Heavy Duty Clutch Release Bearing 78TKL4801 with GCr15 Chrome Steel and 2RS Rubber Seals for ISUZU Trucks

Premium-quality clutch release bearing enables smooth clutch engagement and disengagement, reducing wear on drivetrain components for reliable shifting in commercial trucks and heavy equipment.

• OE Quality: Manufactured to strict dimensional and performance specifications for perfect fit and function.
• Premium Chrome Steel GCr15: High-quality material provides exceptional hardness, wear resistance, and durability.
• 2RS Rubber Seals: Effective sealing retains lubrication and excludes contaminants for reliable operation.
• Multiple Precision Grades: Available in P0, P2, P5, and P6 to suit various application requirements.
• Multiple Clearance Options: C0, C2, C3, C4, and C5 clearances available for customized fitment.
• Various Cage Materials: Brass, steel, and nylon cage options for different performance characteristics.
• Long-Life Design: Engineered for extended service life and reliable performance.
• Low-Noise Operation: Strict quality control ensures smooth, quiet operation.
• High-Load Capacity: Advanced technical design supports heavy loads and demanding applications.
• Competitive Pricing: High value with excellent performance-to-cost ratio.
• OEM Service Available: Customized solutions to meet customer requirements.
• Versatile Application: Suitable for commercial trucks, buses, construction, and agricultural equipment.

This clutch release bearing is designed for a wide range of vehicles and equipment. Common applications include:

• Commercial Trucks – Light, Medium, and Heavy-Duty Trucks
• Buses – Passenger and Commercial Buses
• Construction Equipment – Excavators, Loaders, Bulldozers
• Agricultural Machinery – Tractors, Harvesters
• Industrial Equipment – Forklifts, Generators, Compressors

• ISUZU, HINO, MITSUBISHI FUSO, UD TRUCKS
• JAC, FOTON, DONG FENG, SINOTRUK
• KOMATSU, HITACHI, KOBELCO
• Various other commercial vehicle and equipment brands

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. Remove the old release bearing – Remove the release fork clips and release the bearing from the fork.
4. Inspect the release fork – Check the fork for wear or damage; replace if necessary.
5. Inspect the clutch components – Check the clutch disc, pressure plate, and flywheel for wear; replace as a set if needed.
6. Clean the bearing housing – Clean the transmission input shaft bearing cover and surrounding area.
7. Inspect the new bearing – Verify the new bearing matches the original in dimensions and specifications.
8. Apply grease (if required) – Apply a thin coat of high-temperature grease to the bearing contact surfaces if specified.
9. Install the new release bearing – Attach the bearing to the release fork and secure with clips.
10. Lubricate contact points – Apply high-temperature grease to the fork pivot and contact points (if specified).
11. Reinstall the transmission – Reinstall the transmission assembly.
12. Adjust clutch free play – Adjust the clutch pedal free play per manufacturer specifications.
13. Reconnect battery – Reconnect the battery.
14. Test operation – Test clutch pedal feel and shifting operation.
15. Road test – Test drive the vehicle to verify smooth clutch engagement and gear changes.

• Material Verification: Confirms GCr15 chrome steel composition meets OE specifications.
• Dimensional Inspection: Bearing dimensions, inner/outer diameters, and width verified against OEM tolerances.
• Hardness Testing: Material hardness verified for wear resistance and durability.
• Precision Testing: Precision grade verified (P0, P2, P5, P6) to meet application requirements.
• Clearance Verification: Internal clearance verified (C0, C2, C3, C4, C5) to specifications.
• Seal Integrity Testing: 2RS seal effectiveness verified for lubrication retention and contamination exclusion.
• Noise Testing: Bearing operation verified for low-noise performance.
• Load Testing: High-load capacity verified through rigorous testing.
• Visual Inspection: 100% checked for defects, surface imperfections, 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