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Specifications

The PAI INDUSTRIES 631450 Oil Cooler Gasket Kit is a comprehensive engine sealing solution engineered for Detroit Diesel DD15 and DD16 heavy‑duty diesel engines. This kit combines multiple components — including the primary oil cooler gasket, molded gasket, seal rings, housing gasket and O‑rings — to provide complete sealing for the oil cooler system, preventing leaks and maintaining optimal performance. Built to match multiple OEM cross references such as A4721841980, A4721881080, A4721840080 and A4729970545, this gasket kit is ideal for professional mechanics and fleet maintenance operations requiring dependable replacement parts with lasting durability and precise fit.


Weight
1.6

Compatibility

Freightliner Cascadia – 2008 to present
Western Star 49X Series – 2010s to present
Western Star 57X Series – 2010s to present
Freightliner Coronado / Century Class / Columbia – 2008 to 2017
Other Class 8 vocational and highway trucks with Detroit DD15 or DD16 engines – 2008 onward

Alternative Part Numbers

  • A4721840080
  • A4721841980
  • A4721881080
  • A4721881580
  • A4729970545

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