This heavy-duty heater unit box and core assembly is designed specifically for ISUZU NRR, NPR, NPR-HD, and NQR trucks with 4HK1 5.2L or 4JJ1 3.0L engines from 2007-2024. The robust construction features a durable black housing with integrated ventilation slots for optimal airflow distribution. This complete assembly includes all necessary mounting components and is manufactured to precise specifications to ensure proper fitment and reliable performance. The unit's compact dimensions make it ideal for direct replacement while maintaining factory heating efficiency. Installation is straightforward with vehicle-specific mounting points, though professional installation may be recommended. This replacement part is designed to restore your vehicle's heating system to proper working condition. Perfect for fleet maintenance or individual truck repair needs, this heater unit helps maintain comfortable cabin temperatures in all weather conditions.
COMPATIBILITY: Direct replacement heater unit box and core assembly for Isuzu NRR NPR NPR-HD NQR models with 4HK1 5.2L and 4JJ1 3.0L engines (2007-2024)
COMPLETE ASSEMBLY: Includes fully assembled heater box unit with core, housing, and necessary mounting components for straightforward installation
CONSTRUCTION: Durable black plastic housing with integrated ventilation design and reinforced mounting points for secure fitment
QUALITY COMPONENTS: Features robust construction with precision-engineered core and integrated temperature control mechanisms for reliable performance
OEM
8980317393 / 8980317392 / 8980317403
Specifications
| SKU / Part Number | 8031739 |
|---|---|
| Brand | CHM |
| OEM | 8980317393, 8980317392, 8980317403
|
| Weight | 27.5 lb |
| Dimensions (L × W × H) | 19 in × 16 in × 15 in |
| Category | Cabin, Interior & HVAC |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 2008–2009 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR | 2008–2020 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR | 2011–2018 | 4JJ1-TC | 3.0 | Diesel |
| Isuzu | NPR | 2021–2026 | GM L8T V8 | 6.6 | Gas |
| Isuzu | NPR-HD | 2008–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR-HD | 2008–2020 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR-HD | 2021–2022 | GM L8T V8 | 6.6 | Gas |
| Isuzu | NPR-XD | 2016–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 2008–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2008–2026 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2008–2009 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2008–2009 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W4500 Tiltmaster | 2008–2010 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2008–2010 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W5500 Tiltmaster | 2008–2010 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500HD Tiltmaster | 2008–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W3500 Forward | 2008–2009 | 4HK1-TC | 5.2 | Diesel |
| GMC | W3500 Forward | 2008–2009 | GM Vortec V8 | 6.0 | Gas |
| GMC | W4500 Forward | 2008–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 2008–2010 | GM Vortec V8 | 6.0 | Gas |
| GMC | W5500 Forward | 2008–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500HD Forward | 2008–2010 | 4HK1-TC | 5.2 | Diesel |