This heavy-duty front axle knuckle is designed specifically for Isuzu NRR, NQR, NPR, and NPR-HD trucks equipped with 4HE1 or 4HK1 engines from 1999-2025. Precision-engineered for the left driver side, this steering knuckle component is a crucial part of your vehicle's front suspension and steering system. Manufactured to meet rigorous quality standards, this replacement part features robust construction with high-grade steel and precise machining to ensure proper fit and function. Perfect for fleet maintenance or individual repairs, this part helps restore your vehicle's original steering performance and stability.
COMPATIBILITY: Fits Isuzu NRR, NQR, NPR, and NPR-HD trucks with 4HE1 or 4HK1 engines from 1999-2025, designed for left driver side front axle replacement
CONSTRUCTION: Heavy-duty cast iron construction ensures maximum durability and reliable performance under demanding conditions
DESIGN FEATURES: Integrated mounting points and precise machining ensure proper wheel alignment and optimal steering geometry
OEM
8972306840 / 8972615500 / 8972615501
8972615502 / 8972615503 / 8972615504
8972615360
Specifications
| SKU / Part Number | 7230684 |
|---|---|
| Brand | CHM |
| OEM | 8972306840, 8972615500, 8972615501, 8972615502, 8972615503, 8972615504, 8972615360
|
| Weight | 12.5 lb |
| Dimensions (L × W × H) | 11 in × 8 in × 6 in |
| Category | Wheel, Hub & Axle |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR | 1999–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| Isuzu | NPR | 2003–2020 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR | 2011–2018 | 4JJ1-TC | 3.0 | Diesel |
| Isuzu | NPR | 2021–2026 | GM L8T V8 | 6.6 | Gas |
| Isuzu | NPR-HD | 2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR-HD | 2004–2020 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR-HD | 2005–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR-HD | 2021–2022 | GM L8T V8 | 6.6 | Gas |
| Isuzu | NPR-XD | 2016–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NQR | 2005–2026 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2005–2026 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1999–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| Chevrolet | W3500 Tiltmaster | 2003–2009 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W3500 Tiltmaster | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004–2010 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W4500 Tiltmaster | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500 Tiltmaster | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W5500 Tiltmaster | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500HD Tiltmaster | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W3500 Forward | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W3500 Forward | 1999–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| GMC | W3500 Forward | 2003–2009 | GM Vortec V8 | 6.0 | Gas |
| GMC | W3500 Forward | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W4500 Forward | 2004–2010 | GM Vortec V8 | 6.0 | Gas |
| GMC | W4500 Forward | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500 Forward | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W5500 Forward | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500HD Forward | 2005–2010 | 4HK1-TC | 5.2 | Diesel |











