Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a


    Add a


    Marvel Mystery Oil Marvel Mystery Oil MM12R Oil Enhancer & Fuel Treatment (32oz.)

    Part # MM13R
    Loading ...
    • Product Details

      Part No. MM13R

      Warranty Details (30 DAY REPLACEMENT IF DEFECTIVE)

      Marvel Mystery Oil offers long lasting protection to your car's hard-working engine by cleaning and adding a lubricating layer unparalleled by the other fuel and motor treatments. Adding Marvel Mystery Oil to your gas tank restores engine performance, improves gasoline mileage, extends spark plug life and prevents gum build-up. It also cleans and lubricates fuel injectors and carburetors. Added to oil, it prevents valve sticking and clatter, fortifies properties of engine oil, prevents breakdown caused by extreme temperatures, reduces and prevents acid and sludge formation and promotes easier freezing weather starts.

      Product Features:

      • Provides top end lubrication essential for restoring power and fuel economy
      • Advanced engine technology stabilizes fuel for months and helps promote easy start-ups
      • Prevents rust and corrosion from Ethanol containing fuels
      • Reduces cold weather starts and creates smoother starts
      • Can be used in all engines including direct injection (GDI and hybrids)

    • Specifications
      • Diesel Compatible:Yes
        Oil Quantity Treated:5 qt
        Stops Leaks:Yes
        Synthetic Oil Compatible:Yes
    • Read Review
    • Q & A