King Pin Kit KP-426 04431-25010 High-Strength 45# Steel Direct OEM Replacement HRC 55-63 Hardness for Toyota RK110 Steering Knuckle Repair Set

Complete king pin repair kit for Toyota RK110 / Stout / Dyna trucks. Includes king pin, bushings, bearings, seals, and hardware. Restores precise steering control, eliminates wheel play, and ensures safe front axle alignment.

• Complete Kit: Contains all required components for a full king pin rebuild
• OE Quality: Manufactured to Toyota dimensional and metallurgical specifications
• High-Strength 45# Steel: Precision-ground and heat-treated for maximum wear resistance
• Premium Bushings: Ensure even lubrication and long life
• Thrust Bearing Included: Reduces friction for smooth steering feel
• Eliminates Steering Play: Restores proper clearances and alignment
• Reduces Tire Wear: Prevents uneven tire wear caused by loose king pins
• Extended Service Life: Can last hundreds of thousands of miles with proper maintenance
• ISO9001/TS16949 Certified: Manufactured under strict quality management systems
• 12-Month Warranty: Guaranteed quality and reliability

This king pin kit is specifically designed for Toyota vehicles with conventional solid front axle (I-beam).

• Toyota RK110 (Stout)
• Toyota Stout (RK110, YK110)
• Toyota Dyna (LY20, LY30, LY50, LY60)
• Toyota ToyoAce (LY5#, LY6#, YY5#)
• Toyota Light Duty Trucks (1987-1995)

Engine Compatibility: Not engine-specific - fits various Toyota engines (5R, 4Y, etc.)

1. Safely lift and support vehicle - remove front wheels and brake components
2. Remove steering knuckle - disconnect tie rod, drag link, and steering arm
3. Press out old king pins - use a hydraulic press
4. Inspect axle beam bores - check for ovality or damage
5. Install new bushings - press into axle beam with oil holes aligned
6. Ream bushings to size (if required) - using precision reamer
7. Lubricate king pin - apply high-quality chassis grease
8. Assemble thrust bearing - place as per OE orientation
9. Insert king pin - tap into place using brass drift
10. Check end play - should be ≤ 0.005 inches
11. Reassemble steering knuckle, seals, and caps
12. Grease thoroughly until fresh grease appears from seals
13. Reinstall wheels and brake components
14. Road test and re-torque after 500 km

• Material Verification: 45# Steel composition and hardness tested
• Dimensional Accuracy: Precision gauges verify all measurements
• Bushing Fitment Test: Sample bushings tested for proper clearance
• Hardness Testing: Rockwell hardness test on critical surfaces
• Surface Finish Inspection: Ground surfaces checked for smoothness
• Seal Quality Check: Dust seals and gaskets inspected for integrity
• Kit Completeness: 100% manually counted against component list
• ISO9001/TS16949 Certified: International quality standards

• 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 King Pin Kit KP-426 04431-25010, please contact our sales team for a competitive quote and expert technical support.