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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 #: ASBP|
  • SKU: 1064603

Available today

Pay in Store Available

    • Stops Radiator and Heater Cores Leaks Safely, Quickly and Easily
    • Compatible with ALL antifreeze and coolants
Retail
$3.39
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 Radiator Stop Leak Powder

AlumAseal Radiator Stop Leak Powder is compatible with ALL antifreeze and coolants. AlumAseal Powder stops leaks and prevents cooling system damage.
  • Stops Radiator and Heater Cores Leaks Safely, Quickly and Easily
  • Compatible with ALL antifreeze and coolants
  • Safe for metal, plastic, and rubber cooling parts
  • GUARANTEED to work


1064603

AlumAseal Radiator Stop Leak Powder is rated 3.0 out of 5 by 4.
Rated 4 out of 5 by from Slow Leak I have a very small leak and didn't want some big bill replacing something just yet. Only leaks while driving.
Date published: 2016-10-08
Rated 2 out of 5 by from works in a pinch (when needed) it works to seal/stops leaks without clogging up other components
Date published: 2015-10-16
Rated 5 out of 5 by from Sealed my radiator the first try Every time I parked I had coolant leaking from the radiator. Thought I would give this product a try before having to spend any more money on this vehicle. After putting the sealer in the cooling system and heating up the engine for about 15 minutes, the leak was gone. So glad it worked for me.
Date published: 2015-03-22
Rated 1 out of 5 by from Not worth the money Product caused more damage than it fixed. Spend the extra money and time tracking down the K-Seal. The cheap flake products like this one clog the thermostat causing overheating and more work to be needed.
Date published: 2015-01-28
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