Clutch Master Cylinder Assembly 1-47500239-0 For ISUZU FVR CXZ81 10PE1 4HK1 6HK1

Features & Advantages 

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function.

• Complete Assembly: Includes master cylinder, reservoir, push rod, and all necessary components – ready to install.

• Precision-Honed Bore: Smooth, accurate bore ensures consistent piston movement and reliable hydraulic pressure.

• Durable Seals: High-quality fluid-resistant seals provide long-lasting leak-free performance.

• Smooth Clutch Operation: Provides consistent clutch pedal feel and smooth engagement/disengagement.

• Restores Shifting Performance: Eliminates hard shifting, gear grinding, and clutch drag caused by faulty cylinders.

• Leak-Proof Design: Precision machining and quality seals prevent fluid leaks and system pressure loss.

• Direct Replacement: Matches OE cylinder dimensions, mounting points, and hydraulic connections.

• Enhances Drivability: Restores proper clutch function for reliable daily operation.

• Long Service Life: Engineered for heavy-duty commercial truck applications. 

  

Vehicle & Engine Compatibility

This clutch master cylinder assembly is specifically designed for ISUZU heavy-duty trucks and commercial vehicles. Common applications include:

• ISUZU FVR (Heavy-Duty Trucks)

• ISUZU CXZ81 (Heavy-Duty Trucks)

• ISUZU 10PE1 Engine Specifications:

  • V10, Diesel

  • Displacement: 16.4L (verify with VIN)

  • Application: Heavy-duty trucks, construction, and industrial use

• ISUZU 4HK1 Engine Specifications:

  • 4-Cylinder, Inline Turbo Diesel

  • Displacement: 5.2L

  • Application: Medium-duty trucks and commercial vehicles

• ISUZU 6HK1 Engine Specifications:

  • 6-Cylinder, Inline Diesel

  • Displacement: 7.8L

  • Application: Heavy-duty trucks, buses, and industrial equipment

• Also compatible with various ISUZU models using the same clutch hydraulic system configuration

Installation Notes

Professional mechanic installation recommended:

1. Locate the clutch master cylinder – Typically mounted on the firewall in the engine compartment.

2. Remove old fluid – Use a clean suction tool to remove old fluid from the reservoir.

3. Disconnect the hydraulic line – Carefully disconnect the hydraulic fluid line from the master cylinder; cap the line to prevent fluid loss and contamination.

4. Disconnect the push rod – Disconnect the push rod from the clutch pedal assembly inside the cabin.

5. Remove mounting nuts – Unbolt the master cylinder from the firewall.

6. Remove the old assembly – Carefully remove the complete assembly from the vehicle.

7. Bench bleed the new cylinder – Before installation, bench bleed the new master cylinder to remove air and prime the internal chambers.

8. Position the new assembly – Install the new master cylinder on the firewall; hand-start mounting nuts.

9. Torque mounting nuts – Tighten nuts to manufacturer torque specifications.

10. Connect the push rod – Reconnect the push rod to the clutch pedal assembly; ensure proper free play adjustment.

11. Connect the hydraulic line – Reconnect the hydraulic line to the master cylinder; torque the fitting to specification.

12. Refill with fresh fluid – Fill the reservoir with the recommended brake/clutch fluid (DOT 3 or DOT 4 as specified).

13. Bleed the clutch system – Bleed the clutch hydraulic system to remove air; use the correct procedure.

14. Check for leaks – Inspect all connections for fluid leaks; ensure the master cylinder is not leaking.

15. Test clutch pedal – Pump the clutch pedal; ensure firm pedal feel and proper pedal height.

16. Check clutch operation – Start the engine; test clutch engagement and gear shifting in a safe area.

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