Front Brake Wheel Cylinder with Precision-Honed Hydraulic Cylinder and High-Quality Brake Fluid-Resistant Seals for Direct OEM Replacement

Precision-engineered front brake wheel cylinder converts hydraulic pressure into mechanical force, actuating brake shoes for reliable stopping power in ISUZU NPR71 trucks with 4BD1 diesel engines.

The Front Brake Wheel Cylinder (OEM Numbers: 8-97078614-0 / 8970786140 / 8-97170951-0 / 8971709510) is a premium-quality, direct replacement braking system component designed specifically for ISUZU NPR71 series medium-duty trucks equipped with the 4BD1 diesel engine.

• OE Quality: Manufactured to strict ISUZU dimensional and performance specifications for perfect fit and function.
• Precision Honed Bore: Ensures smooth piston travel and consistent hydraulic pressure.
• Durable Construction: High-quality cast iron/aluminum housing resists corrosion and wear.
• Reliable Seals: Brake fluid-resistant seals prevent leaks and maintain hydraulic pressure.
• Restores Braking Performance: Eliminates reduced stopping power, brake pull, and drag caused by faulty cylinders.
• Ensures Balanced Braking: Proper wheel cylinder function maintains even brake force distribution.
• Direct Replacement: Simple installation during brake system service.
• Long Service Life: Engineered for reliability in demanding commercial applications.
• Critical Safety Component: Essential for safe vehicle operation.
• Cost-Effective Maintenance: Prevents expensive brake system repairs and ensures compliance with safety regulations.

This front brake wheel cylinder is specifically designed for ISUZU medium-duty trucks. Common applications include:

• ISUZU NPR71 – Medium-Duty Trucks
• ISUZU NPR (various models with compatible brake systems)
• ISUZU NKR (select models with compatible brake systems)
• ISUZU ELF (select models)

• 4-Cylinder, Inline Diesel
• Displacement: 3.9L (3856cc)
• Naturally Aspirated / Turbocharged (4BD1T)
• Valvetrain: OHV
• Widely used in NPR71 and various medium-duty trucks

• Front drum brake system
• Compatible with standard ISUZU hydraulic brake configurations

1. Raise and secure the vehicle – Safely lift the front axle and support on jack stands.
2. Remove the front wheels – Remove the front wheels for access to the brake assembly.
3. Remove the brake drum – Carefully remove the front brake drum.
4. Inspect brake shoes and drums – Check brake shoes and drums for wear or damage; replace if necessary.
5. Disconnect brake line – Carefully disconnect the brake fluid line from the wheel cylinder.
6. Remove the old wheel cylinder – Unbolt and remove the old wheel cylinder from the backing plate.
7. Clean the backing plate – Clean the backing plate mounting surface and surrounding area.
8. Prepare the new wheel cylinder – Inspect the new cylinder and verify it matches the original.
9. Install the new wheel cylinder – Position the new cylinder and secure with mounting bolts.
10. Reconnect brake line – Reconnect the brake fluid line to the new wheel cylinder.
11. Reinstall brake shoes and drum – Reinstall the brake shoes and drum assembly.
12. Reinstall the wheel – Reinstall the front wheel.
13. Bleed the brake system – Bleed the brake system to remove all air from the lines.
14. Check brake fluid level – Check and top up brake fluid in the master cylinder reservoir.
15. Check pedal feel – Test the brake pedal for proper feel and travel.
16. Test operation – Test drive the vehicle at low speed to verify proper braking performance.
17. Check for leaks – Inspect the wheel cylinder and all connections for fluid leakage.
18. Re-torque wheel nuts – Re-torque wheel nuts after the test drive.

• Material Verification: Confirms housing and seal materials meet OE specifications.
• Dimensional Inspection: Bore size, mounting dimensions, and port positions verified against OEM tolerances.
• Leakage Testing: 100% pressure-tested for internal and external fluid leakage.
• Piston and Seal Inspection: Seal integrity and piston smoothness verified for reliable operation.
• Surface Finish Inspection: Machined surfaces checked for proper finish.
• Visual Inspection: 100% checked for casting defects, machining flaws, or damage.
• Packaged Safely: Protected and securely packaged to prevent contamination and damage during transit.

• 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 8-97078614-0 For ISUZU NPR71 4BD1 8971709510, please contact our sales team for a competitive quote and expert technical support.