Clutch Shift Block 8-97316602-0 8973166020 For ISUZU NKR55 NKR77 4JB1 4JH1 4JG2 Engine

The Clutch Shift Block (OEM Numbers: 8-97316602-0 / 8973166020) is a premium-quality, direct replacement clutch release component designed specifically for ISUZU NKR55 and NKR77 series light-duty trucks equipped with 4JB1, 4JH1, and 4JG2 diesel engines.

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
• Precision Machined: Exact tolerances ensure proper alignment and smooth clutch release operation
• High-Strength Material: Durable cast iron or alloy steel withstands repeated clutch actuation and heavy loads
• Wear-Resistant Surface: Hardened contact areas resist friction and extend service life
• Restores Clutch Performance: Eliminates clutch drag, hard shifting, and incomplete disengagement
• Reduces Noise and Vibration: Proper fit minimizes rattle and abnormal clutch noise
• Direct Replacement: Matches OE mounting and engagement points for simple installation
• Cross-Reference: Also available under NSK Part No. 60TKZ3503R for easy identification
• Long Service Life: Engineered for commercial truck duty cycles
• Essential for Clutch Overhaul: Recommended replacement during clutch service or transmission removal

This clutch shift block is specifically designed for ISUZU light-duty trucks and commercial vehicles:

• ISUZU NKR55 (Light-Duty Trucks)
• ISUZU NKR77 (Light-Duty Trucks)
• ISUZU N Series (NH, NK, NP - as applicable)

• ISUZU 4JB1 Engine: 4-Cylinder, Inline Diesel, 2.8L Displacement
• ISUZU 4JH1 Engine: 4-Cylinder, Inline Diesel, 3.0L Displacement
• ISUZU 4JG2 Engine: 4-Cylinder, Inline Diesel, 3.1L Displacement

1. Disconnect battery - Ensure safety before working on the vehicle
2. Raise and support vehicle - Use appropriate jack stands or a lift
3. Remove transmission - If required, remove the transmission to access the clutch release mechanism
4. Remove clutch release fork and bearing - Note the orientation and assembly order
5. Remove old shift block - Carefully remove the worn or damaged block
6. Inspect related components - Check release fork, bearing, pivot, and input shaft sleeve for wear or damage
7. Clean mounting area - Remove dirt, grease, and old lubricant from the pivot area
8. Lubricate pivot points - Apply high-temperature clutch grease to the shift block and pivot contacts
9. Install new shift block - Position the new block correctly on the release mechanism
10. Reinstall release fork and bearing - Assemble in the correct order; ensure proper engagement
11. Reinstall transmission - Install the transmission and secure all mounting bolts
12. Bleed clutch system - If hydraulic, bleed the clutch system to remove air
13. Adjust clutch pedal - Set proper pedal free play per manufacturer specification
14. Test operation - Start the engine and test clutch engagement and gear shifting

• Material Verification: Confirms material composition meets ISUZU strength and wear resistance specifications
• Dimensional Inspection: Critical dimensions and mounting points verified within OEM tolerances
• Hardness Testing: Contact surfaces tested for proper hardness and wear resistance
• Surface Finish Inspection: Machined surfaces checked for smoothness and accuracy
• Visual Inspection: 100% checked for cracks, porosity, or machining defects
• Packaged Safely: Protected with rust inhibitor and 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 Block 8-97316602-0 8973166020 For ISUZU NKR55 NKR77 4JB1 4JH1 4JG2 Engine, please contact our sales team for a competitive quote and expert technical support.