This heavy-duty heater unit box and core assembly is designed specifically for ISUZU NRR, NPR, NPR-HD, and NQR trucks equipped with 4HE1 4.8L or 4HK1 5.2L engines from 1998-2007. The robust construction features a durable black housing with integrated ventilation channels and precision-engineered components for optimal heat distribution. This complete assembly includes all necessary mounting points and connections, making it a direct replacement for your vehicle's original equipment. The unit comes with pre-installed actuators and blend doors to control airflow effectively. Built to withstand demanding commercial use, this heater assembly ensures reliable cabin climate control in all weather conditions. Installation requires vehicle-specific fitting, and the compact design maintains original specifications. This replacement part is manufactured to meet strict quality standards for lasting performance in commercial vehicles.
COMPATIBILITY: Direct replacement heater unit box with core designed for ISUZU NRR NPR NPR-HD NQR trucks with 4HE1 4.8L and 4HK1 5.2L engines from 1998-2007
COMPLETE ASSEMBLY: Includes fully assembled heater box unit with integrated core and necessary mounting components for straightforward installation
CONSTRUCTION: Durable black plastic housing with reinforced mounting points and integrated heat exchanger core for reliable performance
DIRECT FIT: Vehicle-specific design ensures proper fitment and function, matching OEM standarts
QUALITY ASSURANCE: Manufactured to meet or exceed original equipment specifications with 1-year manufacturer warranty coverage
OEM
8971747336 / 8971888405 / 8971747335
8971747334 / 8971747333 / 8971747332
8971747331 / 8971747330 / 8970698143
8970698142 / 8970698141 / 8982385000
Specifications
| SKU / Part Number | 7174733 |
|---|---|
| Brand | Aftermarket |
| OEM | 8971747336, 8971888405, 8971747335, 8971747334, 8971747333, 8971747332, 8971747331, 8971747330, 8970698143, 8970698142, 8970698141, 8982385000
|
| Weight | 21.25 lb |
| Dimensions (L × W × H) | 18 in × 14 in × 14 in |
| Category | Cabin, Interior & HVAC |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Isuzu | NPR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR-HD | 2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR-HD | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR-HD | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NQR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W3500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W4500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500 Tiltmaster | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W5500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500HD Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W3500 Forward | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| GMC | W3500 Forward | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W3500 Forward | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| GMC | W3500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W4500 Forward | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| GMC | W4500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500 Forward | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W5500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500HD Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |