High-Strength Forged Steel Clutch Shift Fork Precision-Machined Corrosion-Resistant Treated for ISUZU NKR55 4JB1T Engine

Precision-engineered clutch shift fork transfers clutch pedal motion to the release bearing, enabling smooth clutch engagement and disengagement for reliable shifting in ISUZU NKR55 trucks with 4JB1T diesel engines.

• OE Quality: Manufactured to strict dimensional and material specifications for perfect fit and function
• High-Strength Forged Steel: Provides exceptional strength and durability under repetitive high loads
• Precision Machining: Accurately positioned pivot points and fork arms ensure proper alignment
• Wear-Resistant: Hardened contact surfaces resist wear for extended service life
• Restores Clutch Operation: Eliminates shifting difficulties caused by worn shift forks
• Smooth Engagement: Enables smooth clutch engagement and disengagement
• Direct Replacement: Simple installation during clutch system service
• Long Service Life: Engineered to withstand the rigors of commercial truck operation

This clutch shift fork is specifically designed for ISUZU light-duty trucks with 4JB1/4JB1T engines:

• ISUZU NKR55 — Light-Duty Trucks
• ISUZU NKR (various models with 4JB1/4JB1T engines)
• ISUZU NPR (select light-duty models with 4JB1T engine)

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

Professional installation required. Proper clutch system service is critical:

1. Disconnect battery — Disconnect the negative battery cable before beginning work
2. Remove the transmission — Safely remove the transmission assembly from the vehicle
3. Access the clutch housing — Remove the clutch housing cover or bell housing inspection plate
4. Remove the release bearing — Disconnect the release bearing from the shift fork
5. Remove the old shift fork — Unbolt or unclip the shift fork from its pivot point
6. Inspect the pivot point — Check the pivot ball/stud for wear or damage; replace if necessary
7. Inspect clutch components — Check the clutch disc, pressure plate, and release bearing for wear; replace as needed
8. Clean the mounting area — Clean the pivot point and surrounding area
9. Prepare the new shift fork — Apply high-temperature grease to the pivot points (if specified)
10. Install the new shift fork — Position the new shift fork on its pivot point and secure
11. Install the release bearing — Attach the release bearing to the shift fork
12. Reinstall the transmission — Reinstall the transmission assembly
13. Adjust clutch free play — Adjust the clutch pedal free play per manufacturer specifications
14. Reconnect battery — Reconnect the battery
15. Test operation — Test clutch pedal feel and shifting operation
16. Road test — Test drive the vehicle to verify smooth clutch engagement and gear changes

• Material Verification: Confirms steel composition meets OE strength specifications
• Dimensional Inspection: All pivot points, fork arm positions, and mounting dimensions verified against OEM tolerances
• Hardness Testing: Contact surface hardness verified for wear resistance
• Surface Finish Inspection: Machined surfaces checked for proper finish
• Visual Inspection: 100% checked for forging defects, machining flaws, or damage
• Packaged Safely: Protected and securely packaged to prevent 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 Shift Fork 8970337010 For ISUZU NKR55 4JB1T Engine 8-97033701-0, please contact our sales team for a competitive quote and expert technical support.