Front Brake Wheel Cylinder OEM Standard Corrosion-Resistant with EPDM Rubber Seals for Isuzu NKR NPR 4HF1
| Bore Diameter: | OEM Specification (verify With Original) | Part No: | 8-97139819-0, 8971398190 |
| Vehicle Model Code: | NKNP | Position: | Front Axle (left Or Right – Identical) |
| Material: | Cast Iron / Aluminum Body, Steel Pistons, EPDM Rubber Seals | Engine Application: | ISUZU 4HF1 (3.9L Diesel) |
| Cooling Type: | Engine Coolant Circulation | Installation: | Direct OEM Replacement |
| High Light: | Isuzu NKR NPR brake wheel cylinder,corrosion-resistant brake wheel cylinder,EPDM rubber seals wheel cylinder |
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The Front Brake Wheel Cylinder (OEM Numbers: 8-97139819-0 / 8971398190) is a premium-quality hydraulic component designed for the front drum brake system of Isuzu NKR and NPR series medium-duty trucks equipped with the 4HF1 diesel engine.
| Part Number | 8-97139819-0, 8971398190 |
| Product Name | Front Brake Wheel Cylinder / Brake Slave Cylinder |
| Car Model | ISUZU NKR, NPR (NKR55, NPR59, NPR66, etc.) |
| Engine Model | ISUZU 4HF1 (3.9L Diesel) |
| Condition | 100% Brand New |
| Origin | China Mainland |
| Warranty | 6 Months |
- OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and reliable braking
- Precision-Machined Bore: Smooth honed cylinder bore ensures consistent piston movement and long seal life
- Corrosion-Resistant: Body with anti-corrosion treatment for durability
- High-Quality Rubber Seals: EPDM cups and seals resist DOT 3/DOT 4 brake fluid, heat, and aging
- Dust Boot Included: Protects the bore from dirt and moisture
- Leak-Tested: Each cylinder is hydraulically tested for leakage before packaging
- Restores Braking Performance: Eliminates spongy pedal, fluid leaks, and uneven braking
- Direct Replacement: Matches OE mounting bolt pattern, inlet port location, and bleeder screw position
- Cost-Effective: Affordable alternative to genuine OEM without compromising safety
This front brake wheel cylinder is specifically designed for Isuzu NKR and NPR trucks with 4HF1 engine.
- ISUZU NKR (NKR55, NKR57, NKR59, NKR71, etc.)
- ISUZU NPR (NPR59, NPR66, NPR70, NPR71, NPR75, etc.)
- 4-Cylinder, Inline Diesel, Direct Injection
- Displacement: 3.9L (3856cc)
- Safely lift and support the vehicle - remove the front wheel and brake drum
- Clean the brake assembly - use brake cleaner to remove dust and debris
- Disconnect the brake line - from the back of the old wheel cylinder using a flare nut wrench. Cap the line
- Remove the old wheel cylinder - unbolt the two mounting bolts from the backing plate
- Clean the backing plate mounting surface - remove old gasket/sealant
- Compare new cylinder with old - verify bore size, bolt spacing, and port orientation
- Install new wheel cylinder - apply a thin film of brake grease to the mounting flange. Bolt to backing plate. Torque bolts to specification (typically 10-15 Nm)
- Reconnect the brake line - hand-start, then tighten with flare nut wrench. Do not cross-thread
- Reinstall brake shoes and hardware - ensure pushrods engage properly
- Reinstall brake drum and wheel - adjust shoes if needed
- Bleed the brake system - start from the wheel farthest from the master cylinder
- Check for leaks - inspect the new cylinder and line fitting
- Test drive - ensure proper braking and no pulling
- Material Verification: Body alloy and seal compound tested
- Dimensional Inspection: Bore diameter, bolt hole spacing, and thread pitch verified against OE samples
- Leak Test (Hydraulic): Each cylinder pressurized to ensure no internal or external leakage
- Piston Movement Test: Smooth operation confirmed over full stroke
- Thread Inspection: Inlet and bleeder threads checked with GO/NO-GO gauges
- Visual Inspection: 100% checked for casting defects, scratches, or damaged ports
- Packaged Safely: Cylinder sealed in plastic bag, boxed with foam protection
- Neutral export packing or customized packaging available
- Carton or wooden case for safe transportation
- Fast delivery for stock items
- Shipping by Express Air or Sea
For pricing, availability, or bulk purchase of the Front Brake Wheel Cylinder 8-97139819-0 For Isuzu NKR NPR 4HF1 8971398190, please contact our sales team for a competitive quote and expert technical support.
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