Valve Cover Gasket

PAI Industries’ Valve Cover Gasket 631281 fits Detroit Diesel Series 60 engines, crafted from durable gray silicone for reliable sealing over extended use. Sold by Wofford Truck Parts, this gasket meets or exceeds OEM standards and provides a precise, leak-free fit. Trusted for longevity and performance.

Pai Industries Part No: 631281

$32.75

Specifications

The PAI Industries Valve Cover Gasket, part number 631281, is a premium replacement designed to securely seal valve covers on Detroit Diesel Series 60 engines. Crafted from high-quality gray silicone, the 41.0-inch long gasket (0.51″ high × 0.48″ wide) ensures a robust, leak-free barrier that withstands extreme engine conditions and thermal cycling. Engineered to OEM precision, it directly replaces Detroit Diesel part numbers 23516322 and 8929863, delivering dependable performance and fitment.

Backed by PAI’s commitment to manufacturing excellence—ISO 9001 certified and made in the USA—the 631281 gasket provides reliable sealing and long service life. Ideal for commercial trucks requiring top-tier engine protection, this product is available through Wofford Truck Parts.

Weight

0.72

Compatibility

Freightliner — FLD / Columbia / Coronado / Century / Argosy — common Series 60 applications (1987–2011).

Kenworth — T600, T800, W900 (and many highway/long-haul variants that offered Series 60 option) — common 1987–2011.

Peterbilt — 377 / 378 / 379 / 386 / 388 (models that were often ordered with Series 60 engines) — common 1987–2011.

Western Star — 4900 / 4700 / other vocational/highway models (Series 60 offered on many configurations) — 1990s–2011.

Sterling — Acterra / A-Line / various Sterling highway/vocational trucks (Series 60 available on many Sterling models) — late 1990s–2009/2010.

International / Navistar — select models when equipped with Detroit Series 60 (some transit/bus/coach and line-haul rigs) — varies by model & year.

Bus / Coach / RV / Specialty — many coaches, motorcoaches, and vocational units used Series 60 (Neoplan, certain transit buses, motorhomes, marine/generator conversions).