Loctite 491985 LOCTITE® SI 598 Black, flexible, RTV silicone sealant Part No: 491985
$6.10
The LOCTITE® SI 598 Black RTV Silicone Sealant 491985 provides reliable sealing for metal and plastic components in high-temperature and oil-rich environments. It creates flexible gaskets that resist vibration, heat, and oil degradation. Perfect for valve covers, oil pans, and transmission housings, it’s ideal for heavy-duty trucks and industrial applications. Available from Wofford Truck Parts, this black RTV silicone is trusted by professionals for dependable sealing.
Specifications
LOCTITE® SI 598 Black RTV Silicone Sealant 491985 from LOCTITE HENKEL CORPORATION is a flexible, oil-resistant sealant designed for use in high-temperature automotive and industrial environments. It replaces pre-cut gaskets on valve covers, oil pans, and timing covers. The sealant resists vibration, oil, and thermal cycling while maintaining flexibility to prevent cracking or shrinkage. Ideal for heavy-duty truck maintenance, this product is available through Wofford Truck Parts for superior, long-lasting gasket performance.
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)
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 598
- 3M 08733
- AC Delco 12378523
- CRC 05011
- Henkel 59803
- John Deere TY16518
- NAPA 765-1536
- Permatex 59830
- TRU-SI598BLACK
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