ISUZU Clutch Disc 240mm Diameter 24-Spline Configuration with Spring-Cushioned Design for NKR55 4JB1 Engine

Premium-quality clutch disc provides smooth engagement and reliable power transfer between the engine and transmission, ensuring efficient drivability and long service life for ISUZU NKR55 trucks with 4JB1 diesel engines.

• OE Quality: Manufactured to strict dimensional and material specifications for perfect fit and function
• Correct Size: Precision 240mm diameter and 24-spline configuration ensures proper fitment
• High-Quality Friction Material: Premium organic friction compound provides consistent engagement and excellent wear resistance
• Precision-Splined Hub: Accurate 24-spline fitment ensures proper engagement with transmission input shaft
• Torsional Damper Springs: Absorb engine vibrations for smooth power delivery and reduced transmission wear
• Optimized Cushioning: Spring-cushioned design ensures smooth engagement and reduces driveline shock
• Heat Resistant: Engineered to withstand high temperatures generated during clutch operation
• Restores Power Transfer: Eliminates slipping and ensures full engine torque reaches the transmission
• Smooth Engagement: Eliminates grabbing and chatter for comfortable driving
• Direct Replacement: Simple installation during clutch service
• Long Service Life: Durable construction for reliable performance in commercial applications
• Prevents Driveline Damage: Proper clutch function protects the transmission and drivetrain

This clutch disc is specifically designed for ISUZU light-duty trucks with 4JB1 diesel engines.

• ISUZU NKR55 - Light-Duty Trucks
• ISUZU NKR (various models with 4JB1 engine)
• ISUZU NPR (select light-duty models with 4JB1 engine)
• ISUZU ELF (select models with 4JB1 engine)

• 4-Cylinder, Inline Diesel
• Displacement: 2.8L (2771cc)
• Naturally Aspirated / Turbocharged (4JB1T)
• Valvetrain: OHV
• Widely used in NKR55 and various light-duty applications

• Clutch Disc Diameter: 240mm
• Spline Teeth: 24
• Manual Transmission

Professional installation required. Proper procedure is critical for reliable clutch operation:

1. Disconnect battery and remove transmission - Safely disconnect the battery and remove the transmission assembly
2. Remove the old clutch - Remove the pressure plate and clutch disc from the flywheel
3. Inspect the flywheel - Check the flywheel friction surface for wear, scoring, or heat damage
4. Resurface or replace the flywheel - Refinish the flywheel surface to restore flatness, or replace if damaged
5. Inspect/replace the pilot bearing - Check and replace the pilot bearing/bushing in the crankshaft
6. Clean thoroughly - Clean the flywheel and pressure plate mounting surfaces of oil and debris
7. Inspect the new clutch disc - Verify the disc is the correct size (240mm) and spline count (24 teeth)
8. Use a clutch alignment tool - Insert the alignment tool through the disc and pilot bearing to center the disc
9. Position the disc and pressure plate - Place the new disc on the flywheel, then install the pressure plate
10. Install pressure plate bolts - Tighten the pressure plate bolts evenly in a crisscross pattern
11. Torque to specification - Torque the pressure plate bolts to manufacturer specification
12. Remove the alignment tool - Verify the disc is centered and remove the alignment tool
13. Replace release bearing - Install a new release bearing in the transmission bell housing
14. Lubricate moving parts - Apply appropriate high-temperature grease to the release bearing fork and pivot points
15. Reinstall transmission - Reinstall the transmission and all connected components
16. Adjust clutch free play - Adjust the clutch pedal free play per manufacturer specifications
17. Check operation - Test clutch pedal feel and travel; check clutch engagement and release
18. Road test - Road-test the vehicle to verify smooth engagement and proper clutch function

• Material Verification: Friction material composition verified against OE specifications
• Dimensional Inspection: Outer diameter (240mm), spline dimensions (24 teeth), and disc thickness verified against OEM tolerances
• Friction Surface Inspection: Surface finish and flatness checked for proper engagement
• Spline Fitment Testing: Spline dimensions and fitment verified to ensure proper input shaft engagement
• Damper Spring Testing: Spring rates and functionality verified for proper vibration absorption
• Riveting/Bonding Integrity: Friction material attachment verified for strength and durability
• Runout Testing: Disc runout verified to prevent engagement issues
• Balance Testing: Ensures balanced operation for smooth performance
• Visual Inspection: 100% checked for defects or damage
• Packaged Safely: Individually packaged to prevent damage and contamination

• 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 Disc 5-87610108-0 For ISUZU NKR55 4JB1 Engine 8970706570 240mm 24T, please contact our sales team for a competitive quote and expert technical support.