This heavy-duty 12V starter/glow plug relay is specifically designed for Isuzu NPR, NQR, and NPR-HD diesel engines, including 4HE1, 4JJ1, and 4HK1 5.2L models from 1994-2025. This relay serves as a crucial component in your vehicle's starting system, controlling the high-current flow to the starter motor and glow plugs. The compact design ensures easy installation while maintaining reliable performance in demanding conditions. Perfect for maintaining or replacing worn relays to ensure consistent cold starts and proper engine operation. Compatible with various Isuzu commercial vehicles and features the necessary specifications for seamless integration with existing electrical systems.
COMPATIBILITY: Designed for Isuzu NPR, NQR, NPR-HD models with 4HE1, 4JJ1, and 4HK1 5.2L diesel engines from 1994-2025
VOLTAGE RATING: 12V DC electrical system compatible relay for reliable starting and glow plug operation
INSTALLATION: Direct OEM replacement relay featuring plug-and-play design for straightforward installation
FUNCTIONALITY: Dual-purpose relay that controls both starter engagement and glow plug operation for diesel engine starting
OEM
8971739510 / 8970363581
Specifications
| SKU / Part Number | 7173951 |
|---|---|
| Brand | CHM |
| OEM | 8971739510, 8970363581
|
| Weight | 0.19 lb |
| Dimensions (L × W × H) | 3 in × 3 in × 3 in |
| Category | Electrical & Lighting Sensors, Switches & Relays |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Isuzu | NPR | 1995–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| Isuzu | NPR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR | 2003–2016 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR | 2011–2016 | 4JJ1-TC | 3.0 | Diesel |
| Isuzu | NPR-HD | 2003–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR-HD | 2004–2007 | GM Vortec V8 | 6.0 | Gas |
| Isuzu | NPR-HD | 2005–2016 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NQR | 2005–2016 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2005–2016 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1995–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| Chevrolet | W3500 Tiltmaster | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2003–2009 | GM Vortec V8 | 6.0 | Gas |
| Chevrolet | W3500 Tiltmaster | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2003–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004–2007 | 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 | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| GMC | W3500 Forward | 1995–2002 | GM Vortec L31 V8 | 5.7 | Gas |
| GMC | W3500 Forward | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W3500 Forward | 2003–2009 | GM Vortec V8 | 6.0 | Gas |
| GMC | W3500 Forward | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 2003–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W4500 Forward | 2004–2007 | 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 |