Best Engine Flush Cleaner: image
Top Pick

Cleaner Liqui Moly Pro Line Engine Flush is a highly effective detergent additive that removes deposits and liquid contaminants from the engine. The product has been tested on catalytic converters and diesel engines. It can be used for cleaning oil filters, fuel pumps, etc. It also prevents corrosion of unprotected metal surfaces. Not only does it clean the engine, but it also protects its internal components against dirt and dust.

Best Budget

Of 2007 Jectron Gasoline Fuel Injection Cleaner, 2009 Anti-Friction Oil Treatment & 2037 Pro-Line Engine Flush – Combo. The product has been approved by the National Highway Traffic Safety Commission (NHSSC) for use in highways. It also contains anti-friction additives to help reduce friction and improve fuel economy. The products are available at a cost of?2 lakh.

Honorable Mention

CRC Industries’ engine salt terminator works in both saltwater and freshwater environments. The product is formulated to remove salt particles from engines, which can lead to corrosion and damage of the cooling systems. It also contains anti-corrosive additives that help prevent corrosion. Notably, this product has been approved by the Indian Navy for use in marine applications. The product is manufactured using high-purity polyethylene (HPPE) material. It is certified by the National Institute of Standards (NIOSH).

Best Engine Flush Cleaner

Top 8 Best Engine Flush Cleaner

Top Pick
1

Liqui Moly 2037 Pro-Line Engine Flush

4,469 ratings | 34 offers | 4,469 Reviews
Price: $13.95$31.28
Why we chose it
  • Neutral to seals and other materials installed in the engine
  • Compatible with catalytic converters
  • Simple to use
  • Easy way to clean and flush the oil systems of gasoline and diesel engines
  • Gentle and rapid cleaning
Liqui Moly 2037 Pro-Line Engine Flush: image
94%
customers recommend this product
4.7/ 5
Easy to use4.7
Value for money4.5
Mileage4.5
Sheerness4.4
2
Why we chose it
  • PRODUCT SPECIFICATIONS: Each bottle contains 128 oz. of solution, and works efficiently in both freshwater and saltwater environments.
  • CRC INDUSTRIES: A market leader that offers impeccably designed chemicals to maintain, protect and repair different marine, heavy-duty motor vehicles and industrial-grade engines.
  • VERSATILE: Our engine salt terminator can be used on different applications including heavy trucking, utility services, marine, automotive, and hardware. It efficiently works on RVs, trucks, ATVs, boats, PWCs trailers, fishing gears and patio furniture.
  • CRC SALT TERMINATOR: Our CRC engine flush cleaner eliminates harmful salt particles and debris, leading to corrosion, vehicle damage and rust, from different vehicle/marine engines and cooling systems.
  • AUTO ESSENTIALS: When used as a corrosion inhibitor or motor flush, this environment friendly engine salt cleaner creates a protective layer around internal marine engine components and vehicles to protect them from rust and salt corrosion.
CRC SX128 Salt Terminator Engine Flush Cleaner & Corrosion Inhibitor– 128 oz., Engine Flush Cleaner for Cooling Systems, Trucks, Marine Engines | Automobile Cleaners and Oils: image
94%
customers recommend this product
4.7/ 5
Easy to use4.8
Value for money4.5
3
Why we chose it
  • Helps remove sludge and harmful engine deposits
  • Excellent for use after an extended drain interval or unknown service history
  • Restores engine cleanliness in preparation for new motor oil
  • Do not rev engine during service – run for no more than 5 minutes
  • No extra oil needed during flush (up to six quart capacity)
Throttle Muscle TM7326 - Engine Flush Oil System and Engine Crankcase Cleaner 128 Oz: image
90%
customers recommend this product
4.5/ 5
4
Why we chose it
    Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner, 2009 Anti-Friction Oil Treatment & 2037 Pro-Line Engine Flush - Combo: image
    92%
    customers recommend this product
    4.6/ 5
    5
    Why we chose it
    • MULTI-USE SALT REMOVAL FOR BOATS, CARS, DIVING GEAR AND MORE This salt eliminator works great to quickly break down salt deposits on marine safe surfaces including boats, kayaks, jet-skis, life jackets, fishing, dive and camping equipment. This salt neutralizer solution also works great to remove stubborn salt from decks, trailers and as a dinghy cleaner , as a salt remover for cars , auto salt remover , salt remover for floors , floor salt remover, road salt remover and road salt neutralizer.
    • INBOARD / OUTBOARD / JET ENGINE FLUSH This salt water flush removes stubborn salt deposits when used as a motor flush from I/O engines and jet skis. Our concentrated boat flush is also ideal as a part of a winterizing boat kit to winterize boat. Our marine engine flush is ECO-FRIENDLY and BIODEGRADABLE making it an earth-friendly outboard motor flusher and boat winterizer. We stand behind the quality of our boat supplies, marine engine flush and outboard engine flush
    • REMOVES SALT WHILE PREVENTING FUTURE BUILD-UP Breaks down salt without stripping away wax or polish. Our specially formulated salt remover solution also leaves a barrier that prohibits future buildup and protects against corrosion. A little of this concentrate kit goes a long way making it a great value! This salt water cleaner is safe for various materials Fiberglass, Vinyl, Wood, Aluminum, Painted Surfaces, Plastic, Rubber, Chrome, Stainless Steel and also works as an Outboard Engine Flush.
    • MADE IN THE USA & EXCEPTIONAL QUALITY Better Boat offers a comprehensive line of premium quality boating supplies and boating accessories. Developed by boaters for boaters, our marine-grade products and boat accessories are made to strict, tested, trade-secret standards right here in America. We offer all the tools needed to make caring for your boat easier so you can spend less time maintaining and more time on the water.
    Better Boat De-Salt Concentrate Salt Remover Flusher for Motors Marine Watercraft Engines Flush Winterize Cleaner (1 Gallon): image
    94%
    customers recommend this product
    4.7/ 5
    Easy to use5
    Value for money5
    6
    Why we chose it
    • Easy to use, just add the contents to warm motor oil before an oil change
    • Protects against compression loss in the piston ring area
    • Please see Product Description regarding the California Proposition 65 Warning
    • Cleans and rinses the entire engine system, including those equipped with catalytic converters
    • Effectively breaks down dirt accumulation and sludge deposits in gasoline and diesel engines
    RAVENOL J8A0101-400 Professional Engine Cleaner - Engine Oil System Cleaning and Flush Treatment (400 ml): image
    90%
    customers recommend this product
    4.5/ 5
    7
    Why we chose it
    • LUBEGARD Engine Flush & Bio/Tech Engine Protectant Performance Pack (98901)
    Lubegard Engine Flush & Bio/Tech Engine Protectant Performance Pack (98901): image
    96%
    customers recommend this product
    4.8/ 5
    8
    Why we chose it
    • FAST MOTOR FLUSH: This 5-minute engine cleaner effectively cleans and removes gum, rust, varnish and sludge prior to changing engine oil in various automobile, machine or marine engines.
    • PRODUCT SPECIFICATIONS: Fast Motor Flush is available in a pack of 6 bottles, each containing 30 fl. oz. of cleaner.
    • APPLICATIONS: Our 5-Minute Engine Cleaner works efficiently on gasoline and diesel engines found in cars and trucks.
    • EXCELLENT FORMULA: Fast Motor Flush enables the smooth and consistent performance of different engines by cleaning them thoroughly before changing your engine’s oil.
    • K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in aging vehicles. Our sealants provide an effective alternative to costly repairs and part replacements.
    K&W Fast Motor Flush 5-Minute Engine Cleaner 402718 – [Pack of 6] 30 FL. Oz. Engine Cleaner for Gasoline and Diesel Engines: image
    86%
    customers recommend this product
    4.3/ 5
    Top Pick
    Liqui Moly 2037 Pro-Line Engine Flush
    Liqui Moly's Pro Line Engine Flush is a highly effective detergent additives in Engine Flush clean interior engine before oil change. Removes Deposits, residues from all 4-stroke gasoline engines and diesel engines. Dissolves sludge and lacquer and isolates solid particles and liquid contaminants. Improves the combustion process and restores full engine performance. Prevents corrosion of unprotected metal surfaces. Recovers oil lubricating properties. Add to engine oil before engine oil change. Let engine run on idle speed for 10 minutes. Drain oil, change oil filter and refill with fresh Liqui Moly engine oil. Fully compatible with all commercially available engine oils.
    Ranking the Brands
    Liqui Moly: 25.00%
    CRC: 12.50%
    Throttle Muscle: 12.50%
    : 12.50%
    RAVENOL: 12.50%
    Lubegard: 12.50%
    K&W: 12.50%

    Comparison Table

    Сomparison: Liqui Moly 2037 Pro-Line Engine Flush: imageСomparison: CRC SX128 Salt Terminator Engine Flush Cleaner & Corrosion Inhibitor– 128 oz., Engine Flush Cleaner for Cooling Systems, Trucks, Marine Engines | Automobile Cleaners and Oils: imageСomparison: Throttle Muscle TM7326 - Engine Flush Oil System and Engine Crankcase Cleaner 128 Oz: imageСomparison: Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner, 2009 Anti-Friction Oil Treatment & 2037 Pro-Line Engine Flush - Combo: imageСomparison: Better Boat De-Salt Concentrate Salt Remover Flusher for Motors Marine Watercraft Engines Flush Winterize Cleaner (1 Gallon): imageСomparison: RAVENOL J8A0101-400 Professional Engine Cleaner - Engine Oil System Cleaning and Flush Treatment (400 ml): imageСomparison: Lubegard Engine Flush & Bio/Tech Engine Protectant Performance Pack (98901): imageСomparison: K&W Fast Motor Flush 5-Minute Engine Cleaner 402718 – [Pack of 6] 30 FL. Oz. Engine Cleaner for Gasoline and Diesel Engines: image
    Liqui Moly 2037 Pro-Line Engine FlushCRC SX128 Salt Terminator Engine Flush Cleaner & Corrosion Inhibitor– 128 oz., Engine Flush Cleaner for Cooling Systems, Trucks, Marine Engines | Automobile Cleaners and OilsThrottle Muscle TM7326 – Engine Flush Oil System and Engine Crankcase Cleaner 128 OzLiqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner, 2009 Anti-Friction Oil Treatment & 2037 Pro-Line Engine Flush – ComboBetter Boat De-Salt Concentrate Salt Remover Flusher for Motors Marine Watercraft Engines Flush Winterize Cleaner (1 Gallon)RAVENOL J8A0101-400 Professional Engine Cleaner – Engine Oil System Cleaning and Flush Treatment (400 ml)Lubegard Engine Flush & Bio/Tech Engine Protectant Performance Pack (98901)K&W Fast Motor Flush 5-Minute Engine Cleaner 402718 – [Pack of 6] 30 FL. Oz. Engine Cleaner for Gasoline and Diesel Engines
    BrandLiqui MolyCRCThrottle MuscleRAVENOLLubegardK&W
    ManufacturerLiqui MolyCRCRev Your Cause, LLCLiqui MolyRavensberger Schmierstoffvertrieb GmbHLubegard
    Item Weight1.05 pounds9 pounds3.61 pounds14.1 ounces2 pounds
    Product Dimensions2.76 x 2.76 x 7.99 inches5 x 7 x 10.3 inches3 x 3 x 9 inches
    Is Discontinued By ManufacturerNoNoNoNoNo

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