Marvel Marvel Mystery Oil Mm12r Multi-oil Treatment, 16 Oz.

Marvel Mystery Oil MM12R is a versatile multi-oil treatment designed for use in both fuel and motor oil systems of gasoline and diesel engines. This proven formula addresses common engine problems by cleaning fuel injectors, lubricating critical engine components, and protecting against rust, corrosion, varnish, and sludge buildup. Whether you're looking to improve engine performance, extend the life of your fuel injectors, or protect your engine during extreme temperature conditions, this 16 oz. bottle offers a flexible solution for a wide range of engine types and applications.

Safe for catalytic converters and oxygen sensors, Marvel Mystery Oil works in multiple ways depending on how you use it. Add it to your fuel system to clean injectors and carburetors, improve fuel mileage, and extend spark plug life. Add it to your engine oil to prevent valve sticking, fortify oil properties, protect against temperature extremes, reduce acid and sludge, and promote easier cold starts. This dual-purpose treatment is an effective way to enhance overall engine performance and longevity with a single product.

Features and Benefits

• Dual-System Formula: Works in both fuel and motor oil systems for flexible engine maintenance.
• Fuel Injector Cleaning: Removes deposits that hinder fuel spray, improving injector performance and fuel mileage.
• Engine Wear Protection: Lubricates cylinders and fortifies oil properties to reduce wear and breakdown.
• Corrosion and Sludge Prevention: Helps prevent rust, varnish, gum buildup, and acid formation.
• Cold Weather Performance: Promotes easier starts and maintains protection in extreme temperatures.
• Catalytic Converter Safe: Compatible with modern emissions control systems and oxygen sensors.

Specifications

• Brand: Marvel
• Model: MM12R
• Size: 16 oz. bottle
• Scent: Wintergreen Mint
• Use: Gasoline and diesel engines
• Safe for catalytic converters and oxygen sensors

How to Use

• In Fuel System: Add to gasoline to clean fuel injectors and carburetors, improve mileage, extend spark plug life, and reduce varnish and gum buildup.
• In Motor Oil: Add to engine oil to prevent valve sticking and clatter, fortify oil properties, prevent breakdown from extreme temperatures, reduce acid and sludge formation, and promote easier cold starts.