Front Brake Wheel Cylinder 8-97358877-0 8973588770 For ISUZU NPR75 NPR66 NPR71 4HK1 5.2L Diesel — OEM Front Right Cast Iron 1-3/16″ Bore
| OEM Part Number: | 8-97358877-0 / 8973588770 | Part Name: | Brake Wheel Cylinder |
| Fitting Position: | Front Axle, Right Hand (RH) | Bore Diameter: | 1-3/16″ (30.16mm) |
| Weight: | Approx. 1.15 – 1.26 Kg | Packaging Size: | 12 × 9 × 7 Cm |
| Material: | High-Grade Cast Iron | Thread Size: | M10 X 1.0 |
| Bleeder Screw: | Included | Vehicle Compatibility: | ISUZU NPR75, NPR66, NPR71 |
| Engine Compatibility: | ISUZU 4HK1 5.2L Diesel | HS Code: | 870830000 |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | ISUZU NPR brake wheel cylinder,cast iron brake cylinder 1-3/16 bore,OEM ISUZU 4HK1 front brake cylinder |
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The Front Brake Wheel Cylinder with OEM numbers 8-97358877-0 (also listed as 8973588770) is a verified OEM-grade direct replacement for ISUZU NPR75, NPR66, NPR71, and compatible N-Series trucks equipped with the 4HK1 5.2L diesel engine. Manufactured to ISUZU's stringent OEM specifications, this wheel cylinder is a critical component of the front drum brake system that converts hydraulic pressure from the brake master cylinder into mechanical force, pushing the brake shoes against the drum to provide safe and reliable stopping power.
| Part Number: | 8-97358877-0 8973588770 |
| Product Name: | Front Brake Wheel Cylinder |
| Car Model: | ISUZU NPR75 NPR66 NPR71 |
| Engine Model: | 4HK1 |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
| Brand | Model | Chassis / Series | Engine | Position |
|---|---|---|---|---|
| ISUZU | NPR75 | N-Series | 4HK1 5.2L Diesel | Front Right |
| ISUZU | NPR66 | N-Series | 4HK1 5.2L Diesel | Front Right |
| ISUZU | NPR71 | N-Series | 4HK1 5.2L Diesel | Front Right |
If your front brake wheel cylinder is failing, you may experience one or more of the following symptoms:
- Brake Fluid Leakage: Visible fluid seeping from the front 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
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 1-3/16″ bore diameter and mounting specifications |
| Material Composition | Cast iron analysis for structural integrity and heat dissipation |
| Bore Surface Test | 100% surface testing for optimum sealing surface |
| Leakage Test | 100% hydraulic pressure test for zero fluid leakage |
| Durability Cycle Test | 500+ hour fatigue testing for long-term reliability |
Pre-Installation Checklist:
- Safely raise the vehicle and support it on jack stands
- Remove front wheels and brake drums
- CRITICAL: This is the Front Right (RH) cylinder — the LH counterpart is 8-97358876-0
- Inspect brake shoes, drums, and hardware for wear
- Use new brake fluid (DOT 3 or DOT 4) from 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: | Protective packaging to prevent shipping damage |
| Package Contents: | 1 Brake Wheel Cylinder (Bleeder screw included) |
| Weight: | Approx. 1.15 - 1.26 kg |
| Packaging Size: | 12 × 9 × 7 cm |
| HS Code: | 870830000 |
| Suitable for: | Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners |
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