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Buy 3 Select Tires, Get the 4th Free Instantly

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Buy 3 Select Tires, Get the 4th Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 8/18/16 through 8/24/16.

176_220_MM12R
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  • Part #: MM12R |
  • SKU: 118712

Available tomorrow

Pay in Store Available

    • Helps improve fuel economy
    • Cleans and lubricates fuel injectors and carburetors
Retail
$4.99
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.

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
Restrictions
  • This item must be picked up in the store as it may contain materials which are flammable or corrosive.


118712

Rated 4.7 out of 5 by 43 reviewers.
Rated 5 out of 5 by myster oil Have used this product for years. It always does the job. A friend saw me using it and was surprised it was still available. Told him to go to Pep Boys on the Concord Pike, and he could buy it there. August 23, 2016
Rated 5 out of 5 by Awesome product I love this product! It works wonders for my truck August 22, 2016
Rated 5 out of 5 by Works great My engine is quiter and more throttle responsive August 11, 2016
Rated 5 out of 5 by Good additive for fuel I've been using this product for years with older cars that are driving on original injectors this product has proved to maintain as well as when I began, clean injectors in my 1995 and 2000 vehicles. August 10, 2016
Rated 5 out of 5 by MYSTERY OIL I HAVE USED THIS IN ALL MY CARS. IT WORKS GREAT. BETTER GAS MILEAGE,SMOOTHER RIDE. LOVE IT August 6, 2016
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 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 Verry good product Good not only for 4 astroke eng. but also 2 strokes August 28, 2015
  • 2016-08-26 T11:43:21.302-05:00
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