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3M™ Thread Sealant 4291

Rugged water-based thread sealant designed to withstand the harshest engine environments

3M™ Thread Sealant 4291 is a water-based product designed to be pre-applied to threaded fasteners. It has excellent resistance to automotive fluids and can withstand high temperatures and pressures. Typical applications are threaded fasteners for the engine compartment.

  • Automotive
3M™ Thread Sealant 4291

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