This heavy-duty exhaust manifold gasket is precision-engineered for ISUZU NPR and NQR models equipped with 4HE1 4.8L or 4HK1 5.2L engines from 1998-2011. Crafted with durable materials to withstand high temperatures and pressure, this gasket ensures a reliable seal between the exhaust manifold and cylinder head. The multi-layer steel construction provides excellent compression recovery and prevents exhaust leaks, maintaining optimal engine performance. Its perfect fit design features strategically placed bolt holes for proper alignment during installation. This replacement gasket helps eliminate exhaust leaks that can cause noise and performance issues, making it an essential component for engine maintenance and repair work on ISUZU commercial vehicles.
COMPATIBILITY: Direct fit for ISUZU NPR NQR models with 4HE1 4.8L and 4HK1 5.2L engines from years 1998-2011
CONSTRUCTION: Precision-engineered metal gasket designed to create a secure seal between exhaust manifold and cylinder head
DURABILITY: Heavy-duty construction withstands high temperatures and pressure for reliable long-term performance
DESIGN: Multi-layer steel composition with reinforced edges to prevent exhaust leaks and maintain proper exhaust flow
FITMENT: Features precise bolt holes and port openings matching OEM specifications for hassle-free installation
OEM
8971464992 / 8971464991
8971464990 / 8971058661
Specifications
| SKU / Part Number | 7146499 |
|---|---|
| Brand | CHM |
| OEM | 8971464992, 8971464991, 8971464990, 8971058661
|
| Weight | 0.31 lb |
| Dimensions (L × W × H) | 20 in × 5 in × 1 in |
| Category | Exhaust & Emissions Gaskets, Seals & O-Rings |
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 |