Best Engine Degreasers of 2025

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Engine degreasers are an essential part of any car or machinery maintenance routine. These powerful cleaning agents are specifically formulated to tackle tough grease, oil and dirt buildup in engine bays, undercarriages and other hard-to-reach areas. Engine degreasers are available in a variety of formulas, including water-based and solvent-based options, to suit different cleaning needs. They can be used on a range of surfaces, including metal, plastic and rubber, and are generally safe for use on most engines. Whether you're a professional mechanic or a DIY enthusiast, an engine degreaser can help keep your vehicles and equipment running smoothly and looking their best.
At a Glance: Our Top Picks
Top 10 Engine Degreasers
Chemical Guys Signature Series Orange Degreaser
The Chemical Guys Signature Series Orange Degreaser is a professional-strength citrus degreaser that removes the toughest dirt, grime, and grease. It is blended with powerful citrus extracts and hyper surfactants, making it versatile in any situation. The product ships at full strength and is super concentrated, allowing users to tailor their own cleaning solution. It can remove years of grime from engines, wheels, suspension components, and undercarriage parts.
Gunk EB1CA-12PK Engine Degreaser
Gunk EB1CA-12PK Engine Degreaser is the best selling engine degreaser that quickly and easily removes the toughest grease, dirt, and grime. Developed by the people who use them, this heavy-duty cleaning formula is packed with powerful degreasing solvents, making it perfect for hard-working tradesmen and active DIYers. With Gunk Engine Degreaser, you can effortlessly clean your engine without the need for any tools or special equipment. Trust Gunk, the local family-owned company based out of Charlotte, NC, for consistent, superior performance and a commitment to innovation.
GUNK 'Original Engine Brite' Degreaser - 15oz, Pack of 12
GUNK 'Original Engine Brite' is a heavy-duty engine degreaser that effectively removes stubborn grease, dirt, and grime from your equipment without requiring any special tools or equipment. This inexpensive product is developed by a reputable family-owned company with over 75 years of experience in delivering consistent and superior performance through innovative products. Save time and money with GUNK Engine Degreaser.
Berryman Products 1133 B-33 Engine Degreaser
The Berryman Engine Degreaser is a high-performance solution designed to easily penetrate and remove road grime, grease, and oil from your engine. With its powerful detergents and emulsifiers, it effectively cleans the entire engine compartment, including paint, rubber, and plastic surfaces. This engine degreaser is free from phosphates, solvents, VOCs, and abrasives, making it safe for use. It is also VOC compliant in all 50 states, ensuring its environmental friendliness. The Berryman Engine Degreaser is a convenient and efficient solution for keeping your engine clean and maintaining its overall performance.
GROVE Gunk Engine Degreaser Gel Bundle
The GROVE Engine Degreaser Gel is designed for serious cleaning of baked-on grease and oil from high-temperature engines. Its powerful formula tackles tough stains, making it perfect for automotive enthusiasts like you. The gel's unique consistency clings to surfaces, preventing drips and allowing for deep penetration into grime. This means you can achieve a thorough clean without the hassle of runoff. Ideal for hotter engines, this heavy-duty cleaner ensures your engine components not only look great but also perform at their best.
SQ Engine Cleaner and Degreaser, 12 Pack
The SQ Engine Cleaner and Degreaser is a water-free formula that is highly penetrant and removes superficial rust, oil, grease, and soot. It is 50 states compliant, making it an excellent choice for those looking for an environmentally friendly solution for their engine degreasing needs. This product is ideal for keeping engines running smoothly and efficiently, ensuring that they are free from contaminants that could cause damage or impede performance.
Energy Release P019 Citrus Engine Degreaser Plus
Introducing the Energy Release Citrus Degreaser, the ultimate solution for removing grease from a variety of surfaces. Whether you need to clean your engine, stainless steel appliances, or concrete floors, this degreaser has got you covered. With its powerful formula, it effortlessly cuts through grease and grime, leaving your surfaces spotless. The best part? It is safe to use on paint and plastics, so you don't have to worry about any damage. After cleaning, simply rinse with water and the degreaser will completely disappear, leaving no residue behind. And the cherry on top? It doesn't have a petroleum odor, making your cleaning experience pleasant and odor-free. Say goodbye to grease and hello to a sparkling clean with the Energy Release Citrus Degreaser!
SONAX Engine Degreaser and Cleaner-16.9 fl. oz
The SONAX Engine Degreaser and Cleaner is a fast and effective formula that easily removes dirt, grime, oil, grease, and mud off all car engines, machine tools, and parts. Its powerful formula is ideal for handling tough jobs that other degreasers cannot handle. You can safely remove grime on vertical surfaces and other stubborn or hard-to-reach areas, restoring your engine to its OEM factory shine and look.
Ford ZC-20 Engine Shampoo
The Ford Engine Shampoo is designed to effectively remove grease, oil, and road grime from your engine and its compartment. This is especially useful before you paint or repair your engine, ensuring a clean surface for better results. You can also use it to clean various automotive components like transmission housings and hydraulic equipment, making it versatile for your needs. Its fast-dissolving action means you can save time while tackling tough deposits, allowing you to get back to your tasks quickly. With this product, you can maintain a cleaner and more efficient engine environment.
Griot's Garage Engine Cleaner Gallon
The Griot's Garage Engine Cleaner is an effective engine degreaser that makes cleaning your car engine effortless. The spray-on formula easily removes grease, dirt, and grime, and the easy-to-follow application process allows you to agitate the area with a brush and wipe clean. It loosens and breaks up grease and gunk, leaving your engine parts primed for further cleaning and dressing.
Frequently Asked Questions (FAQs)
1. Is engine degreaser worth it?
Yes, using an engine degreaser is worth it as it not only gives your engine a shiny appearance but also helps improve its performance. By removing road grime and dirt from the exterior of your engine, you reduce the chance of debris entering your filter, which can impact the engine's efficiency.
2. How long can I leave engine degreaser on?
It is recommended to let the engine degreaser soak for 10-15 minutes before rinsing. If you have heavy greasy buildup, you may need to agitate the degreaser with a brush before rinsing to ensure effective cleaning.
3. Do you need to rinse off engine degreaser?
Yes, after applying the engine degreaser and allowing it to soak, you should rinse it off. Use a low-pressure spray, such as a standard garden hose or a pressure washer on the lowest setting. Start from the back and work towards the front, thoroughly rinsing all surfaces and removing all traces of the degreaser. Be careful to avoid spraying electrical components as much as possible.
During our engine degreaser research, we found 24 engine degreaser products and shortlisted 10 quality products. We collected and analyzed 41,316 customer reviews through our big data system to write the engine degreasers list. We found that most customers choose engine degreasers with an average price of $14.97.
The engine degreasers are available for purchase. We have researched hundreds of brands and picked the top brands of engine degreasers, including Chemical Guys, Gunk, Berryman Products, GROVE, SQ. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

David Davis has rich experience as a mechanic and a general repairman in the automotive industry. It has given him plenty of knowledge in automobile repair, auto parts, and all kinds of tools. In his spare time, he enjoys assembling and disassembling parts for cars.
Engine Degreasers Comparison Table
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Brand | Chemical Guys | Gunk | Gunk | Berryman Products | GROVE | SQ | Energy Release | SONAX | Ford | Griot's Garage |
Item Form | Liquid | Gel | Aerosol | Spray | Gel | Spray | Liquid | Liquid | Liquid | Spray |
Specific Uses For Product | Multipurpose Degreaser | Engine | Engine | Car | Engine | Engine | Engine | Engine | Engine | Engine |
Item Volume | - | 15 Fluid Ounces | 15 Fluid Ounces | 18.4 Fluid Ounces | - | 411 Fluid Ounces | - | - | 15 Fluid Ounces | 1 Gallons |
Material Feature | Concentrated | - | - | Eco-Friendly | Gunk Engine Degreaser Gel Bundle - Engine Cleaner for Removing Grease & Oil - Gunk Engine Cleaner & Degreaser - Heavy Duty Engine Degreaser - Engine Cleaner - Automotive Grease Cleaner - 15 oz | - | Biodegradable | Spray | - | - |
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