8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Head Gasket Stop Leak Prestone Products 16.5 oz
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Head Gasket Stop Leak Prestone Products 16.5 oz

Part #: PAF AS663Y
Line: Prestone

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Features & Benefits

Warranty: Standard : Products Are Free Of Defects And Meets Standard Specifications


Prestone® Triple Seal Protection™ Stop Leak made with DuPont™ Kevlar®** for Radiator, Engine Block, and Head Gasket are revolutionary stop leak products from the leader in cooling system innovation. These products stop leaks fast and seal them permanently without blocking or corroding the cooling system. The effervescent beads break down and quickly locate the leak, while the DuPont™ Kevlar™ resin forms a web that binds to metals, and an acrylic polymer hardens and secures the seal to make it permanent.

  • Fast Acting Effervescent Beads That Quickly Break Down
  • Fast Acting Beads - Quickly Locate Leaks
  • Kevlar® Resin That Binds To Metal And Gives
  • Will Not Block Or Corrode
  • Safe For All Cooling Systems
  • Acrylic Hardener Makes The Seal


Brand Prestone
Container Size 16.5 fl oz (US)
Manufacturer Prestone Products
VMRS Code 053-999-173

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