Differential Bevel Gear Seat Assembly 8-94159027-0 8941590270 For ISUZU NKR55 4JB1

Premium-quality direct replacement differential component designed specifically for ISUZU NKR55 series light-duty trucks equipped with 4JB1 diesel engines.

This differential bevel gear seat assembly (also known as differential case assembly or cage assembly) is a critical part of the rear axle differential. It houses and supports the differential bevel gears, maintaining precise alignment and proper gear mesh while transmitting torque from the ring gear to the axle shafts.

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications
• High-Strength Steel Construction: Withstands high torque loads and continuous rotation
• Surface-Hardened Gear Teeth: Exceptional wear resistance and long service life
• Precision-Machined Seat Surfaces: Exact tolerances ensure proper gear seating
• Direct Replacement: Matches OE assembly dimensions for simple installation
• Cost-Effective Repair: Prevents costly damage to gears and bearings

Specifically designed for ISUZU light-duty trucks and commercial vehicles:

• ISUZU NKR55 (Light-Duty Trucks)
• ISUZU NPR, NHR, ELF series (as applicable)
• ISUZU 4JB1 Engine: 4-Cylinder, 2.8L OHV Diesel
• ISUZU 4JB1T Engine: 4-Cylinder, 2.8L Turbo Diesel
• Various ISUZU models using the 4JB1 engine and same rear axle differential configuration

1. Ensure vehicle is safely raised using appropriate jack stands or lift
2. Drain differential oil into suitable container
3. Remove propeller shaft from differential companion flange
4. Remove axle shafts, wheels, and brake drums
5. Remove differential carrier assembly from axle housing
6. Disassemble differential (mark bearing caps and shims for reassembly)
7. Remove old bevel gear seat assembly
8. Clean and inspect all components; replace if necessary
9. Install new bevel gear seat assembly with internal gears and ring gear
10. Adjust backlash and contact pattern using shims
11. Reassemble differential and torque mounting bolts to specification
12. Reinstall axle shafts, brake components, and wheels
13. Reconnect propeller shaft
14. Refill with correct grade and quantity of differential lubricant
15. Road test to verify smooth operation
16. Re-check oil level after initial drive

• Material verification for steel composition and hardness
• Dimensional inspection within OEM tolerances
• Hardness testing for surface-hardened gear teeth
• Surface finish inspection for proper smoothness
• 100% visual inspection for defects
• Protected with rust inhibitor and safe packaging

• 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 Differential Bevel Gear Seat Assembly 8-94159027-0 8941590270 For ISUZU NKR55 4JB1, please contact our sales team for a competitive quote and expert technical support.