Rear Brake Wheel Cylinder 8-97358878-0 8973588780 For ISUZU NPR NQR NRR N-Series 4HK1-T — OEM Verified Direct Fit, 1-5/16" Bore Cast Iron, Rear Left
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Rear Brake Wheel Cylinder 8-97358878-0 8973588780
Product Overview
Verified direct-fit replacement rear brake wheel cylinder for ISUZU NPR, NQR, NRR, and N-Series trucks with 4HK1-T diesel engine (2004-2018). This critical hydraulic component converts pressure from the master cylinder into mechanical force to activate rear drum brakes.
Bore Diameter
33.34 mm (1-5/16") - Precision-honed to OEM specification
Material
Cast iron body with EPDM rubber cups and boots
Thread Specification
2 × M10 × 1.0 inlet threads
Position
Rear Left (Driver Side)
Failure Symptoms & Replacement Indicators
- Brake fluid leak at wheel - Visible wetness around backing plate
- Spongy or long-travel brake pedal - Air entering system through failed seal
- Uneven braking or vehicle pull - Imbalanced cylinder force
- Brake fade or overheating drums - Extended stopping distances
- Brake warning light illumination - Dashboard indicator activation
⚠️ Critical Safety Note: Ignoring symptoms can lead to fluid loss, damaged components, and complete braking failure on one rear wheel - creating serious safety hazards for commercial vehicles.
Technical Specifications
Part Number:
8-97358878-0 8973588780
Product Name:
Brake Wheel Cylinder
Car Model:
ISUZU NPR NQR NRR N-Series
Engine Model:
ISUZU 4HK1-T
Condition:
100% Brand New
Material:
High-strength aluminum alloy & precision bearings
Vehicle Compatibility
| Brand | Model / Series | Engine | Years |
|---|---|---|---|
| ISUZU | NPR | 4HK1-T | 2004-2016 |
| ISUZU | NQR | 4HK1-T | 2004-2016 |
| ISUZU | NRR | 4HK1-T | 2004-2016 |
| ISUZU | N-Series | 4HK1-T | 2004-2009, 2016-2018 |
| Chevrolet | W-Series | 4HK1-T | 2004-2010 |
| GMC | W-Series | 4HK1-T | 2009-2010 |
Important Fitment Notes: This is a rear left (driver side) wheel cylinder. Bleeder screw not included. Replace in axle pairs for balanced braking performance. Always verify OEM number against vehicle documentation.
Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| Bore diameter / roundness | Precision bore gauge inspection (33.34 mm) |
| Piston fitment | Go/no-go gauge verification |
| Housing material | Spectrometer analysis (cast iron composition) |
| Rubber cup integrity | Visual and dimensional inspection (EPDM) |
| Pressure integrity | 100% hydrostatic pressure test |
| Thread specification | Thread gauge inspection (M10 × 1.0) |
Each unit undergoes 100% pressure testing before packaging. Manufacturing conforms to OEM specification standards for hydraulic brake components.
Installation & Maintenance
⚠️ PROFESSIONAL INSTALLATION REQUIRED: Brake system service requires expert knowledge. Refer to ISUZU workshop manual. Improper installation can cause brake failure and serious injury.
Maintenance Schedule
- Inspect wheel cylinders every 40,000-50,000 km or during brake service
- Replace wheel cylinders in axle pairs for balanced braking
- Flush brake fluid every 2 years to prevent seal degradation
- Inspect backing plate for fluid wetness at every oil change
Packaging & Supply
- Standard packing: Individual box with protective packaging
- Package contents: 1 × Rear Brake Wheel Cylinder
- Installation hardware and bleeder screw not included
- Available as left side only or left + right pair
- Suitable for repair shops, fleet maintenance, and distributors
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James