This EGR cooler assembly is  an OEM part for ISUZU NPR, NPR-HD, NQR, and NRR trucks equipped with the 4HK1 5.2L diesel engine from 2007 to 2010. It reduces exhaust gas temperatures before recirculation into the intake system, helping lower combustion temperatures and support proper emissions system operation. Manufactured to OEM dimensional and flow specifications, this EGR cooler ensures correct fitment, efficient heat dissipation, and reliable exhaust gas flow. Ideal for replacing clogged, leaking, or heat-damaged EGR coolers that can cause performance issues, fault codes, or overheating.

OEM Part — Designed to match factory mounting points, coolant passages, and exhaust connections for proper installation

Vehicle Compatibility — Fits ISUZU NPR, NPR-HD, NQR, and NRR trucks (2007–2010) with the 4HK1 5.2L diesel engine

Efficient Exhaust Gas Cooling — Lowers EGR gas temperatures to help maintain proper combustion and emissions control

Supports Emissions System Function — Helps prevent EGR-related fault codes and restores proper exhaust recirculation performance

Heavy-Duty Construction — Built to withstand high exhaust temperatures, pressure, and continuous commercial operation

Direct Replacement Assembly — Installs directly in place of the original EGR cooler using factory hardware and connections; no modifications required

OEM

8980252486 / 8980252485

8980252484 / 8980252483