Rear Brake Wheel Cylinder 8-97349708-0 8973497080 For ISUZU NPR NQR NRR N-Series 4HK1-T — OEM Verified Direct Fit, 1-3/16" Bore Cast Iron, Rear Right
OEM Verified Direct Fit Replacement - 1-3/16" Bore Cast Iron, Rear Right
The Rear Brake Wheel Cylinder with OEM numbers 8-97349708-0 / 8973497080 is a verified direct-fit replacement for ISUZU NPR, NQR, NRR, and N-Series trucks equipped with the 4HK1-T diesel engine. This critical hydraulic component converts hydraulic pressure from the master cylinder into mechanical force that pushes brake shoes against the drum to slow or stop the vehicle.
Bore Diameter: 30.16 mm (1-3/16 in / 1.188 in)
Material: Cast Iron with EPDM rubber cups and boots
Thread Specification: M10 × 1.0 inlet thread (2 ports)
Position: Rear Right (Passenger Side)
Quality: 100% Pressure Tested
- Brake fluid leak at wheel - visible wetness around backing plate
- Spongy or long-travel brake pedal - air entering system
- Uneven braking or vehicle pull during braking
- Brake fade or overheating drums
- Brake warning light illumination
| Brand | Model / Series | Engine | Years |
|---|---|---|---|
| ISUZU | NPR | 4HK1-T | 2003-2016 |
| ISUZU | NQR | 4HK1-T | 2003-2016 |
| ISUZU | NRR | 4HK1-T | 2003-2016 |
| ISUZU | N-Series | 4HK1-T | 2004-2009, 2016-2018 |
| Chevrolet | Low Cab Forward / W-Series | 4HK1-T | 2003-2010, 2016-2018 |
| GMC | W-Series | 4HK1-T | 2003-2010 |
Ensures consistent hydraulic pressure and even brake shoe actuation
Provides structural rigidity and heat resistance under sustained braking loads
Superior resistance to heat, corrosion, and brake fluid degradation
Extra protection and durability for longer service life
Better-quality seal increases the life of rubber components
Each unit individually tested to ensure leak-free performance
Maintenance Recommendations:
- Inspect wheel cylinders every 40,000-50,000 km or during brake service
- Replace wheel cylinders in axle pairs for balanced braking performance
- Flush brake fluid every 2 years to prevent seal degradation
- Inspect backing plate for fluid wetness at every oil change
- Standard individual box packaging with protective materials
- Package contents: 1 × Rear Brake Wheel Cylinder
- Available as right side only or left + right pair
- Suitable for repair shops, fleet maintenance, and distributors
- Related parts available including brake shoes, drums, and hardware kits
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