Keep your ISUZU NPR, NPR-HD, NQR, or NRR running at optimal temperature with this pair of OEM high-quality thermostats. Designed specifically for 4HE1 4.8L and 4HK1 5.2L engines (1998-2024), these thermostats regulate coolant flow with precision at 82°C and 85°C operating temperatures. The vehicle-specific fit ensures proper installation and reliable performance for your commercial truck's cooling system.  Installation is straightforward with no assembly required, and the product includes a 1-year manufacturer warranty for added peace of mind.

COMPATIBILITY: Designed for ISUZU NPR NPR-HD NQR NRR models with 4HE1 4.8L and 4HK1 5.2L engines, years 1998-2024

TEMPERATURE RATING: Includes two thermostats rated at 82°C and 85°C for optimal engine cooling performance

DURABILITY: Constructed with high-quality materials for long-lasting performance

OEM

8973007903 / 8973007902 / 8973007901 / 8973007900

8972631910 / 8972334180 / 8972318900 / 8971674980

8970918060 / 8943703772 / 8943703771

8973007873 / 8973007872 / 8973007871 / 8973007870

8972631940 / 8972318870 / 8971674950 / 8971645690

8970286902 / 8943703781