This heavy-duty exhaust brake vacuum power chamber is specifically designed for ISUZU NPR and NQR trucks equipped with 4HK1, 4HE1, and 4HG1T engines from 1998-2007. The robust black-coated chamber features a durable construction with precision-threaded mounting points and an integrated vacuum line connection. This essential component helps control exhaust braking function, providing enhanced vehicle control during downhill operation and reducing wear on conventional brake systems. The unit comes complete with mounting hardware and is built to meet original equipment specifications for reliable performance and straightforward installation. Perfect for fleet maintenance or individual truck repair needs, this vacuum power chamber ensures proper exhaust brake operation for improved vehicle safety and control.
COMPATIBILITY: Direct fit replacement for ISUZU NPR NQR trucks equipped with 4HK1, 4HE1, and 4HG1T engines from 1998-2007
FUNCTION: Heavy-duty vacuum power chamber designed to control exhaust brake system operation for enhanced braking performance
CONSTRUCTION: Durable black powder-coated steel housing with integrated mounting points and threaded connectors for secure installation
DESIGN FEATURES: Built with a reinforced diaphragm and precise vacuum control mechanism for reliable operation under demanding conditions
SPECIFICATIONS: Includes mounting hardware and vacuum line connection port for straightforward replacement of original equipment
OEM 8980704700
Specifications
| SKU / Part Number | 8070470 |
|---|---|
| Brand | GoTrucky |
| OEM | 8980704700
|
| Weight | 1.38 lb |
| Dimensions (L × W × H) | 7 in × 4 in × 4 in |
| Category | Exhaust & Emissions |
Compatibility
| Make | Model | Years | Engine | Liters | Fuel |
|---|---|---|---|---|---|
| Isuzu | NPR | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Isuzu | NPR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NPR-HD | 2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NPR-HD | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NQR | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Isuzu | NQR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Isuzu | NRR | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| Chevrolet | W3500 Tiltmaster | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W3500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W4500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500 Tiltmaster | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| Chevrolet | W5500 Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| Chevrolet | W5500HD Tiltmaster | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W3500 Forward | 1995–1998 | 4BD2-TC | 3.9 | Diesel |
| GMC | W3500 Forward | 1998–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W3500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W4500 Forward | 2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W4500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500 Forward | 1999–2004 | 4HE1-TC | 4.8 | Diesel |
| GMC | W5500 Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |
| GMC | W5500HD Forward | 2005–2007 | 4HK1-TC | 5.2 | Diesel |