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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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25% Off Select Parts and Accessories
Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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  • Part #: ASLC16|
  • SKU: 8379719

Available tomorrow

Pay in Store Available

    • Stops Radiator Leaks Safely, Quickly and Easily
    • Compatible with ALL antifreeze and coolants
Retail
$6.39
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.

AlumAseal 16oz AlumAseal Radiator Stop Leak

AlumAseal has been sealing radiator and heater core leaks for over 75 years. AlumAseal is safe for all cooling system parts and is compatible with all antifreeze, including extended life coolants and DEX-COOL.
  • Stops Radiator Leaks Safely, Quickly and Easily
  • Compatible with ALL antifreeze and coolants
  • Safe for all metal, plastic, and rubber cooling system parts.
  • GUARANTEED to work


8379719

AlumAseal 16oz AlumAseal Radiator Stop Leak is rated 3.0 out of 5 by 2.
Rated 5 out of 5 by from Radiator Stop Leak Does a good job of stopping minor leaks in radiators
Date published: 2016-09-20
Rated 1 out of 5 by from No Value It's not effective on any leaks around the seal.
Date published: 2015-11-01
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