This Oil Cooler Repair Kit Gasket Set is specifically designed for ISUZU NRR, NQR, NPR, and NPR-HD models equipped with 4HE1 4.8L or 4HK1 5.2L engines, covering model years 1998 through 2010. The comprehensive gasket set includes all the essential seals and gaskets needed to properly service and repair your oil cooler system, helping to prevent leaks and maintain optimal engine performance. Constructed from durable materials, these gaskets are engineered to withstand extreme temperature. Whether you're performing routine maintenance or addressing oil cooler issues, this gasket set provides the quality components necessary to restore proper function to your ISUZU truck's cooling system.