491984 LOCTITE® SI 5920 Gasketing sealants

The LOCTITE® SI 5920 Gasketing Sealant 491984 is a premium copper-colored RTV silicone sealant designed for high-temperature applications. It provides reliable sealing for engine components like valve covers, oil pans, and exhaust flanges. This formula resists vibration, oil, and heat while maintaining flexibility to prevent cracking. Trusted by professional mechanics, this sealant is available through Wofford Truck Parts, your source for industrial-grade repair and maintenance products.

LOCTITE HENKEL CORPORATION Part No: 491984

$5.68

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)