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Specifications

The PAI Industries 331621 Front Structure Gasket Set offers reliable sealing solutions for the front structure of Caterpillar C15 series engines. Engineered and manufactured in the USA, this complete gasket set replaces OEM part CAT4373324 and is ideal for engine rebuilds, front‑end service, or maintenance projects where head‑gasket‑to‑block sealing is critical. Its robust construction and precise fit help maintain structural integrity and prevent oil, coolant, and pressure leaks in heavy duty commercial applications. Backed by PAI’s longstanding reputation for quality and sold by Wofford Truck Parts, the 331621 gasket set supports longevity and dependable operation in demanding truck engine environments.
Weight
3.78

Compatibility

Freightliner Century Class — 1996–2010
Freightliner Coronado — 2001–present
Freightliner FLD Series — 1987–2010
Peterbilt 379 — 1987–2007
Kenworth W900 — 1990s–2000s
Volvo VN Series — 1990s–2000s
International 9900 / 9800 — 1990s–2000s

Alternative Part Numbers

  • 4373324
  • CAT4373324

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