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30% Off Online Orders of Select Parts and Accessories. Enter Promo Code MANNY30 in Cart

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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code MANNY30 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 7/28/16. Online orders scheduled for in-store pick up must be completed by closing on 7/27/16 for discount to apply.

Your Store: Pep Boys Germantown  20900-A Frederick Rd
Showing  Marvel Mystery Oil Oil and Fuel Additive 
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Marvel Mystery Oil Oil and Fuel Additive

Part # MM13R   SKU: 118736
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.
$6.49 / ea
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Marvel Mystery Oil Oil and Fuel Additive

Since 1923, Marvel Mystery Oil has helped increase the life of countless engines of all types. Marvel Mystery Oil cleans the engine from the inside out while increasing fuel economy and protecting against temperature extremes. Regularly use Marvel Mystery Oil in your oil and fuel to enhance overall performance.
  • Helps improve fuel economy
  • Cleans and lubricates fuel injectors and carburetors
  • Reduces and prevents varnish and gum build up
  • When added to oil, prevents valve sticking and clatter
  • When added to oil, prevents oil breakdown caused by extreme temperatures
  • This item must be picked up in the store as it may contain materials which are flammable or corrosive.


Rated 4.6 out of 5 by 38 reviewers.
Rated 5 out of 5 by Great Product! This product works fast. The engine always hesitated once the Marvel Mystery was added this product seemed to work really well. So far have experienced no more sputtering of engine. Thanks Pep Boys!!! October 10, 2015
Rated 5 out of 5 by Product was fabulous, does what it advertises! Easy to put in clear instructions as to what to do. My engine is Happy now. August 9, 2015
Rated 1 out of 5 by can't see it did any good at all did not get what i expected September 22, 2015
Rated 5 out of 5 by Marvel Mystery Oil and Fuel Additive I have used this product for over 30 years- been around as long as dirt- great dependable product. Highly recommend!!! September 2, 2015
Rated 5 out of 5 by Great stuff I always Use I get better mileage using this product August 31, 2015
Rated 5 out of 5 by Verry good product Good not only for 4 astroke eng. but also 2 strokes August 28, 2015
Rated 5 out of 5 by Marvel Mystery Oil Wonderful all year product August 22, 2015
Rated 5 out of 5 by all a round never hurts, add to oil, gas.. June 21, 2015
  • 2016-07-22 T09:39:39.723-05:00
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