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Specifications

LOCTITE® SI 5920 Gasketing Sealant 491984 from LOCTITE HENKEL CORPORATION is a high-temperature, copper-colored RTV silicone sealant formulated for use on flexible metal parts and flanges. It provides superior adhesion, vibration resistance, and durability under extreme heat and pressure conditions. Ideal for sealing engines, gearboxes, and exhaust systems, this sealant replaces pre-cut gaskets and resists oil and coolant exposure. Available at Wofford Truck Parts, it’s perfect for heavy-duty truck and industrial maintenance.
Weight
0.38

Compatibility

Freightliner Cascadia (2008–2025)
Kenworth T680 (2013–2025)
Peterbilt 389 (2007–2025)
Volvo VNL (2008–2025)
Mack Anthem (2018–2025)
International LT Series (2017–2025)
Western Star 4900 (2015–2025)

Alternative Part Numbers

  • OEM: LOCTITE® SI 5920
  • 3M 08732
  • AC Delco 12378521
  • CRC 05010
  • Henkel 59203
  • John Deere TY16516
  • NAPA 765-1535
  • Permatex 59230
  • TRU-SI5920COPPER

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