top automotive degreasers 2024
AIThis post was created with the assistance of artificial intelligence (AI).

When it comes to cleaning automotive parts and engines, choosing the right degreaser is essential for safe and effective results. The Simple Green Industrial Cleaner and Degreaser stands out as the best overall for versatile use and eco-friendliness. For heavy-duty tasks, the Chemical Guys Signature Series Orange Heavy Duty Degreaser offers powerful cleaning power, while the Oil Eater Original provides excellent value for frequent, large-scale use. Each product varies in strength, ease of use, and environmental impact, making the decision more nuanced. Continue reading to see how these options compare and find the best fit for your cleaning needs.

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14
compared
8
brands
Which automotive degreaser should you buy?
★ Top Pick
Simple Green Industrial Cleane
Best Overall Industrial Degreaser
Effective at removing heavy dirt and grease
See on Amazon →
Auto enthusiasts, detailers, or hobbyists needing a portable, effective degreaser for engine bays and wheels
Chemical Guys Signature Series
Powerful cleaning performance on tough grease
View on Amazon →
Professional detailers, fleet maintenance, or automotive shops requiring large quantities of heavy-duty degreaser
Chemical Guys Signature Series
Powerful degreasing for tough grime
View on Amazon →
Industrial or commercial operators needing high-volume, heavy-duty degreasing with maximum effectiveness
Simple Green Pro HD Heavy Duty
Highly effective at removing grease and grime
View on Amazon →
Large auto shops, industrial cleaning services, or fleet maintenance requiring bulk quantities of degreaser
Zep Industrial Purple Cleaner
High yield from a small volume of concentrate
View on Amazon →
Pros & cons at a glance
Simple Green Industrial Cleane
✓ Effective at removing heavy dirt and grease
✗ May require dilution for specific tasks
Chemical Guys Signature Series
✓ Powerful cleaning performance on tough grease
✗ May leave residue if not rinsed properly
Chemical Guys Signature Series
✓ Powerful degreasing for tough grime
✗ Potentially harsh if not diluted properly
Simple Green Pro HD Heavy Duty
✓ Highly effective at removing grease and grime
✗ Strong chemical smell requiring good ventilation
Zep Industrial Purple Cleaner
✓ High yield from a small volume of concentrate
✗ No scent, which might be less appealing
3D Orange Degreaser
✓ Powerful citrus formula that cuts grease on contact
✗ May require multiple applications for heavy grime
Zep Cherry Bomb Auto+ Degrease
✓ Effectively dissolves heavy grease and grime
✗ Requires rinsing to remove scent or residue
MiracleMist Engine & General D
✓ Highly effective at removing heavy grease and grime
✗ Size may be small for extensive cleaning jobs
Oil Eater Original 1 Gallon Cl
✓ Dissolves heavy grease, oil, and stains efficiently
✗ Requires dilution for some applications, adding complexity
CRC Pro Series Heavy Duty Part
✓ Effective at removing grease and grime from parts
✗ Limited volume for large cleaning jobs
Zep Cherry Bomb Auto+ Degrease
✓ Effective at removing heavy grease and grime quickly
✗ May require rinsing for certain surfaces
Purple Power 4319PS Industrial
✓ Effective at removing tough grease and dirt quickly
✗ Not recommended for exterior car surfaces, glass, or painted areas
CRC Heavy Duty Pro-Strength De
✓ Effective at removing grease and grime safely on plastics and painted surfaces
✗ May require multiple applications for heavy buildup
3D Grand Blast Engine Degrease
✓ Powerful degreasing performance on engines and wheels
✗ May require thorough rinsing to prevent residue

Complete the kit

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Key Takeaways

  • Top picks balance cleaning power with ease of use and environmental safety.
  • Heavy-duty options excel at grease and oil but may require more safety precautions.
  • Concentrates offer better value but need proper dilution and handling.
  • Eco-friendly formulas are available but sometimes trade off a bit of strength.
  • Size and packaging matter depending on the scope of cleaning projects.
2
Chemical Guys Signature Series
Best for Light to Heavy Duty Automotive Cleaning
1
Simple Green Industrial Cleane
Best Overall Industrial Degreaser
3
Chemical Guys Signature Series
Best Professional-Grade Heavy Duty Degreaser

Our Top Automotive Degreaser Picks

Simple Green Industrial Cleaner and DegreaserSimple Green Industrial Cleaner and DegreaserBest Overall Industrial DegreaserRecognition: U.S. EPA’s Safer Choice ProgramApplication: Manual and professional cleaning equipmentSuitable surfaces: Counters, carpet, floors, machines, equipment, vehiclesVIEW ON AMAZONSee Our Full Breakdown
Chemical Guys Signature Series Orange Degreaser Spray, Heavy Duty, 16 ozChemical Guys Signature Series Orange Degreaser Spray, Heavy Duty, 16 ozBest for Light to Heavy Duty Automotive CleaningSize: 16 ozType: Heavy Duty DegreaserScent: Orange citrusVIEW ON AMAZONSee Our Full Breakdown
Chemical Guys Signature Series Orange Heavy Duty Degreaser Spray, 1 GallonChemical Guys Signature Series Orange Heavy Duty Degreaser Spray, 1 GallonBest Professional-Grade Heavy Duty DegreaserVolume: 1 GallonType: Heavy Duty DegreaserApplication: Engine bay, wheels, tires, undercarriages, tools, equipmentVIEW ON AMAZONSee Our Full Breakdown
Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon BottleSimple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon BottleBest for Heavy-Duty Industrial and Commercial UseItem Form: LiquidScent: Odor-FreeSpecific Uses: Automotive Exterior, Carpet, Engine, Floor, Industrial MachineryVIEW ON AMAZONSee Our Full Breakdown
Zep Industrial Purple Cleaner and Degreaser Concentrate – 5 GallonZep Industrial Purple Cleaner and Degreaser Concentrate - 5 GallonBest Heavy-Duty Industrial Concentrate for Large-Scale CleaningItem Form: LiquidScent: UnscentedSpecific Uses: Engine, FloorsVIEW ON AMAZONSee Our Full Breakdown
3D Orange Degreaser – Citrus-Based Car Cleaner for Oil, Grease, Grime & Adhesives – Water-Based, Non-Corrosive, Eco-Friendly, Interior & Exterior Use – 16 Fl oz3D Orange Degreaser – Citrus-Based Car Cleaner for Oil, Grease, Grime & Adhesives – Water-Based, Non-Corrosive, Eco-Friendly, Interior & Exterior Use - 16 Fl ozBest for Safe, Multi-Surface Automotive CleaningItem Form: LiquidScent: OrangeSpecific Uses For Product: Car SurfaceVIEW ON AMAZONSee Our Full Breakdown
Zep Cherry Bomb Auto+ Degreaser & Cleaner – 32 oz.Zep Cherry Bomb Auto+ Degreaser & Cleaner - 32 oz.Best for Heavy-Duty Automotive and Household UseVolume: 32 oz.Application: Auto, Marine, RV, HomeFormulation: Biodegradable, phosphate-freeVIEW ON AMAZONSee Our Full Breakdown
MiracleMist Engine & General Degreaser, Heavy-Duty Cleaner, 32 oz, 2-packMiracleMist Engine & General Degreaser, Heavy-Duty Cleaner, 32 oz, 2-packBest for Heavy-Duty Engine and Workshop CleaningSize: 32 ozPack Size: 2-packFormulation: Bleach-FreeVIEW ON AMAZONSee Our Full Breakdown
Oil Eater Original 1 Gallon Cleaner, Degreaser – Dissolves Grease, Oil, and Heavy-Duty StainsOil Eater Original 1 Gallon Cleaner, Degreaser - Dissolves Grease, Oil, and Heavy-Duty StainsBest for Commercial-Grade Heavy-Duty CleaningVolume: 1 GallonFormulation: BiodegradableApproved Uses: Food Service FacilitiesVIEW ON AMAZONSee Our Full Breakdown
CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray – 18 ozCRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray - 18 ozBest for Precise, Heavy-Duty Parts CleaningVolume: 18 ozVIEW ON AMAZONSee Our Full Breakdown
Zep Cherry Bomb Auto+ Degreaser & Cleaner – 1 GallonZep Cherry Bomb Auto+ Degreaser & Cleaner - 1 GallonBest Overall for Versatility and FragranceVolume: 1 GallonSuitable for: Auto, Marine, RV, HomeApplication: Degreasing and cleaningVIEW ON AMAZONSee Our Full Breakdown
Purple Power 4319PS Industrial Strength Cleaner and Degreaser – 40 oz.Purple Power 4319PS Industrial Strength Cleaner and Degreaser - 40 oz.Best for Heavy-Duty Industrial CleaningItem Form: SprayScent: LavenderSpecific Uses: Multi surface cleanerVIEW ON AMAZONSee Our Full Breakdown
CRC Heavy Duty Pro-Strength Degreaser Spray – All-Purpose – 20 ozCRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 ozBest for Safe, Odorless Multi-Purpose CleaningItem Form: SprayScent: UnscentedSpecific Uses: All Purpose, Automotive Interior, PlasticVIEW ON AMAZONSee Our Full Breakdown
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – 1 Gallon3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – 1 GallonBest Heavy-Duty for Engines and Underhood CleaningVolume: 1 GallonType: Heavy Duty DegreaserBiodegradable: YesVIEW ON AMAZONSee Our Full Breakdown

More Details on Our Top Picks

  1. Simple Green Industrial Cleaner and Degreaser

    Simple Green Industrial Cleaner and Degreaser

    Best Overall Industrial Degreaser

    View on Amazon

    This product stands out for its versatility and EPA Safer Choice recognition, making it suitable for a wide range of surfaces like machinery, floors, and vehicles. Compared with the Simple Green Pro HD, it offers a more flexible dilution ratio, which is ideal for varied workloads. However, its potentially strong chemical smell and the need for dilution in some tasks are tradeoffs that users should consider. Its effectiveness on heavy dirt and grease, combined with its safety credentials, makes it a reliable choice for industrial and commercial cleaning.

    Pros:
    • Effective at removing heavy dirt and grease
    • Recognized by EPA for safety, adding peace of mind
    • Versatile for multiple surfaces and cleaning methods
    • Cost-effective concentrated formula
    Cons:
    • May require dilution for specific tasks
    • Potentially strong chemical smell
    • Limited information on environmental impact beyond EPA recognition

    Best for: Industrial facilities, commercial cleaners, or anyone needing a versatile, heavy-duty cleaner that is also environmentally safer

    Not ideal for: Home users with delicate surfaces or those sensitive to chemical odors, since it may require significant dilution and has a strong smell

    • Recognition:U.S. EPA’s Safer Choice Program
    • Application:Manual and professional cleaning equipment
    • Suitable surfaces:Counters, carpet, floors, machines, equipment, vehicles
    Our verdict
    “This pick makes the most sense for industrial or professional environments needing a safe, versatile degreaser with heavy-duty capabilities.”
  2. Chemical Guys Signature Series Orange Degreaser Spray, Heavy Duty, 16 oz

    Chemical Guys Signature Series Orange Degreaser Spray, Heavy Duty, 16 oz

    Best for Light to Heavy Duty Automotive Cleaning

    View on Amazon

    This 16 oz spray excels at tackling tough grease and grime on automotive parts like engines and wheels, making it ideal for car enthusiasts and detailers. Its citrus scent adds a refreshing touch to heavy-duty cleaning, unlike some industrial options like Zep Purple Cleaner. While powerful, it requires thorough rinsing to prevent residue, and its concentrated formula demands careful dilution for light cleaning tasks. It’s best suited for users who want a portable, effective degreaser that enhances the cleaning experience with a pleasant scent.

    Pros:
    • Powerful cleaning performance on tough grease
    • Versatile for engines, wheels, and tools
    • Infused with a pleasant citrus scent
    • Can be diluted or used full strength
    Cons:
    • May leave residue if not rinsed properly
    • Limited volume makes it less cost-effective for large-scale jobs

    Best for: Auto enthusiasts, detailers, or hobbyists needing a portable, effective degreaser for engine bays and wheels

    Not ideal for: Users seeking a large-volume or industrial-grade solution, as this is limited to smaller jobs and higher cost per volume

    • Size:16 oz
    • Type:Heavy Duty Degreaser
    • Scent:Orange citrus
    Our verdict
    “This spray is ideal for users who want a portable, citrus-scented degreaser for automotive and light industrial use.”
  3. Chemical Guys Signature Series Orange Heavy Duty Degreaser Spray, 1 Gallon

    Chemical Guys Signature Series Orange Heavy Duty Degreaser Spray, 1 Gallon

    Best Professional-Grade Heavy Duty Degreaser

    View on Amazon

    This gallon-sized option offers the same powerful cleaning capabilities as the 16 oz version but for larger, more demanding jobs. It’s particularly suited for professional detailers or workshops needing high-volume degreasing on engines, tires, and undercarriages. Compared with Zep Purple Cleaner, it provides a trusted, professional formulation that can be diluted for lighter tasks. However, its potential harshness if not diluted properly, and the limited household application, make it less suitable for casual users. Its high concentration makes it a staple for serious automotive cleaning.

    Pros:
    • Powerful degreasing for tough grime
    • Versatile on multiple automotive surfaces
    • Dilutable for various cleaning intensities
    • Trusted by professionals
    Cons:
    • Potentially harsh if not diluted properly
    • Limited to automotive and workshop use

    Best for: Professional detailers, fleet maintenance, or automotive shops requiring large quantities of heavy-duty degreaser

    Not ideal for: Home users or DIYers with small-scale needs, given its industrial strength and volume

    • Volume:1 Gallon
    • Type:Heavy Duty Degreaser
    • Application:Engine bay, wheels, tires, undercarriages, tools, equipment
    Our verdict
    “This gallon-sized degreaser makes the most sense for professional environments needing large-volume, heavy-duty cleaning power.”
  4. Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle

    Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle

    Best for Heavy-Duty Industrial and Commercial Use

    View on Amazon

    This concentrated cleaner is designed for high-capacity cleaning tasks, making it suitable for industrial or commercial environments like auto repair shops and factories. Its effectiveness on grease, grime, and stains surpasses many household degreasers, including Oil Eater. However, its strong chemical smell and need for dilution can be drawbacks for users seeking a more user-friendly option. It’s best for those who prioritize power and volume over scent or ease of use, especially for large-scale cleaning jobs.

    Pros:
    • Highly effective at removing grease and grime
    • Suitable for multiple surfaces and large-scale applications
    • Concentrated formula offers excellent value
    • Biodegradable and odor-free in formulation
    Cons:
    • Strong chemical smell requiring good ventilation
    • Requires proper dilution for safe use

    Best for: Industrial or commercial operators needing high-volume, heavy-duty degreasing with maximum effectiveness

    Not ideal for: Home users or those sensitive to chemical odors, due to its strong smell and industrial focus

    • Item Form:Liquid
    • Scent:Odor-Free
    • Specific Uses:Automotive Exterior, Carpet, Engine, Floor, Industrial Machinery
    Our verdict
    “This concentrate is best suited for industrial or commercial environments demanding powerful degreasing at large volume.”
  5. Zep Industrial Purple Cleaner and Degreaser Concentrate – 5 Gallon

    Zep Industrial Purple Cleaner and Degreaser Concentrate - 5 Gallon

    Best Heavy-Duty Industrial Concentrate for Large-Scale Cleaning

    View on Amazon

    This industrial purple concentrate offers an exceptional yield, capable of producing up to 128 gallons of cleaning solution from just 5 gallons of concentrate. It’s an economical choice for large facilities or auto shops that need scalable, effective degreasing. Its unscented, industrial-grade formulation provides robust cleaning power comparable to Simple Green Industrial Cleaner, but the lack of scent might not appeal to all users. Its overkill for small jobs makes it best suited for large-scale operations where volume and cost savings matter most.

    Pros:
    • High yield from a small volume of concentrate
    • Effective on heavy grease and grime
    • Easy to rinse and use
    • Cost-efficient for large-scale use
    Cons:
    • No scent, which might be less appealing
    • Designed for industrial use, not small-scale applications

    Best for: Large auto shops, industrial cleaning services, or fleet maintenance requiring bulk quantities of degreaser

    Not ideal for: Small garages or DIY users with limited cleaning needs, as it may be excessive and less convenient to handle

    • Item Form:Liquid
    • Scent:Unscented
    • Specific Uses:Engine, Floors
    • Materials & Care:Concentrated
    Our verdict
    “This concentrate is perfect for large-scale operations needing maximum volume and cost efficiency for tough cleaning jobs.”
  6. 3D Orange Degreaser – Citrus-Based Car Cleaner for Oil, Grease, Grime & Adhesives – Water-Based, Non-Corrosive, Eco-Friendly, Interior & Exterior Use – 16 Fl oz

    3D Orange Degreaser – Citrus-Based Car Cleaner for Oil, Grease, Grime & Adhesives – Water-Based, Non-Corrosive, Eco-Friendly, Interior & Exterior Use - 16 Fl oz

    Best for Safe, Multi-Surface Automotive Cleaning

    View on Amazon

    This citrus-based 3D Orange Degreaser stands out for its ability to cut through oil, grease, and grime quickly while being gentle on sensitive surfaces. Compared with heavy-duty options like the MiracleMist Engine & General Degreaser, it offers a more user-friendly approach for regular car maintenance without harsh chemicals. Its non-corrosive, water-based formula ensures it won’t damage paint, plastics, or vinyl, making it ideal for interior and exterior use. However, for stubborn buildup, multiple applications may be necessary, which could be less efficient. Its limited scent options and focus on automotive surfaces might leave some users wishing for more versatility outside car care. This pick makes the most sense for car owners seeking a safe, eco-friendly cleaner that won’t compromise delicate materials.

    Pros:
    • Powerful citrus formula that cuts grease on contact
    • Safe for a variety of car surfaces, including plastic and vinyl
    • Residue-free finish for a spotless look
    • Non-corrosive and environmentally friendly
    Cons:
    • May require multiple applications for heavy grime
    • Limited to automotive and related surfaces, less versatile for household use

    Best for: DIY car enthusiasts who want a safe, eco-friendly degreaser suitable for multiple car surfaces

    Not ideal for: Professional mechanics needing heavy-duty, fast-acting degreasers for engine bays or industrial parts

    • Item Form:Liquid
    • Scent:Orange
    • Specific Uses For Product:Car Surface
    • Recommendation:Plastic
    Our verdict
    “This is the best choice for car owners seeking a gentle, multi-surface degreaser that’s eco-conscious and safe for sensitive materials.”
  7. Zep Cherry Bomb Auto+ Degreaser & Cleaner – 32 oz.

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - 32 oz.

    Best for Heavy-Duty Automotive and Household Use

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    The Zep Cherry Bomb Auto+ Degreaser excels at removing stubborn grease, oil, and grime quickly, making it ideal for intense cleaning tasks. Unlike the citrus-based 3D Orange Degreaser, it’s formulated to tackle tough residues on a variety of surfaces including automotive, marine, and household items. Its biodegradable and phosphate-free formulation offers an environmentally conscious choice, but the strong cherry scent might not appeal to everyone, especially in enclosed spaces. Rinsing thoroughly is often necessary to prevent residue buildup, which could be inconvenient for quick cleanups. This product suits users who need a robust, versatile cleaner that performs under heavy-duty conditions and don’t mind the scent.

    Pros:
    • Effectively dissolves heavy grease and grime
    • Suitable for multiple surfaces including fiberglass and steel
    • Biodegradable and environmentally friendly
    • Leaves a fresh cherry scent and neutralizes odors
    Cons:
    • Requires rinsing to remove scent or residue
    • Strong fragrance might be overwhelming for some users

    Best for: Auto detailers or homeowners needing a powerful cleaner for engines, boats, or heavily soiled surfaces

    Not ideal for: Users seeking a scent-free or very mild degreaser for regular light cleaning

    • Volume:32 oz.
    • Application:Auto, Marine, RV, Home
    • Formulation:Biodegradable, phosphate-free
    Our verdict
    “This is the go-to for those needing a powerful, multi-surface degreaser with a pleasant scent, despite requiring additional rinsing.”
  8. MiracleMist Engine & General Degreaser, Heavy-Duty Cleaner, 32 oz, 2-pack

    MiracleMist Engine & General Degreaser, Heavy-Duty Cleaner, 32 oz, 2-pack

    Best for Heavy-Duty Engine and Workshop Cleaning

    View on Amazon

    The MiracleMist Engine & General Degreaser is designed for demanding cleaning tasks, such as engines and machinery, with a bleach-free, heavy-duty formulation. Unlike milder options like 3D Orange Degreaser, it’s formulated to loosen thick grease and oil quickly, making it suitable for automotive engines and industrial equipment. Its 2-pack offers convenience for frequent use or multiple projects. The size may be limiting for large-scale jobs, and while safe for many metals, prolonged exposure or improper use could pose risks. This product is best suited for professionals or serious DIYers who need a robust solution for stubborn grime.

    Pros:
    • Highly effective at removing heavy grease and grime
    • Bleach-free and safe for routine use
    • Two-pack offers extended supply for multiple projects
    • Suitable for engines, tools, and machinery
    Cons:
    • Size may be small for extensive cleaning jobs
    • Potential fumes require good ventilation

    Best for: Automotive technicians or workshop owners needing a powerful cleaner for engines and industrial parts

    Not ideal for: Casual car owners or those cleaning delicate interior surfaces who require a milder product

    • Size:32 oz
    • Pack Size:2-pack
    • Formulation:Bleach-Free
    • Suitable For:Engines, tools, machinery
    Our verdict
    “This is the best option for professionals or heavy-duty users who need a robust, bleach-free degreaser for engines and industrial parts.”
  9. Oil Eater Original 1 Gallon Cleaner, Degreaser – Dissolves Grease, Oil, and Heavy-Duty Stains

    Oil Eater Original 1 Gallon Cleaner, Degreaser - Dissolves Grease, Oil, and Heavy-Duty Stains

    Best for Commercial-Grade Heavy-Duty Cleaning

    View on Amazon

    Oil Eater Original offers professional-strength cleaning power suitable for both household and commercial use. Its biodegradable formula effectively dissolves heavy grease, oil, and stains on floors, walls, and automotive parts, making it more versatile than many automotive-specific degreasers like Zep Cherry Bomb. While its larger 1-gallon size provides good value, it may require dilution for certain applications, which could complicate use for some users. Its strong odor demands good ventilation, but its proven cleaning efficacy makes it a top choice for those handling demanding cleaning tasks in food service or industrial settings.

    Pros:
    • Dissolves heavy grease, oil, and stains efficiently
    • Biodegradable and environmentally friendly
    • Versatile for multiple surfaces including floors and walls
    • Large gallon size offers value for frequent use
    Cons:
    • Requires dilution for some applications, adding complexity
    • Strong odor may be unpleasant without proper ventilation

    Best for: Commercial facilities or serious DIY users needing a powerful, environmentally friendly degreaser for heavy-duty tasks

    Not ideal for: Casual users or those seeking a quick, no-mix solution for light automotive cleaning

    • Volume:1 Gallon
    • Formulation:Biodegradable
    • Approved Uses:Food Service Facilities
    Our verdict
    “This is the best heavy-duty degreaser for commercial or serious DIY users who need a powerful, eco-conscious solution.”
  10. CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray – 18 oz

    CRC Pro Series Heavy Duty Parts Cleaner and Degreaser Spray - 18 oz

    Best for Precise, Heavy-Duty Parts Cleaning

    View on Amazon

    The CRC Pro Series Heavy Duty Parts Cleaner spray delivers targeted, powerful cleaning for automotive and industrial parts. Its 18 oz. spray format allows for precise application, making it ideal for cleaning tight spaces or specific components. Unlike larger, bulk products like Oil Eater, this spray is designed for quick, spot cleaning, but its small size limits its use for extensive jobs. It can effectively remove grease and grime from engine parts or machinery, but fumes and potential skin or eye irritation mean careful handling is necessary. This product suits mechanics or maintenance professionals who need a reliable, precise degreaser for parts cleaning.

    Pros:
    • Effective at removing grease and grime from parts
    • Spray application provides precise targeting
    • Suitable for heavy-duty cleaning in automotive or industrial settings
    • Compact size for easy storage
    Cons:
    • Limited volume for large cleaning jobs
    • Potential chemical fumes require ventilation
    • Risk of skin or eye irritation if used improperly

    Best for: Automotive technicians or industrial maintenance workers needing spot-cleaning for parts and components

    Not ideal for: Home users or those seeking bulk cleaning solutions for large surfaces

    • Volume:18 oz
    Our verdict
    “This spray is ideal for professionals requiring precise, heavy-duty cleaning of automotive or industrial parts, with the tradeoff of small size and chemical handling precautions.”
  11. Zep Cherry Bomb Auto+ Degreaser & Cleaner – 1 Gallon

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - 1 Gallon

    Best Overall for Versatility and Fragrance

    View on Amazon

    This option stands out for its ability to tackle heavy grease and grime across multiple surfaces, including metal, fiberglass, and concrete, making it a versatile choice for automotive, marine, RV, and household cleaning. Compared with the 3D Grand Blast, which focuses on heavy-duty engine cleaning, Cherry Bomb offers a more balanced approach suitable for both industrial and domestic settings. Its cherry scent not only neutralizes odors but also leaves a pleasant aroma, though this scent might be overpowering for some users. A key tradeoff is that for stubborn grime, it may require extra rinsing, especially on delicate surfaces. This pick makes the most sense for users who want a multi-purpose degreaser with a pleasant finish, willing to rinse thoroughly.

    Pros:
    • Effective at removing heavy grease and grime quickly
    • Versatile for use on multiple surfaces including metal, fiberglass, and concrete
    • Leaves a pleasant cherry fragrance
    Cons:
    • May require rinsing for certain surfaces
    • Strong scent might not be preferred by all users

    Best for: DIYers and professionals needing a versatile cleaner that leaves a fresh scent

    Not ideal for: Users seeking a scent-free or highly gentle product for delicate surfaces

    • Volume:1 Gallon
    • Suitable for:Auto, Marine, RV, Home
    • Application:Degreasing and cleaning
    Our verdict
    “Ideal for those wanting a multi-surface degreaser with a fresh scent, though it needs thorough rinsing on sensitive surfaces.”
  12. Purple Power 4319PS Industrial Strength Cleaner and Degreaser – 40 oz.

    Purple Power 4319PS Industrial Strength Cleaner and Degreaser - 40 oz.

    Best for Heavy-Duty Industrial Cleaning

    View on Amazon

    This product is designed for tackling tough grease and dirt with industrial strength, making it a powerful choice for auto shops, farms, and heavy-duty cleaning tasks. Compared to the CRC Heavy Duty Pro-Strength Degreaser, Purple Power offers a concentrated formula that is highly effective but also more chemically potent, requiring careful testing on delicate or painted surfaces. Its biodegradable nature makes it more environmentally friendly than some harsh degreasers, but it’s not recommended for exterior car surfaces or glass, which limits its automotive use. The strong chemicals involved mean protective gear is a must. It suits buyers who need serious cleaning power without abrasive ingredients, but those with delicate surfaces should skip it.

    Pros:
    • Effective at removing tough grease and dirt quickly
    • Biodegradable and environmentally friendly
    • Suitable for multiple surfaces including auto, marine, and home
    Cons:
    • Not recommended for exterior car surfaces, glass, or painted areas
    • Requires testing on delicate surfaces to prevent damage
    • Contains strong chemicals needing protective gear

    Best for: Auto shop professionals and homeowners needing industrial-grade grease removal

    Not ideal for: Casual users seeking a gentle cleaner for painted or glass surfaces

    • Item Form:Spray
    • Scent:Lavender
    • Specific Uses:Multi surface cleaner
    Our verdict
    “Great for heavy-duty cleaning in industrial settings, but unsuitable for delicate or painted automotive surfaces.”
  13. CRC Heavy Duty Pro-Strength Degreaser Spray – All-Purpose – 20 oz

    CRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 oz

    Best for Safe, Odorless Multi-Purpose Cleaning

    View on Amazon

    This water-based, odorless degreaser excels at removing grease, oil, and stains from a variety of surfaces, including automotive interiors and plastics. Compared to the Purple Power, which is more aggressive and chemical-heavy, CRC’s formula offers a safer, fragrance-free alternative suitable for sensitive environments. It’s safe on painted surfaces and plastics, making it ideal for interior automotive cleaning. However, it might require multiple applications for heavy buildup, and the lack of detailed usage guidelines could leave some users uncertain about its coverage. This product is best for users who prioritize safety and odor control while cleaning.

    Pros:
    • Effective at removing grease and grime safely on plastics and painted surfaces
    • Odorless and fragrance-free, suitable for sensitive users
    • Eco-friendly and safe for various surfaces
    Cons:
    • May require multiple applications for heavy buildup
    • Limited info on coverage and specific usage instructions

    Best for: Automotive detailers and DIY enthusiasts focusing on interior cleaning and delicate surfaces

    Not ideal for: Heavy-duty exterior cleaning on engines or heavily soiled parts, where stronger degreasers are needed

    • Item Form:Spray
    • Scent:Unscented
    • Specific Uses:All Purpose, Automotive Interior, Plastic
    Our verdict
    “Perfect for those who need a safe, odorless degreaser for interior and delicate surfaces, but may need multiple applications for tough grime.”
  14. 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – 1 Gallon

    3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – 1 Gallon

    Best Heavy-Duty for Engines and Underhood Cleaning

    View on Amazon

    This heavy-duty, biodegradable degreaser is tailored for engine bays, wheels, and exhausts, providing powerful cleaning without harsh chemicals. Compared with the Cherry Bomb, which is more multi-purpose, Grand Blast emphasizes aggressive performance on engine components while remaining environmentally friendly. Its fast-acting formula ensures quick results but requires thorough rinsing to eliminate residue, which may be a drawback for those seeking a quick, no-rinse solution. Its safe-on-multiple surfaces feature makes it suitable for DIY mechanics and professionals alike. This product fits users who prioritize heavy-duty cleaning with an eco-conscious approach but should be avoided if rinsing is inconvenient.

    Pros:
    • Powerful degreasing performance on engines and wheels
    • Biodegradable and environmentally friendly
    • Fast-acting with no residue or staining
    Cons:
    • May require thorough rinsing to prevent residue
    • Potentially strong smell for sensitive users

    Best for: Mechanics and DIYers cleaning engines, wheels, and undercarriages

    Not ideal for: Casual car owners or those needing a gentle cleaner for painted surfaces

    • Volume:1 Gallon
    • Type:Heavy Duty Degreaser
    • Biodegradable:Yes
    Our verdict
    “Excellent for heavy-duty engine and wheel cleaning with eco-friendly ingredients, though rinsing thoroughly is necessary.”
automotive degreaser
What makes a great automotive degreaser
1
Cleaning Power and Strength
Assess how much grease, oil, or grime you need to remove.
2
Ease of Use and Application
Consider how you will apply the degreaser.
3
Surface Compatibility
Not all degreasers are safe on all materials.
4
Environmental and Safety Considerations
Eco-conscious buyers should look for biodegradable and non-toxic options.
How to choose your automotive degreaser
1
How we picked
The products in this roundup were selected based on their performance, versatility, and user safety.
2
Cleaning Power and Strength
Assess how much grease, oil, or grime you need to remove.
3
Ease of Use and Application
Consider how you will apply the degreaser.
4
Surface Compatibility
Not all degreasers are safe on all materials.
5
Environmental and Safety Considerations
Eco-conscious buyers should look for biodegradable and non-toxic options.
Vetted automotive degreaser ·
The best automotive degreaser, compared
★ Winner Simple Green Industrial Cleane
Best Overall Industrial Degreaser
14compared

How We Picked

The products in this roundup were selected based on their performance, versatility, and user safety. We evaluated cleaning strength through industry-standard testing of grease and oil removal, considering how well they work on different surfaces. Ease of use was assessed by sprayability, dilution requirements, and safety precautions. Build quality and environmental impact also played roles, especially for buyers seeking eco-friendly options. Finally, value was considered by comparing cost per use and concentration, ensuring each pick offers a meaningful advantage for its intended application.
Everyday → specialist
Everyday & valuePremium & specialist
Which automotive degreaser fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Automotive Degreaser

Choosing the right automotive degreaser involves understanding several key factors. Not all degreasers are suitable for every task or surface, so considering your specific needs will help narrow down the options. Some formulas excel at heavy-duty cleaning but may be harsh or require protective gear, while others focus on being safe for the environment and user. By understanding these tradeoffs, you can select a product that balances power, safety, and cost-effectiveness.

Cleaning Power and Strength

Assess how much grease, oil, or grime you need to remove. Heavy-duty degreasers are formulated for stubborn stains and industrial use, but they might be overkill for regular maintenance. For light cleaning, a milder formula may suffice and reduce potential surface damage. Matching the degreaser’s strength to your task can save time and protect your vehicle’s surfaces.

Ease of Use and Application

Consider how you will apply the degreaser. Spray bottles are convenient for spot cleaning, while concentrates require dilution and more handling. Some products come with quick-acting formulas that need minimal scrubbing, whereas others might need longer dwell times. Ease of use can significantly influence your overall satisfaction and efficiency.

Surface Compatibility

Not all degreasers are safe on all materials. Some formulas may damage rubber, plastic, or painted surfaces, especially if left on too long. Check for labels indicating surface compatibility, and when in doubt, test on a small area first. Using the wrong product on delicate parts can lead to costly repairs.

Environmental and Safety Considerations

Eco-conscious buyers should look for biodegradable and non-toxic options. However, these formulas sometimes have reduced strength or require more product to achieve the same cleaning results. Safety precautions, such as gloves and ventilation, are also critical, especially for industrial-strength degreasers. Balance environmental impact with cleaning needs based on your priorities.

Cost and Concentration

Since many degreasers come in concentrates, consider how dilution affects value. Larger bottles or gallon-sized containers often provide better per-use cost, but require proper storage and handling. Conversely, ready-to-use formulas are more convenient but usually cost more upfront. Evaluate your typical cleaning workload to choose a size and concentration that offers the best overall value.

Frequently Asked Questions

Is it safe to use automotive degreaser on painted surfaces?

Many degreasers are formulated for engine and mechanical parts, but not all are safe on painted surfaces. Always check the label for surface compatibility and perform a patch test on a small, inconspicuous area first. Mild, biodegradable options tend to be safer for painted and plastic parts, reducing the risk of damage while still providing effective cleaning.

Can I use the same degreaser for interior and exterior cleaning?

It depends on the formula. Some degreasers are designed for heavy-duty exterior use and may be too harsh for interior surfaces or plastics. Look for products specifically labeled as safe for interior applications if you plan to use them inside the vehicle. Always follow manufacturer instructions to avoid damaging sensitive materials.

How do I dilute a concentrate, and how much should I use?

Most concentrates come with recommended dilution ratios, which vary based on the strength needed. Typically, a small amount of concentrate mixed with water will suffice for light cleaning, while more stubborn grease may require a higher concentration. Measuring carefully and following the instructions ensures you get effective results without wasting product or risking surface damage.

Are eco-friendly degreasers as effective as traditional ones?

Eco-friendly degreasers have improved significantly over the years and can be highly effective for routine cleaning tasks. However, for extremely heavy-duty grease or oil, they might require longer dwell times or multiple applications. Balancing environmental concerns with the level of dirt is key, and for tough stains, a more potent traditional formula may be necessary.

What safety precautions should I take when using industrial degreasers?

Always wear protective gloves, goggles, and, if necessary, a respirator when working with heavy-duty degreasers. Ensure adequate ventilation in your workspace to avoid inhaling fumes. Follow the manufacturer’s instructions for dilution and application, and store unused product safely out of reach of children or pets. Proper handling minimizes risks and ensures safe, effective cleaning.

Conclusion

For general maintenance and eco-conscious users, Simple Green Industrial Cleaner and Degreaser offers a balanced mix of power and safety. Heavy-duty users or professionals needing maximum grease removal should consider Chemical Guys Signature Series Orange Heavy Duty Degreaser or Oil Eater Original for their strength and value. Beginners or those with sensitive surfaces might favor milder, biodegradable options like 3D Orange Degreaser. For those seeking premium quality and versatility, investing in concentrated formulas ensures durability and cost savings. Ultimately, the best choice depends on your specific cleaning needs, frequency, and safety priorities.

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