K-Seal

K-Seal ST5516 is a one-step, heavy-duty coolant leak repair that mixes with any antifreeze so you can pour it in and get moving again without flushing the system. If you need a fast, robust stop-gap for coolant loss on large or industrial engines, this...

K-Seal ST3501 Pour & Go Head Gasket Sealer (16 oz) is a concentrated coolant additive designed to repair blown head gaskets, hairline cracks in heads and porous engine blocks without disassembly. When a cooling system leak threatens engine function, the K-Seal ST3501 offers a...