This heavy-duty cylinder head bolt is specifically designed for ISUZU 4HE1 5.2L and 4.8L engines in NPR, NPR-HD, and NQR models from 1998-2010. Engineered to provide secure and reliable fastening of the cylinder head to the engine block, this bolt features precise threading and robust construction to maintain proper head gasket compression under high-pressure conditions. The bolt's design ensures consistent clamping force distribution, which is crucial for maintaining engine compression and preventing coolant or oil leaks. Perfect for engine rebuilds or repairs, this replacement part matches OEM specifications for proper fitment and performance. Each bolt undergoes strict quality control to ensure dimensional accuracy and material strength for long-lasting durability in demanding commercial vehicle applications.
COMPATIBILITY: Designed for ISUZU 4HE1 5.2L and 4.8L engines, specifically fitting NPR, NPR-HD, and NQR models from years 1998-2010
PRECISION ENGINEERED: High-strength cylinder head bolt manufactured to exact specifications for proper engine block assembly
CRITICAL COMPONENT: Essential hardware for securing the cylinder head to the engine block, ensuring proper compression and seal
CONSTRUCTION: Durable steel construction with precision threading for reliable installation and performance
DIRECT REPLACEMENT: Matches OEM specifications for seamless fitment and restoration of engine integrity
OEM
8970776380
Specifications
| SKU / Part Number | 7077638 |
|---|---|
| Brand | CHM |
| OEM | 8970776380, 8982600050
|
| Weight | 0.38 lb |
| Dimensions (L × W × H) | 6 in × 4 in × 1 in |
| Category | Engine Parts |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR-HD | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR-HD | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NQR | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2005–2010 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| 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 | 2005–2009 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| 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 |