Keep your engine running at optimal temperature with this precision-engineered 82°C coolant thermostat, specifically designed for Isuzu NPR, NPR-HD, NQR, and NRR models equipped with 4HE1 4.8L or 4HK1 5.2L engines (1998-2024). This thermostat features a robust stainless steel spring construction and brass components for lasting durability. It regulates coolant flow with precise temperature control, helping prevent engine overheating and maintaining efficient operation. The thermostat opens at 82°C (180°F) to allow proper coolant circulation through the engine. Installation is straightforward with its direct-fit design, ensuring proper sealing and functionality. This replacement part is compatible with various Isuzu commercial truck applications, making it an essential component for maintaining your vehicle's cooling system performance.

COMPATIBILITY: Direct fit replacement thermostat for Isuzu NPR, NPR-HD, NQR, and NRR models with 4HE1 4.8L and 4HK1 5.2L engines from 1998-2024

TEMPERATURE RATING: Precisely engineered to open at 82 degrees Celsius (180 degrees Fahrenheit) for optimal engine operating temperature

CONSTRUCTION: Features durable stainless steel spring and brass components for long-lasting performance and reliability

DESIGN: Compact spiral design ensures smooth operation and consistent temperature regulation for improved engine efficiency

INSTALLATION: Comes with pre-attached seal for proper fitment and prevention of coolant leaks during operation

OEM

8973007901 / 8973007902 / 8973007903 / 8973007900

8972631910 / 8972334180 / 8972318900 / 8971674980

8970918060 / 8943703772 / 8943703771