Seal blown gaskets and stop engine leaks fast with BlueDevil Products 38386 Head Gasket Sealer – 1 Quart. This professional-grade formula is a trusted solution for repairing blown head gaskets, warped or cracked heads, heater core leaks, and freeze plug leaks—all without dismantling your engine.
Made for ease and efficiency, BlueDevil’s no-solid, non-clogging formula permanently bonds to metal, aluminum, cast, alloy, or plastic surfaces, making it 100% safe for both gasoline and diesel engines. Whether you're a weekend mechanic or a pro, just pour it in and drive—no special tools or mechanical experience required.
Perfect for keeping high-mileage vehicles running strong, it’s compatible with 4-cylinder, 6-cylinder, and 8-cylinder engine configurations and is a proven long-term solution, not just a temporary fix.
Key Features:
Seals blown head gaskets, heater core leaks, freeze plug leaks, and more
Works on gasoline and diesel engines
Bonds to all types of engine materials (metal, plastic, aluminum, alloy)
Non-clogging, no solid matter – safe and easy to use
1-quart bottle treats larger engine systems efficiently
No need to remove thermostat or flush system beforehand
Cross-SKU Pairings for Complete Engine Repair:
Need a smaller bottle for compact cars? Try the BlueDevil 00209 Pour-N-Go Head Gasket Sealer - 16 oz
For cooling system restoration, add BlueDevil Radiator Flush – 32 oz
Complete your engine care kit with BlueDevil Engine Oil Stop Leak – 8 oz for sealing oil system leaks
Bundle with the BlueDevil 00201 Rear Main Sealer – 8 oz to target leaks at the crankshaft seal
