14 Best Auto Engine Degreasers for a Clean Start

Discover the best auto engine degreaser that transforms your engine's look and performance. Clean with ease and reveal the power beneath.
BrandMy RatingPrice
Gunk
Most Wallet-Friendly
9.4/10
Chemical Guys
Best Heavy-Duty Cleaner
9.2/10
Oil Eater
Best Multi-Surface Use
8.4/10
Malco
Best for Tough Grime
9.0/10
Wd-40 Specialist
9.2/10

Best Auto Engine Degreaser

When it comes to revitalizing your engine and restoring its rugged charm, the right auto engine degreaser is your secret weapon. With a medley of powerful formulas designed to cut through grease and grime, these products can transform your dirty engine into a gleaming masterpiece. Dive into our curated selection to discover the ultimate solutions that make automotive care quick, effective, and surprisingly satisfying.

Most Wallet-Friendly: Gunk Engine Cleaner

GUNK Original Heavy Duty Engine Cleaner & Degreaser (EB1) - 17 oz. (Case of 12) - Super Clean Automotive Spray for Car Engines - Engine Degreaser - Super Clean Degreaser
Highlights
Powerful cleaning performance
Cost-effective solution
User-friendly application

Introducing GUNK Original Heavy Duty Engine Cleaner & Degreaser, our pick for the Most Wallet-Friendly option!

This powerhouse is engineered to obliterate stubborn grime on your engine, making even the dirtiest engines look showroom-ready.

With just a simple spray, let it sit, and rinse, you’ll experience a deep clean that’s hard to beat.

While the narrow spray application requires some patience and you might need a couple of applications to tackle the toughest jobs, the impressive cleaning power and cost-effectiveness make GUNK a standout.

Just keep in mind, the strong chemical scent can be a bit overwhelming.

Trust us, your engine will thank you!

Be sure to also check out the best auto paint primer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Gunk Engine Cleaner on Amazon

Best Heavy-Duty Cleaner: Chemical Guys Degreaser

Chemical Guys Signature Series Orange Degreaser, Heavy-duty All-purpose Cleaner For Engines, Tires, Undercarriages & More, Professional Strength Formula, Breaks Down Grease, Oil & Grime - 128 fl oz
Highlights
Heavy-duty degreaser
Works on multiple surfaces
Professional-strength formula

We’re excited to introduce the Chemical Guys Signature Series Orange Degreaser—our top pick for a heavy-duty cleaner!

This powerhouse quickly cuts through grease, grime, and oil, making even the toughest messes vanish.

With its professional-strength formula, it’s perfect for everything from engines to tires.

We love how versatile it is; whether you’re tackling garage spills or industrial cleanups, it has you covered.

The concentrated formula allows for customizable dilution, and it effortlessly restores surfaces to their former glory.

Just spray, scrub, and rinse for impressive results.

Trust us, it’s a must-have for detailers and enthusiasts alike!

Be sure to also check out the best automatic wire striper for more options! Also, here is the price history so you know exactly when to buy!

Price history for Chemical Guys Degreaser on Amazon

Best Multi-Surface Use: Oil Eater

Oil Eater Original 1 Gallon Cleaner, Degreaser - Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength
Highlights
Powerful cleaning performance
Biodegradable formula
Versatile for many surfaces

When it comes to tackling grease and grime, we’ve found a standout in the Oil Eater Original Cleaner.

This powerhouse is our choice for Best Multi-Surface Use because it effortlessly cuts through dirt on everything from automotive wheels to patios.

Its ultra-concentrated formula means a little goes a long way, making it not only effective but also cost-efficient.

Plus, the biodegradable formula gives us peace of mind, as it’s free from harsh solvents.

Just remember to dilute as instructed—it's worth it for a cleaner that’s as versatile as it is powerful!

Be sure to also check out the best aluminum engine cleaner for more options! Also, here is the price history so you know exactly when to buy!

Price history for Oil Eater on Amazon

Best for Tough Grime: Malco Red Thunder

Malco Red Thunder - Automotive Cleaner and Degreaser - Breaks Down Grease & Grime on Engines, Wheels and Tires/Biodegradable, Heavy Duty and Multi-Purpose / 1 Gallon (102301)
Highlights
Versatile for multiple surfaces
Deep cleaning capability
Environmental friendly formula

When it comes to tackling tough grime, we found that Malco Red Thunder truly lives up to its reputation as the best for tough cleaning tasks.

This powerhouse cuts through dirt on engines, tires, and wheels in just minutes—perfect for those time-crunched cleaning sessions!

Its highly concentrated formula rinses away with ease, leaving no unsightly residue behind.

Plus, it's eco-friendly and safe for various surfaces, which is a win in our book!

Just keep in mind that it works best with a bit of scrubbing and may need dilution for certain uses.

Say goodbye to stubborn dirt with Malco!

Be sure to also check out the best engine shine spray for more options! Also, here is the price history so you know exactly when to buy!

Price history for Malco Red Thunder on Amazon

WD-40 Specialist

WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ
Highlights
Powerful degreaser
Easy to use
Pleasant smell

When it comes to tackling stubborn grime, the WD-40 Specialist Machine & Engine Degreaser Foaming Spray reigns supreme.

We love its powerful formula that effortlessly eradicates oil, dirt, and grease from engines and machinery alike.

The low-residue, water-based composition truly penetrates hard-to-reach crevices for a satisfying clean.

The nozzle's impressive spray range of up to 5 feet makes application a breeze, and the included straw allows for precision spraying where you need it most.

While it may dry slowly and can overspray occasionally, the pleasant scent and effectiveness in independent tests make this degreaser a top contender in any auto enthusiast's arsenal.

Be sure to also check out the best detailing steamer for more options! Also, here is the price history so you know exactly when to buy!

Price history for WD-40 Specialist on Amazon

3D Grand Blast

3D Grand Blast Heavy Duty Degreaser - All Purpose Cleaner Safe & Effective for Cars, Engines, Floors, Home Use - Rapidly Cleans Grease & Grime Build Up 1 Gallon
Highlights
Powerful cleaning performance
Versatile for multiple surfaces
Fast acting and efficient

When it comes to tackling stubborn grease and grime, 3D Grand Blast truly delivers!

This commercial grade degreaser is a powerhouse for cleaning engines, tools, and even floors—talk about versatility.

We love the biodegradable formula, ensuring it’s safe for both home and commercial use.

One spray, and you'll notice that it cuts through dirt with ease, giving your surfaces a “like new” shine without requiring hours of scrubbing.

Just a heads-up though: it has a strong odor, so make sure to use it in a well-ventilated area.

With over 25 years in the field, you can trust this product to get the job done right!

Be sure to also check out the best limestone cleaner for more options! Also, here is the price history so you know exactly when to buy!

Price history for 3D Grand Blast on Amazon

SONAX Engine Cleaner Auto Engine Degreaser

SONAX Engine Cleaner - Engine Degreaser - Easy Engine Cleaner - Engine Cleaner Spray - Engine Bay Cleaner 543200 16.9 fl oz
Highlights
Fast and effective cleaning
Powerful formula
Restores OEM shine

When it comes to tackling tough engine grime, we found the SONAX Engine Degreaser to be a standout choice.

With its powerful formula, it blasts through dirt, grease, and mud like a pro, giving your engine that much-coveted OEM shine.

We especially loved how effortlessly it reached those tricky vertical surfaces, making cleaning a breeze.

However, if you're dealing with thick sludge, you might want to consider a heavier hitter.

Despite its smaller bottle size, this degreaser packs a punch for quick and effective cleanouts.

Trust us, your engine will thank you!

Be sure to also check out the best adhesive magnets for more options! Also, here is the price history so you know exactly when to buy!

Price history for SONAX Engine Cleaner on Amazon

Kraken Bond

KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack
Highlights
Quick and easy application
Strong cleaning power
Environmentally friendly formula

Kraken Engine Cleaner has quickly become our go-to for tackling tough grease and grime around engines.

Its quick and effective application makes cleaning up even the most stubborn areas feel like a breeze.

Just spray it on, grab a microfiber towel, and watch the gunk disappear—it's that simple!

We appreciate its environmentally friendly formula, offering both cleaning power and safety for your engine.

However, be sure to avoid applying it on a hot engine and prepare to mask any surfaces carefully.

With Kraken, our under-hood area shines like never before, making maintenance a little less daunting!

Be sure to also check out the best dielectric grease for more options! Also, here is the price history so you know exactly when to buy!

Price history for Kraken Bond on Amazon

Griot's Garage Engine Cleaner

Griot's Garage 11158 Engine Cleaner Gallon 128 Fl Oz (Pack of 1)
Highlights
Effective grease removal
Easy application process
Made in USA

When it comes to tackling engine gunk, we absolutely love Griot's Garage Engine Degreaser!

This heavy-hitter effectively loosens and breaks up grease like magic, making clean-up a breeze.

The application couldn't be easier; just spray it on, agitate, and wipe clean – simple as that!

Not only does it prep your powerplant for dressing, but it also shines as both a surface and engine cleaner.

While it may not include a spray bottle and has some availability issues, its 4.5-star rating from over 300 reviewers speaks for itself.

If you’re ready to restore your engine's glory, give this product a whirl!

Be sure to also check out the best gutter heaters for more options! Also, here is the price history so you know exactly when to buy!

Price history for Griot's Garage Engine Cleaner on Amazon

Berryman B-33 Degreaser Auto Engine Degreaser

Berryman Products 1133 B-33 Engine Degreaser, 18.4 Ounce, (Single Unit)
Highlights
Effective on tough grime
Safe for various surfaces
Affordable price

We’re excited to share our thoughts on the Berryman Products 1133 Engine Degreaser!

This powerhouse comes armed with high-performance detergents and emulsifiers that effortlessly tackle even the toughest road grime and grease.

We love how it penetrates engine compartments—cleaning paint, rubber, and plastic without any harm.

Plus, it’s phosphate-free, making it a safe choice for your vehicle as well as the environment.

However, be prepared for a little patience, as it has a longer soak time and performs best in cooler temperatures.

Affordable and effective, this degreaser is definitely a winner in our book!

Be sure to also check out the best atv driveway grader for more options! Also, here is the price history so you know exactly when to buy!

Price history for Berryman B-33 Degreaser on Amazon

Spray Nine

Spray Nine 26832 Heavy Duty Cleaner, Degreaser & Disinfectant for Kitchens, Bathrooms, Yard Equipment, Automotive & Industrial 32 Fl Oz. (Pack of 1)
Highlights
Professional-strength cleaning
Rapid sanitization
Versatile cleaning solution

When it comes to tackling heavy-duty grime, Spray Nine's Household Cleaner truly shines.

With its triple-action power, this professional-strength cleaner, degreaser, and disinfectant is our go-to for everything from greasy engines to dirty tools.

We love how it can sanitize surfaces in just 10 seconds, ensuring our environment is not only clean but safe.

However, keep in mind that its strong chemical smell can be a bit overwhelming, and some stubborn stains might require multiple applications.

Despite this, its ability to combat mold and mildew makes it a versatile hero in our cleaning arsenal!

Be sure to also check out the best auto leveling 3d printer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Spray Nine on Amazon

Crocodile Cloth

Crocodile Cloth Auto Cleaning Wipes - Car Engine Degreaser, Body Detailing, Tires Cloth Wipes - Cut Through Grease, Oil, and Adhesives on Hands, Tools, Parts, and More - 100 Giant Disposable Wipes
Highlights
Effective grease removal
Long-lasting moisture
Dermatologically tested

When it comes to tackling grease and grime, we believe Crocodile Cloth takes the crown.

Designed for real-world messes, these wipes are not just about cleaning; they actively attack dirt with their industrial strength degreaser.

The oversized 15" x 10" cloths let us scrub and absorb without needing multiple wipes, making them a more efficient choice for any garage or shop.

We also appreciated that they’re hand safe, infused with aloe and vitamin E.

Yes, the scent can be strong, and a few wipes might stick together, but the long-lasting moisture wins us over.

With 100 heavy-duty wipes per package, this product is a must-have for anyone serious about their car maintenance!

Be sure to also check out the best undercarriage cleaner for more options! Also, here is the price history so you know exactly when to buy!

Price history for Crocodile Cloth on Amazon

Simple Green Auto Engine Degreaser

Simple Green Pro HD Purple Concentrated Cleaner & Degreaser - Heavy Duty, Professional, Automotive, Restaurant, Grills, Ovens (32 oz Spray @Heavy Strength and 1 Gal Concentrate Refill)
Highlights
Effective on tough grease
Non-corrosive formula
Versatile for many applications

When it comes to tackling tough grease and grime, Simple Green Pro HD has earned its spot in our toolkit.

As a non-corrosive, professional-grade solution, it’s versatile enough for multiple surfaces—floors, walls, machinery, and even your beloved vehicle.

With its biodegradable formula, it's safe for metal, meaning no worries about damaging your prized possessions.

While it may lose a bit of steam over time and lacks a variety of scents, the results are undeniably impressive.

If you want a reliable cleaner that will leave your spaces sparkling, we say give Simple Green Pro HD a try!

Be sure to also check out the best antifreeze tester for more options! Also, here is the price history so you know exactly when to buy!

Price history for Simple Green on Amazon

WD-40 Specialist

WD-40 Specialist Degreaser with Smart Straw, Heavy-Duty Degreaser for Breaking Down Grease on Engines, Heavy Machinery, Power Equipment and Metal Tools, Industrial Strength Fast-Acting Formula, 15 Oz
Highlights
Fast-acting formula
Versatile applications
Easy to apply

When it comes to tackling tough grease, we can’t recommend the WD-40 Specialist Auto Engine Degreaser enough!

This product features a fast-acting formula that penetrates up to 2x faster than others, making it a game-changer for heavy machinery, engines, and tools.

The smart straw allows for both precise application and broad coverage, ensuring no nook or cranny is left untouched.

While you might need to do a little scrubbing for stubborn spots, the results are worth it!

Plus, it's VOC compliant, making it a safer choice for your workspace.

Say goodbye to grime and hello to efficiency!

Be sure to also check out the best chandelier cleaner for more options! Also, here is the price history so you know exactly when to buy!

Price history for WD-40 Specialist on Amazon

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