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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 5/19/16 through 5/25/16.


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Showing  Marvel Mystery Oil Oil and Fuel Additive 
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Marvel Mystery Oil Oil and Fuel Additive

Part # MM12R   SKU: 118712
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Price
$4.99 / ea
Quantity
$4.99
Subtotal
$4.99
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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
Restrictions
  • This item must be picked up in the store as it may contain materials which are flammable or corrosive.


118712

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 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
Rated 5 out of 5 by Marvel Mystery Oil Wonderful all year product August 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 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 5 out of 5 by Always used it and always will! I have used this in my cars and motorcycles for years. If you ever wondered why Diesel engines last so long, this is why. Diesel fuel is essentially an "Oil". It lubricates the upper cylinders and valves/injectors etc... Add a little to your fuel tank at fill up and listed to how quiet your engine gets and how smooth it feels. Get it on sale with the 30-35% coupons! July 17, 2015
  • 2016-05-22 T12:50:29.897-05:00
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