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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.

Advantages

  • Environmental resistance to heat and automotive fluids
  • Can be used on both pipe and straight heads
  • Extended shelf life (12 months on coated fasteners)
  • Water-based sealants with no VOCs

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Manufacturing Specs

ManufacturerSpec
DaimlerChrysler
MS-CD16