Clutch Master Cylinder Assembly 8-98097694-0 For ISUZU NKR NPR 4HG1 8980976940

Precision-engineered clutch master cylinder converts mechanical pedal force into hydraulic pressure, enabling smooth clutch engagement and disengagement for ISUZU NKR and NPR trucks with 4HG1 diesel engines.

• 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 housing resists corrosion and wear for long service life
• Reliable Seals: Fluid-resistant seals prevent leaks and maintain hydraulic pressure
• Smooth Clutch Operation: Enables precise, responsive clutch control
• Restores Shifting Performance: Eliminates spongy pedal feel and shifting difficulties
• Direct Replacement: Simple installation during clutch system service
• Long Service Life: Engineered for reliability in demanding commercial applications
• Cost-Effective Maintenance: Essential component for reliable clutch system performance

This clutch master cylinder assembly is specifically designed for ISUZU light to medium-duty trucks:

• ISUZU NKR - Light to Medium-Duty Trucks
• ISUZU NPR - Medium-Duty Trucks
• ISUZU NPR66 - Medium-Duty Trucks
• ISUZU ELF (select models with 4HG1 engine)
• ISUZU NQR (select models with 4HG1 engine)

• 4-Cylinder, Inline Diesel
• Displacement: 4.6L (4570cc)
• Naturally Aspirated / Turbocharged (4HG1T)
• Valvetrain: OHV
• Widely used in NKR and NPR series trucks

1. Disconnect battery - Disconnect the negative battery cable before beginning work
2. Drain clutch fluid - Drain the clutch fluid from the reservoir and system
3. Disconnect hydraulic line - Carefully disconnect the clutch fluid line from the master cylinder
4. Remove the old master cylinder - Unbolt and remove the old master cylinder from the firewall
5. Inspect the pushrod and pedal linkage - Check for wear or damage; replace if necessary
6. Clean the mounting area - Clean the firewall mounting surface and surrounding area
7. Prepare the new master cylinder - Inspect the new cylinder and verify it matches the original
8. Install the new master cylinder - Position the new cylinder and secure with mounting bolts
9. Torque to specification - Tighten bolts to manufacturer specification
10. Connect hydraulic line - Reconnect the clutch fluid line to the master cylinder
11. Fill reservoir - Fill the reservoir with the correct type of clutch/brake fluid
12. Bleed the system - Bleed the hydraulic clutch system to remove all air from the lines
13. Check pedal feel - Test the clutch pedal for proper feel and travel
14. Reconnect battery - Reconnect the battery
15. Test operation - Start the engine and test clutch engagement and shifting
16. Road test - Test drive the vehicle to verify smooth clutch operation

• 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 Clutch Master Cylinder Assembly 8-98097694-0 For ISUZU NKR NPR 4HG1 8980976940, please contact our sales team for a competitive quote and expert technical support.