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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.

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  • Part #: 78380 |
  • SKU: 9866201

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Pay in Store Available

    • Helps maintain diesel engine performance by keeping fuel injectors clean and improving lubricity of diesel fuel
    • Save fuel by keeping injectors clean
Sale Price
$7.49
$4.90
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.

STP Diesel Treatment & Injector Cleaner

Use Regularly When You Fill Up! Formulated to help prevent deposit build-up in diesel engines. Without cleaning, these deposits can harm performance, cause corrosion and waste fuel.
  • Helps maintain diesel engine performance by keeping fuel injectors clean and improving lubricity of diesel fuel
  • Save fuel by keeping injectors clean
  • Maintain performance by preventing deposit build-up, corrosion and rust
  • Fight fuel line freeze and wax gel formation


9866201