EGR Cooler Assembly For Isuzu NPR-HD, NRR, NQR, W5500, 4HK1, 5.2L, 4HE1 4.8L 2004-2007 OEM
High-quality EGR Cooler Assembly for Isuzu trucks compatible with NPR-HD, NRR, NQR, and W5500 models equipped with 4HK1 5.2L and 4HE1 4.8L diesel engines. This OEM replacement part regulates exhaust gas temperature, prevents EGR overheating, and maintains emission control efficiency.
$1,063.92
The EGR cooler assembly is a critical component of the exhaust gas recirculation (EGR) system, responsible for cooling exhaust gases before they are recirculated into the engine intake. Proper cooling reduces combustion temperatures, lowers nitrogen oxide (NOx) emissions, and improves engine efficiency.
A worn or damaged EGR cooler may lead to engine overheating, reduced performance, smoke emissions, or even EGR system failure. Installing a high-quality OEM EGR cooler assembly restores proper cooling and ensures the EGR system operates efficiently.
This OEM EGR cooler assembly is designed for Isuzu NPR-HD, NRR, NQR, and W5500 trucks manufactured between 2004 and 2007, equipped with 4HK1 5.2L and 4HE1 4.8L diesel engines. Built to withstand extreme temperatures and heavy-duty usage, it delivers long-lasting reliability and emission control compliance.
Key Features & Benefits
• OEM-quality EGR cooler assembly for Isuzu trucks
• Cools exhaust gases before recirculation into the intake system
• Helps reduce NOx emissions and combustion temperatures
• Prevents EGR system overheating and engine damage
• Direct replacement for Isuzu NPR-HD, NRR, NQR, and W5500 models
• Durable design for long-lasting performance in heavy-duty trucks
• Maintains engine efficiency, emission compliance, and reliability
Engine Compatibility
• Isuzu 4HK1 5.2L Diesel Engine
• Isuzu 4HE1 4.8L Diesel Engine
Vehicle Applications
Compatible with the following Isuzu trucks (2004-2007):
• Isuzu NPR-HD
• Isuzu NRR
• Isuzu NQR
• Isuzu W5500
Frequently Asked Questions
1. What does an EGR cooler assembly do?
The EGR cooler assembly cools exhaust gases before recirculating them into the engine intake, reducing combustion temperatures and NOx emissions.
2. Which vehicles are compatible with this EGR cooler?
This cooler fits Isuzu NPR-HD, NRR, NQR, and W5500 trucks manufactured between 2004 and 2007.
3. Which engines are supported?
It is compatible with the 4HK1 5.2L and 4HE1 4.8L diesel engines.
4. What are symptoms of a faulty EGR cooler?
Common signs include engine overheating, excessive smoke, reduced performance, or EGR system error codes.
5. Is this an OEM replacement part?
Yes, this EGR cooler assembly is manufactured to OEM specifications for proper fit and reliable operation.
6. Why is the EGR cooler important?
It ensures the EGR system operates safely by controlling exhaust gas temperature, reducing emissions, and protecting engine components.
