Rear Brake Wheel Cylinder 8-97332225-0 8973322250 8-97139854-0 for ISUZU NPR N-Series 4HG1 4.6L Diesel — OEM 1-5/16" Rear Drum Brake Cylinder
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Rear Brake Wheel Cylinder 8-97332225-0 8973322250 8-97139854-0 for ISUZU NPR N-Series 4HG1 4.6L Diesel — OEM 1-5/16" Rear Drum Brake Cylinder
Product Overview
The Rear Brake Wheel Cylinder with OEM numbers 8-97332225-0 (also listed as 8973322250) and 8-97139854-0 (also listed as 8971398540) is a verified direct-fit replacement for ISUZU NPR and compatible N-Series trucks equipped with the 4HG1 diesel engine.
Important Fitment Note: Part numbers 8-97332225-0 (8973322250) and 8-97139854-0 (8971398540) are interchangeable for these appliions. The Raybestos WC370005 is a cross-reference for this cylinder.
OEM Specifiion
Verified by ISUZU OEM part numbers 8-97332225-0, 8973322250, 8-97139854-0, 8971398540
Precision 1-5/16" (33.3mm) Bore
Delivers consistent hydraulic pressure for reliable braking performance
Proven Durability
Constructed from high-grade materials with EPDM rubber components for superior heat and corrosion resistance
Broad Compatibility
Fits ISUZU NPR (1991-1993) and N-Series trucks with 4HG1 engine
Failure Symptoms
If your rear brake wheel cylinder is failing, you may experience one or more of the following symptoms:
- Brake Fluid Leakage: Visible fluid seeping from the rear wheels or inside the brake drum
- Soft or Spongy Brake Pedal: Pedal feels unusually soft or goes to the floor
- Reduced Braking Performance: Vehicle takes longer to stop or requires increased pedal pressure
- Uneven Braking: Vehicle pulls to one side during braking
- Contaminated Brake Shoes: Brake fluid soaking into the brake shoes, causing reduced friction
A failing brake wheel cylinder can lead to reduced braking performance and potential brake failure. For optimal performance, it is strongly recommended to replace brake wheel cylinders in pairs.
Vehicle & Engine Compatibility
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HG1 4.6L Diesel | 1991-1993 |
| ISUZU | NPR | N-Series | 4HG1 4.6L Diesel | 1994-2003 |
| Chevrolet | W4500 Tiltmaster | -- | -- | 1991-1993 |
| GMC | W4500 Forward | -- | -- | 1992-1993 |
Important: This brake wheel cylinder is for the Rear Right Forward position. Please verify your vehicle's chassis code, production year, and VIN before ordering.
Features & Benefits
| Feature | Benefit + Verifiion Signal |
|---|---|
| OEM Specifiion | Guarantees factory-fit quality and performance |
| Precision 1-5/16" (33.3mm) Bore | Delivers consistent hydraulic pressure for reliable braking |
| EPDM Rubber Cups and Boots | Superior resistance to heat, corrosion, and brake fluid |
| Bleeder Screw Included | Complete replacement solution |
| Direct Bolt-On Fitment | No modifiions required |
| 100% Pressure Tested | Guarantees dependable operation and leak-free performance |
| 100% New - No Core Charge | Zero wear, immediate braking performance |
Quality Control & Verifiion
| QC Item | Verifiion Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 1-5/16" bore diameter and mounting specifiions |
| Material Composition | Cast iron analysis to verify structural integrity |
| Bore Surface Test | 100% surface testing for optimum sealing surface |
| Leakage Test | 100% hydraulic pressure test for zero fluid leakage |
| Rubber Component Test | EPDM material verifiion for heat and corrosion resistance |
| Durability Cycle Test | 500+ hour fatigue testing for long-term reliability |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Installation & Maintenance Recommendations
IMPORTANT: Professional Installation Recommended
Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs.
Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs.
Pre-Installation Checklist:
- Safely raise the vehicle and support it on jack stands
- Remove the rear wheels and brake drums
- CRITICAL: This is the Rear Right Forward cylinder
- Inspect brake shoes, drums, and hardware for wear
- Use new brake fluid (DOT 3 or DOT 4) from a sealed container
- Critical: Replace wheel cylinders in pairs for balanced braking
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months
- Fluid Replacement: Every 2 years or 40,000 km
- Replacement: Immediately if failure symptoms appear
Packaging & Supply
- Packaging: Each brake wheel cylinder is securely packed in protective packaging
- Package Contents: 1 Drum Brake Wheel Cylinder (Bleeder screw included)
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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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