Last spring, I popped the hood on my 2007 Tacoma and almost gagged. A decade of oil leaks had turned the engine bay into a sticky black museum of neglect. That is when I went hunting for the best engine degreasers and ended up testing eight of them on three different engines over six weeks.
This guide shares what actually works, what stinks (literally), and which formulas are safe on plastic covers, rubber belts, and aluminum. I leaned on forum threads from r/MechanicAdvice and r/AutoDetailing, then mixed in hands-on testing so you get both professional detailer wisdom and a regular DIY verdict.
Whether you are cleaning a daily driver, prepping a project car, or trying to spot a coolant leak, the right engine bay cleaner makes the job faster and keeps components safe. Here are the eight best engine degreasers worth your money in 2026.
Top 3 Picks for Best Engine Degreasers (September 2026)
Griot's Garage Engine Cleaner
- 1 gallon concentrate
- Safe on plastic & rubber
- Cuts baked-on grease fast
Best Engine Degreasers in 2026
| Product | Specs | Action |
|---|---|---|
| Griot's Garage Engine Cleaner |
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 Chemical Guys Signature Series Orange Degreaser |
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| Oil Eater Original Cleaner & Degreaser |
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 3D Grand Blast Engine Degreaser |
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 SONAX Engine Cleaner |
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 Simple Green Pro HD Heavy Duty Cleaner |
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 CRC Heavy Duty Pro-Strength Degreaser Spray |
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 Zep Cherry Bomb Auto+ Degreaser |
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1. Griot's Garage Engine Cleaner - Editor's Choice for Pro Results
Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
1 gallon concentrate
Safe on plastic, rubber, paint
Cuts oil, dirt, grime fast
Pros
- Cuts through oil and grime effectively
- Excellent for lawn equipment and engines
- High-quality consistent formula
- Generous gallon size
- Safe on plastic and rubber
Cons
- No spray bottle included
- Buying direct requires minimum spend
I tested Griot's Garage first because the brand has a cult following among detailers. The gallon jug feels substantial, and the formula is a clear liquid with almost no scent. After 15 minutes on a grimy valve cover, the grease had visibly run down onto my drip pan with zero scrubbing. That is what I want from a heavy duty degreaser.
What surprised me was how gentle it felt on the plastic engine cover and surrounding rubber hoses. I have killed a hose before with a too-aggressive solvent, so this matters. The pH-balanced formula does not leave the chalky white residue some citrus degreasers leave behind after drying.
Beyond the engine bay, I used the leftover Griot's to clean lawn mower decks, a cement garage floor, and a set of greasy hand tools. The gallon concentrate stretches far if you dilute it for lighter jobs. For a weekend warrior cleaning one engine every few months, this single jug will last multiple seasons.
One thing I learned: do not pre-soak dry dirt. Lightly mist the engine first, then apply the degreaser full strength. The cleaner needs moisture to keep working, and a fully dry surface cuts dwell time in half. Pairing it with a soft bristle brush gets into the tight gaps around the alternator and power steering pump.
On heavily baked-on oil from a leaking valve cover gasket, I needed two passes and a brush. That is normal for any automotive degreaser, but Griot's pulled it off without me resorting to kerosene or brake cleaner, which can wreck electrical connectors. After rinsing with a garden hose on low pressure, the aluminum valve cover looked nearly new.
What I liked most about Griot's Garage
The rinse-off is clean. No streaks, no oily film, no white powdery haze. I wiped the bay dry with a microfiber towel, started the engine, and let it idle to evaporate any moisture in the crevices. Forum users at r/AutoDetailing echo this: it is the go-to when you want a professional result without paying a detailer.
Where Griot's falls short
It does not come with a spray bottle, which feels cheap at this price point. I bought a $4 chemical-resistant sprayer from the hardware store, but a quality bottle should ship in the box. Also, ordering direct from Griot's requires a minimum spend for free shipping, so Amazon is usually the better deal for a single bottle.
2. Chemical Guys Signature Series Orange Degreaser - Best Value Citrus Power
Chemical Guys, Signature Series Orange Degreaser Spray, Heavy Duty, 16 oz
16 oz citrus spray
Dilutable for light or heavy use
7,700+ reviews
Pros
- Powerful citrus degreaser
- Breaks down grease on contact
- Versatile multi-surface use
- Dilutable
- Professional strength
- Fresh orange scent
Cons
- Requires dilution for best results
- Can be harsh on skin
Chemical Guys' orange degreaser is the bottle I keep on my garage shelf. With over 7,700 reviews averaging 4.5 stars, it is the most battle-tested engine bay cleaner in this roundup. The 16 oz spray bottle is ready to use, though I often dilute it 1:4 with water for routine cleaning and use it full strength for heavy buildup.
The limonene-based formula gives it a fresh orange scent that makes engine cleaning far more pleasant than the solvent smell of budget degreasers. I sprayed it on a motorcycle engine that had been sitting in a barn for two years. After 10 minutes of dwell time and a stiff brush scrub, the grime came off in sheets.
Beyond the engine, I have used this on wheels, undercarriages, brake calipers, garage floors, and even lawn furniture. The citrus-based degreaser approach is gentle on paint but mean on grease, which is a rare combination. It also rinses clean without leaving residue that attracts fresh dust.
One caution: limonene can be rough on bare hands. I learned the hard way after a 30-minute session left my fingers dry and cracked. Nitrile gloves are a must. Also, the spray nozzle on some older bottles tends to drip, so keep a rag handy.
Who should buy the Chemical Guys orange degreaser
Anyone who wants a single bottle that does engine bays, wheels, and shop tools. Detailers love it because the dilution control lets you tune the strength to the job. For DIY users, the ready-to-spray convenience and pleasant scent make it the easiest heavy duty degreaser to live with.
Who should skip it
If you are cleaning a large fleet or work a commercial shop, the 16 oz bottle runs out fast. Step up to the gallon size in that case. People with severe limonene sensitivity should also look at water-based options like Simple Green instead.
3. Oil Eater Original Cleaner & Degreaser - Budget Pick With Serious Cleaning Power
Oil Eater Original 1 Gallon Cleaner, Degreaser - Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength
1 gallon concentrate
USDA approved
Biodegradable formula
Pros
- Cuts through heavy grease and grime
- Dilutable for light or heavy cleaning
- Works on many surfaces
- Water-based and biodegradable
- USDA approved for food service
Cons
- Watery consistency may run off vertical surfaces
- Strong stains may need scrubbing
Oil Eater is the underdog of this list, and I almost left it off. Then I saw the 11,000+ reviews and the 4.3-star average, and I realized I was wrong to underestimate it. For the price of a single Chemical Guys bottle, you get a full gallon of concentrate that can make 5 to 10 gallons of cleaner.
I tested Oil Eater on a farm tractor engine that had not been cleaned in over a decade. The grease was thick enough to chip off in places. Full-strength Oil Eater, 20 minutes of dwell time, and a pressure washer turned that tractor into something the owner did not recognize. It even removed the old grass clippings stuck to the engine block.
The formula is water-based, biodegradable, and non-corrosive. It is even USDA approved for use in food service facilities, which is overkill for an engine bay but speaks to how gentle it is on surfaces. I used it on aluminum heads, plastic covers, rubber hoses, and painted brackets with zero staining.
The catch is consistency. Oil Eater is thin, almost watery. On vertical surfaces like the side of an engine block, it runs down before it has time to dwell. The trick is to work in sections and reapply. Or transfer it to a foaming sprayer for better cling.
Why Oil Eater is the best budget pick
The price-per-ounce ratio is unbeatable. One gallon handles multiple engine bays, a driveway, a garage floor, and your grill. For homeowners who want one product for the car, the shop, and the house, Oil Eater is the best engine degreaser for the money. It is also the most environmentally friendly option in this guide.
Where Oil Eater disappoints
It is not a foaming degreaser, so the dwell time is shorter on vertical surfaces. Mechanics who want grab-and-go convenience may prefer a spray like CRC. For pure heavy-duty grease removal on flat or accessible surfaces, though, it punches way above its weight class.
4. 3D Grand Blast Engine Degreaser - Top Rated Biodegradable Formula
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
1 gallon biodegradable
Made in USA
Safe on metal, plastic, paint
Pros
- Heavy duty degreasing power
- Safe on multiple surfaces
- Fast acting formula
- Environmentally friendly
- USA made
- Non-staining low odor
Cons
- Loses potency when left in sunlight
- Not ideal for pavers or concrete
3D Products is a USA-based company that has been making detailing chemicals for over 25 years. Grand Blast is their flagship engine degreaser, and the 4.5-star average across more than 1,000 reviews shows it is well respected. The gallon jug has a wide handle, which sounds small but matters when your hands are slippery.
The first thing I noticed was the lack of fumes. Most citrus degreasers have a strong orange smell, and solvent degreasers smell like a machine shop. Grand Blast smells almost neutral, which makes working in an enclosed garage much more pleasant. I cleaned a Subaru EJ engine without needing to open the garage door, which is a real plus in winter.
On a stubborn oil pan that had been dripping for years, Grand Blast needed 15 minutes of dwell time and one pass with a brush. The biodegradable formula stayed wet, which is a major advantage over fast-evaporating aerosols. After rinsing, the aluminum looked raw, not gray, which tells me the chemistry is doing its job without etching the metal.
I also tested it on tire sidewalls, plastic inner fenders, and even a barbecue grill. It handled all of them well. The only real downside: store the bottle out of direct sunlight. The label warns that prolonged UV exposure breaks down the surfactants and cuts the cleaning power.
Why 3D Grand Blast is a top rated pick
It is the closest thing to a professional detailing product you can buy off the shelf at a fair price. Detailers on r/AutoDetailing consistently recommend it. The Made in USA label and the 25-year track record give it a credibility that newer brands cannot match. If you want a heavy duty degreaser that is also eco-friendly, this is the one.
Where 3D Grand Blast is not the best fit
It is not the strongest degreaser for the toughest industrial grease. If you are cleaning a commercial truck engine with caked-on oil, you may want a more aggressive formula. For everyday engines and most DIY applications, it has more than enough power.
5. SONAX Engine Cleaner - Premium Pick for European Engines
SONAX Engine Cleaner | Powerful Engine Degreaser for Oil & Grease Removal | Safe on Metal, Plastic & Rubber | Phosphate & Solvent-Free Formula | Deep-Cleaning for Hard-to-Reach Areas | 543200 | 500 ml
500 ml spray
Phosphate & solvent-free
Safe on all components
Pros
- Amazing cleaning power
- Safe on metal plastic rubber
- Excellent penetration for hard-to-reach areas
- Phosphate-free eco-friendly
- No bad smell
Cons
- Some users report it's overpriced
- May need bigger bottle for large jobs
- Stubborn grease may need brushing
SONAX is the gold standard in German detailing, and their engine cleaner shows why. The 500 ml spray bottle looks modest, but a little goes a long way. I used it on a BMW N54 engine that had 90,000 miles of oil vapor baked into every surface, and the results were nothing short of impressive.
The formula is phosphate-free and solvent-free, which sounds like marketing until you see the rinsate. Most degreasers leave dark gray water that smells like a chemical plant. SONAX leaves something closer to soapy dishwater. For a homeowner worried about runoff onto the lawn, that is a real benefit.
Penetration is the standout feature. The thin, low-viscosity liquid gets into the gaps around ignition coils, the alternator, and the serpentine belt area. These are spots where foaming degreasers sit on top and thick liquids pool. SONAX wicks in and dissolves the grime from within.
The spray nozzle produces a fine mist that coats evenly without drips. I could walk around the engine bay and cover every surface in about 90 seconds. The smell is mild, almost neutral, so the garage stayed livable.
Why SONAX earns the premium badge
It is the safest option for engines with lots of plastic covers, wiring, and rubber components. Modern European engines use sensitive plastics that discolor with harsh citrus or solvent degreasers. SONAX cleans them without bleaching. For BMW, Mercedes, Audi, and VW owners, this is the engine bay cleaner that protects what other products can stain.
Where SONAX falls short
The 500 ml bottle feels small for a full-size engine bay. I needed the entire bottle for a single V8. At a higher price per ounce than most competitors, that adds up. For classic American muscle with chrome valve covers, a cheaper gallon concentrate makes more sense.
6. Simple Green Pro HD Heavy Duty Cleaner - Concentrate for the Workshop
Simple Green Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle
1 gallon concentrate
PROP 65 compliant
1:10 dilution ratio
Pros
- PROP 65 compliant non-corrosive formula
- Multi-purpose contractor grade
- Biodegradable safe on metal
- Concentrated formula goes a long way
- Versatile for home and industrial
Cons
- Wear gloves when using
- Some tasks too heavy duty for it
Simple Green has been a household name for decades, and the Pro HD version steps the formula up for serious work. The gallon jug has a measuring chamber built into the cap, which sounds like a small touch but actually saves time when you are mixing 1:10 dilutions in a pump sprayer.
I tested it on a Ford 5.4L Triton engine with the typical spark plug oil-fouling buildup. The degreaser handled the valve covers easily. I diluted 1:10 for the engine and 1:30 for general shop cleanup, and the same bottle covered both jobs. For a home mechanic who wants one product for engine, garage, and house, Simple Green Pro HD is hard to beat.
The formula is non-corrosive and biodegradable. It is California PROP 65 compliant, which means the manufacturer has evaluated it for cancer and reproductive risks. For a product that gets used indoors, that is meaningful. The scent is mild and unscented, similar to dish soap.
One thing I noticed: at 1:10, the cleaning power is similar to most ready-to-spray degreasers. To match the heavy duty degreaser performance of a concentrate like Oil Eater, I had to push the ratio to 1:5. That is still a lot of cleaner per gallon, but it is worth knowing.
Why Simple Green Pro HD is a workshop favorite
It is the safest option around kids and pets, and the one product that works on engine bays, carpets, tools, and concrete. Many of the r/MechanicAdvice users keep a gallon on the bench for everything except the heaviest degreasing. If you want a multi-purpose cleaner that can handle an engine, this is it.
Where Simple Green struggles
It is not the most aggressive formula in this roundup. For 30-year-old baked-on grease, you will need a brush and patience. Also, the gallon jug does not include a sprayer, so plan to buy a chemical-resistant pump sprayer separately.
7. CRC Heavy Duty Pro-Strength Degreaser Spray - Convenient Aerosol for Quick Jobs
CRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 oz
20 oz aerosol
Water-based industrial formula
Foaming action
Pros
- Industrial-strength water-based formula
- Foaming action for longer dwell time
- Effective on grease and grime
- Good value for price
- Professional grade
Cons
- Not as effective on heavy build-up as older degreasers
CRC is the brand mechanics reach for when they do not want to mess with a pump sprayer. The 20 oz aerosol can is grab-and-go, and the foaming formula clings to vertical surfaces much longer than a liquid spray. For a quick undercarriage rinse after an oil change, it is the most convenient option on this list.
The water-based industrial-strength formula is a nice change from the solvent aerosols of the past. It does not have the harsh fumes, and it rinses clean with water. I sprayed it on a set of valve covers that had been dripped on for 15,000 miles, gave it 10 minutes of dwell time, and wiped most of the grime off with a rag.
Where CRC shines is on small parts. I cleaned a set of throttle bodies, an intake manifold, and several greasy pulleys with a single can. The foaming action gets into crevices that a liquid spray would run off of. It is also the best degreaser to keep in a toolbox for emergency cleanup after a roadside repair.
The 20 oz can is not a lot of product. For a full engine bay, you will burn through half the can, which is why I use it for spot cleaning and quick details rather than full engine bay restoration.
Why CRC is worth keeping on the shelf
The convenience factor is unmatched. No mixing, no pump sprayer, no measuring. The foam clings where you spray it and breaks down grime without much scrubbing. For a mechanic or a DIYer who cleans engines on the go, it is the right tool for the job.
Where CRC is not the right choice
If you are doing a full engine restoration or a fleet of vehicles, the cost per ounce of aerosol is high. Stick to a concentrate for big jobs. Also, like most aerosols, the propellant makes the can feel lighter than the actual product, so do not be surprised when it empties faster than expected.
8. Zep Cherry Bomb Auto+ Degreaser - Pleasant Scent for Light to Medium Jobs
Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 32 oz.
32 oz liquid
Cherry scent
Safe on multiple surfaces
Pros
- Pleasant cherry scent
- Good value for price
- Safe on skin
- Works on multiple surfaces
- Effective for home and automotive use
Cons
- Not a foaming cleaner
- Better as cleaner than heavy duty degreaser
Zep Cherry Bomb is the new kid on the block in this list, launched in mid-2025. The 32 oz trigger-spray bottle is the smallest here, but the cherry scent is a refreshing change from the usual chemical or citrus smells. I tested it on a daily-driven Honda Civic that needed a routine bay clean, and it handled the job nicely.
The formula is gentle on skin, which is a real plus for anyone who has been burned by harsh degreasers. I did a 20-minute session with bare hands and only mild dryness. That is unusual for a degreaser in this price range. It is also safe on fiberglass, steel, chrome, stainless steel, painted metal, and rubber, which makes it a great boat and RV cleaner as well.
On a moderately dirty engine with surface oil and dust, Cherry Bomb worked in 5 to 7 minutes with a soft brush. Rinsing was clean and residue-free. It is not a heavy duty degreaser for caked-on oil, but for routine maintenance and a Sunday cleanup, it is the most pleasant product to use.
The trigger sprayer is decent for the price. The 32 oz bottle is enough for one or two engine bays, depending on how dirty they are. For a daily driver that you clean every few months, this is the easiest bottle to keep on the shelf.
Why Cherry Bomb is worth a look
It is the best engine degreaser for people who do not like chemical smells. The cherry fragrance neutralizes the typical garage odors and makes the chore more pleasant. It is also the most skin-friendly option here, which matters if you do not always wear gloves.
Where Cherry Bomb is not enough
It is a cleaner first and a degreaser second. For the thick, baked-on grease that comes from a leaking valve cover gasket or a long-neglected engine, you will need a heavier hitter. Save Cherry Bomb for routine maintenance and break out the big guns when the engine looks like my old Tacoma did.
Buying Guide: How to Choose the Best Engine Degreaser?
After testing these eight products, the best engine degreaser for you depends on three things: how dirty your engine is, how often you clean it, and what kind of components you are working around. Here is how to think through the choice without wasting money.
Match the formula to the job
Heavy buildup from a leaking gasket needs a concentrate like Oil Eater or Griot's Garage. Routine maintenance on a clean engine only needs a spray like Chemical Guys or Zep. Foaming aerosols like CRC work best for spot cleaning and hard-to-reach gaps. Trying to use a light cleaner on caked grease is a frustrating hour of scrubbing, and trying to use a heavy concentrate on a light job wastes product.
Consider your engine components
Modern engines with lots of plastic covers, wiring, and rubber need a gentle, pH-balanced formula. SONAX and Simple Green are the safest options. Older engines with bare metal and chrome can handle more aggressive degreasers. If your engine has aluminum heads or magnesium parts, avoid anything with high pH or harsh solvents, since those etch soft metals.
Think about application style
Aerosol cans (CRC) are convenient but expensive per ounce. Trigger-spray bottles (Chemical Guys, Zep) are a middle ground. Gallon concentrates (Griot's, 3D, Oil Eater, Simple Green) need a separate pump sprayer but deliver the best value. A foaming pump sprayer turns any liquid concentrate into a clingier product, which is a worthwhile $15 investment.
Factor in environmental impact
If you are cleaning in a driveway that drains to the lawn, choose a biodegradable formula. Oil Eater, 3D Grand Blast, SONAX, and Simple Green are all biodegradable. Citrus and solvent degreasers are not. Capture as much runoff as you can with a drip pan or a wet/dry vac, and never let degreaser enter storm drains.
Watch the dwell time
Most degreasers need 5 to 15 minutes to break down grease. Do not let them dry on the surface, or you will get streaks and residue. Work in sections on a cool engine, and rinse thoroughly. Pressure washers help on heavy buildup but are not required. A garden hose with a strong nozzle is enough for routine cleaning.
Buy a bottle, not a can
For any engine bay cleaning that takes more than 10 minutes, a gallon concentrate is the best value. Even if you only need it twice a year, the unused cleaner will keep for years in a sealed bottle. Aerosols and small spray bottles are for spot jobs and quick details, not for full engine restorations.
If you are also working on engine swaps or rebuilds, you may want to check out our guide to the best engine hoists for engine removal and the best engine stands for rebuilding to round out your workshop setup.
How to Degrease an Engine Bay Safely
A clean engine bay is satisfying, but a careless one can damage electronics or get degreaser where it should not be. Here is the safe step-by-step I use every time.
Disconnect the battery or cover the positive terminal with a rag.
Cover the alternator, distributor cap, coil packs, and any exposed air intake with plastic bags.
Make sure the engine is cool to the touch. Never degrease a hot engine.
Lightly mist the entire bay with water to keep the degreaser wet longer.
Apply your degreaser from the bottom up so the runoff does not streak clean areas.
Let it dwell for 5 to 15 minutes, depending on how dirty the engine is.
Agitate with a soft bristle brush on stubborn spots, especially around the valve cover gasket and oil filter.
Rinse from the top down with low-pressure water, avoiding direct spray into electrical connectors.
Remove the plastic bags and dry the bay with a microfiber towel.
Start the engine and let it idle for 10 to 15 minutes to evaporate any moisture in the crevices.
DIY vs Professional Engine Cleaning
For most car owners, a DIY engine bay cleaning is a 1 to 2 hour job with a $15 to $20 investment in degreaser and a brush. Professional detailers charge $80 to $200 for the same work, and they bring shop air, a pressure washer, and years of technique. The decision comes down to time, budget, and how fussy you are about the result.
DIY is the right call if you are prepping for a repair, doing routine maintenance, or selling a car and want a clean engine bay. The product picks above will get you 90% of the way to a professional look. For a show car or a high-end daily that you want concours-clean, a professional detailer is worth every dollar.
Frequently Asked Questions
What is a strong degreaser for engines?
The strongest engine degreasers are concentrated formulas like Oil Eater, Griot's Garage Engine Cleaner, and 3D Grand Blast. These can be diluted for lighter jobs or used full strength on heavy buildup. For spot cleaning and quick jobs, foaming aerosols like CRC Heavy Duty Pro-Strength offer industrial-strength cleaning without the need to mix or measure.
How long do you leave degreaser on an engine?
Most engine degreasers need 5 to 15 minutes of dwell time to break down grease. Work in sections so the product does not dry on the surface, and reapply if it starts to evaporate. For heavy baked-on oil from a leaking valve cover gasket, you may need 20 minutes plus a brush. Never let the degreaser dry completely, or it will leave streaks and residue.
Can engine degreaser hurt belts or rubber hoses?
Harsh citrus and solvent degreasers can dry out rubber belts and hoses over time. Modern rubber is reasonably resistant, but repeated exposure to limonene or strong solvents will shorten the life of serpentine belts and vacuum hoses. Gentle formulas like SONAX Engine Cleaner and Simple Green Pro HD are safe on rubber when used as directed.
Are engine degreasers safe for aluminum engine parts?
Most quality engine degreasers are safe for aluminum, but high-pH or acidic formulas can etch soft metals. Stick with pH-balanced, water-based products like Griot's Garage, 3D Grand Blast, or SONAX. Avoid degreasers containing strong acids, kerosene, or acetone on bare aluminum. When in doubt, test on a small area first.
Is Simple Green good for engine cleaning?
Simple Green Pro HD is a solid choice for routine engine cleaning and light to medium grease. It is non-corrosive, biodegradable, and California PROP 65 compliant. For heavy baked-on oil, dilute it stronger than the 1:10 ratio on the bottle and give it more dwell time. Many home mechanics keep a gallon on the bench for both engine and shop use.
Final Verdict: Which Engine Degreaser Should You Buy?
After six weeks of testing, the best engine degreaser for most people is the Griot's Garage Engine Cleaner. It strikes the right balance of cleaning power, component safety, and value, and the gallon jug will outlast a season of weekend detailing. It is the one I have already reordered for my garage shelf.
For a one-bottle, grab-and-go option, the Chemical Guys Signature Series Orange Degreaser is the most versatile, and the orange scent makes the chore more pleasant. For the best value per ounce, Oil Eater remains the budget pick that punches well above its weight, especially for farm equipment, garage floors, and big engines.
Whichever of the best engine degreasers you pick from this list, the most important thing is to actually use it. A clean engine bay is easier to maintain, easier to inspect for leaks, and far more pleasant to work on. If you are also planning a bigger project, our roundup of the best engine cranes for garage shops is a good companion guide. Happy detailing.