The Best Engine Cleaner on Amazon: 10 Great Models to Purchase in 2023

Using Cataclean can lower your total hydrocarbon emissions by up to 50 percent

Reduces carbon build-up in catalytic converter, oxygen sensors, fuel injectors and cylinder heads which results in improved fuel efficiency

Improves overall vehicle performance-including driveability issues such as power reduction, hesitation, rough idle, hard starts and lost fuel economy

Safe for gasoline, diesel, hybrid and flex-fuel vehicles; does not alter fuel

Not for use in 2-stroke or oil / gas mix engines

Cleans away dirt, grime, and stains from any surface

Advanced cleaning formula works on virtually any surface both interior and exterior

All-natural citrus based formula is designed to remove dirt, grime, stains, and filth faster than ever imagined

Concentrated and dilutable

Works on everything from carpets to engine bays

No scrubbing

Safe on all engine components

It safely removes grease, dirt, and grime from most engines

This item is not for sale in Catalina Island

✅ WHY CHOSE POR-15 CLEANER DEGREASER? - With POR-15 Cleaner Degreaser the applications are endless. It works quickly and efficiently on a variety of surfaces to remove grease, oil, mildew, algae, musty odors, soap films, wax. Use it to clean canvas, vinyl, nylon, holding tanks, grease traps, auto parts, and more!

✅ WATER BASED - Unlike most solvent-based cleaners POR-15 Non-flammable Cleaner Degreaser, is water based so it cleans without leaving residues. It makes petroleum-based cleaners almost obsolete because POR-15 Cleaner Degreaser can be diluted with water up to 4 to 10 times its volume while remaining more potent than other cleaners

✅ APPLICATIONS - POR-15 Cleaner Degreaser should be diluted with hot water. Four parts water to one part Cleaner Degreaser (4:1) works well for most jobs; but may be diluted up to ten parts water to one part Cleaner Degreaser (10:1). After using Cleaner Degreaser rinse the area thoroughly with water. Metal Surfaces cleaned with Cleaner Degreaser should always then be treated with POR-15 Metal Prep before painting.

✅ WHEN DO I NEED THIS? - Our cleaner degreaser removes dirt, grit, and oxidation that can cause corrosion on engines, machinery, tools, tires, rims, and undercarriages. Cleaner Degreaser is essential to clean any bare or rusted metal for paint as it leaves behind zero residue promoting superior adhesion.

✅ OUR SATISFACTION COMMITMENT – At POR-15 we strive to bring the ultimate in rust prevention. Known for the unbeatable 3-step stop rust system, POR-15 is trusted by DIY & Professionals. We are committed to innovation, quality control, and excellent customer service.

Spray on Engine Cleaner and agitate the area with a detail brush to remove grease, oil, dirt, and grime.

Loosens and breaks up grease, grime, and engine gunk

Easy spray-on, agitate, and wipe clean application

Cleans engine parts and readies your power plant for dressing

Zero VOC formula

Readily biodegradable

Rinses clean with water

Convenient trigger spray bottle

Acid-free and pH balanced formula.

Environmentally conscious with no harsh acids

Sprays on as a foam, turns red as the sintered iron is being removed

Safe for aluminum, chrome, painted and clear coated wheels

Made in Germany

FAST & EFFECTIVE - Engine degreaser for all car engines machine tools parts and more

POWERFUL FORMULA - The perfect degreaser for removing the toughest oil grease mud dirt and grime off all of your vehicle engines

SAFELY REMOVES DIRT & GRIME - Remove grime on vertical surfaces and other stubborn or hard to reach areas

RESTORES YOUR ENGINE - Restore OEM factory shine & look on engines tools & parts

PROFESSIONAL DEGREASER - Ideal for handling the toughest jobs that other degreasers can’t handle

Removes heavy dirt, mud, salt, dust, dirt, and grime

Won’t strip lubrication or dry out bearings

Won’t harm metal and painted surfaces or fade plastics

Restores surfaces and reduces mud from sticking

Significantly shortens your wash time

Clean Your Exhaust System: when regularly used, our emissions system cleaner will offer an effective cleanup to your oxygen sensor, catalytic converter, EGR valve, and turbocharger to boost your vehicle's working condition.

Optimal Lambda Sensor Operation: the high-performance oxygen sensor cleaner will remove the buildup dirt, soot, and carbon in your vehicle's o2 sensor to prolong its lifetime and optimize fuel consumption.

Unclog Your Catalytic Converter: the emission cleaner can also be used as a catalytic converter cleaner to eliminate any deposits the cat converter may contain, keep it protected from heavy dirt, and increase its efficiency.

Suitable For Gasoline And Diesel Engines: our versatile valve cleaner is designed to provide efficient oxygen sensor and catalytic converter cleaning to every car featuring a diesel or gasoline engine.

Easy-To-Use O2 Sensor Cleaner: to add the emission cleaner to your vehicle, you simply have to pour it into the fuel tank. Our oxygen sensor cleaner comes with a nozzle to make the filling procedure even easier.