Front Brake Wheel Cylinder 8-97358875-0 8973588750 For ISUZU NPR NQR 700P 4HK1 5.2L Diesel — OEM Front Right Cast Iron 1-3/16″ Bore
| OEM Part Number: | 8-97358875-0 / 8973588750 | Part Name: | Brake Wheel Cylinder / Brake Slave Cylinder |
| Fitting Position: | Front Axle, Right Hand (RH) | Bore Diameter: | 1-3/16″ (30.16mm) |
| Material: | High-Grade Cast Iron | Inlet Thread Size: | M10 X 1.0 |
| Bleeder Screw: | Included | Vehicle Compatibility: | ISUZU NPR, NQR, 700P, NPR66, NPR71, ELF |
| Engine Compatibility: | ISUZU 4HK1 5.2L Diesel | 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 700P front right cylinder |
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The Front Brake Wheel Cylinder with OEM numbers 8-97358875-0 (also listed as 8973588750) is a verified OEM-grade direct replacement for ISUZU NPR, NQR, 700P, 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.
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
| Brand | Model | Chassis / Series | Engine | Position |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HK1 5.2L Diesel | Front Right |
| ISUZU | NQR | N-Series | 4HK1 5.2L Diesel | Front Right |
| ISUZU | 700P | N-Series | 4HK1 5.2L Diesel | Front Right |
| ISUZU | NPR66 | N-Series | 4HK1 | Front Right |
| ISUZU | NPR71 | N-Series | 4HK1 | Front Right |
| ISUZU | ELF | ELF 200/300/400 | 3.0L / 5.2L Diesel | Front Right |
| Feature | Benefit + Verification Signal |
|---|---|
| OEM Specification — ISUZU Genuine Equivalent | Guarantees factory-fit quality and performance — verified by OEM part numbers |
| Precision 1-3/16″ (30.16mm) Bore | Delivers consistent hydraulic pressure for reliable braking performance |
| High-Grade Cast Iron Construction | Provides exceptional durability and heat dissipation under demanding conditions |
| Heat Resistant & Leakage Resistant | Engineered with high-quality seals to withstand extreme temperatures |
| Bleeder Screw Included | Complete replacement solution — no need to purchase additional hardware |
| Direct Bolt-On Fitment | No modifications required — engineered as a direct match for original cylinder |
| 100% Pressure Tested | Guarantees dependable operation and leak-free performance |
| 100% New — No Core Charge | Guarantees zero wear, immediate braking performance, and full service life |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 1-3/16″ bore diameter and mounting specifications |
| Material Composition | Cast iron analysis to verify structural integrity and heat dissipation |
| Bore Surface Test | 100% surface testing to ensure optimum sealing surface for pressure cups |
| Leakage Test | 100% hydraulic pressure test to guarantee zero fluid leakage |
| Rubber Component Test | EPDM material verification for heat and corrosion resistance |
| Durability Cycle Test | 500+ hour fatigue testing to verify long-term reliability |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs for balanced braking performance.
Pre-Installation Checklist:
- Safely raise the vehicle and support it on jack stands
- Remove the front wheels and brake drums to access the wheel cylinders
- CRITICAL: This is the Front Right (RH) cylinder — the LH counterpart is 8-97358874-0 / 8973588740
- Inspect brake shoes, drums, and hardware for wear — replace as necessary
- Use new brake fluid (DOT 3 or DOT 4) from a sealed container
- Critical: Replace wheel cylinders in pairs (both front wheels) for balanced braking performance
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: Each brake wheel cylinder is securely packed in protective packaging
- Package Contents: 1 Brake Wheel Cylinder (Bleeder screw included)
- Shipping Ports: NINGBO, SHANGHAI
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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