Bar's Leaks PLT11 Pelletized Radiator Stop Leak 11oz - Heater Core & Gasket Fix

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$10.67

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Original packaging, never used. Sealed or unboxed but unused.

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Product details

Bar's Leaks PLT11 is a professional-grade pelletized radiator stop leak that permanently seals small-to-moderate leaks in radiators, heater cores, gaskets, and freeze plugs. The HD pelletized formula dissolves in coolant, circulates to the leak site, and forms a durable seal without engine disassembly or costly repairs. New and unopened.

Key Features:

Pelletized HD formula circulates directly to the leak source

Seals radiators, heater cores, gaskets, and freeze plugs

Compatible with all coolant types and radiator materials

Permanent seal without disassembly — trusted brand since 1947

New and unopened 11oz bottle

Technical Specifications:

Brand: Bar's Leaks

MPN: PLT11

Size: 11oz (311g)

Active Ingredient: Sodium Silicate

System: All radiator types (plastic, aluminum, metal)

Origin: Made in USA

Ideal for DIY mechanics, fleet operators, and vehicle owners needing a fast, affordable fix for small coolant leaks without shop visits or costly disassembly.