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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code 25PEP in Cart

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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code 25PEP 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 12/12/16. Online orders scheduled for in-store pick up must be completed by closing on 12/11/16 for discount to apply.

Free Shipping on Orders Over $50 or in-store pickup
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132_215_158-0794
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  • Part #: 158-0794|
  • SKU: 393120

5 days after 6 p.m.


    • Quality construction & materials
    • Reduce Engine Knocking
Retail
$45.99
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.

Beck/Arnley Knock Sensor

Sensor mounted near the cylinder bores in the cylinder block. Used to detect engine knocking and to retard the ignition correspondingly in order to prevent engine damage. Restores your engine from making knocks or noise.
  • Quality construction & materials
  • Reduce Engine Knocking
  • Located near cylinder bores in cylinder block


393120