Product Review
Marvel Mystery Oil helps unleash maximum power and performance while extending engine life. The original oil enhancer AND fuel treatment cleans the engine from the inside out, increases fuel economy, and protects against temperature extremes. Regularly use Marvel in your oil and fuel for a smoother, quieter engine.
- TRUSTED FOR 100 YEARS: Working as both a fuel additive & oil additive, our original formula cleans, lubricates and protects critical engine components to keep your car running smoother and longer
- ENGINE CLEANER & PROTECTOR: Delivers a protective lubricating film that reduces friction, wear and corrosion inside your engine, extending the life of pistons, cylinders and valves
- POWERFUL FUEL SYSTEM CLEANER: Removes carbon deposits and gum build-up in carburetors, fuel injectors, and intake valves for improved fuel efficiency and smoother engine performance
- OIL ADDITIVE & LUBRICANT: Use in engine oil to reduce noise, doubling as a car engine lubricant for smoother start-ups and quieter operations, especially after seasonal storage
- SAFE FOR ALL ENGINES: Compatible with all gasoline, diesel, and hybrid engines providing year-round protection and performance for cars, trucks, boats, motorcycles, lawn equipment and more
