ISUZU TXD BC TW TS King Pin Kit KP219 MI55 with HRC 56-60 Hardness and Φ38.1 × 220 mm Size ISO/TS16949 Certified
| Hardness: | HRC 56-60 | King Pin Size: | Φ38.1 × 220 Mm (standard Size) |
| Packaging Quantity: | 1 Set/box (includes King Pin, Bushings, Bearings, Seals, Etc.) | KP Model: | KP219 / KP-219 |
| Material: | 45# Steel (SAE1045) / 40Cr Alloy Steel (SAE5140) | Net Weight: | 5.6 KG (complete Kit) |
| High Light: | HRC 56-60 Hardness King Pin Kit,Φ38.1 × 220 mm King Pin Size Steering Knuckle Repair Set,ISO/TS16949 Certified KP219 MI55 |
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The King Pin Kit (Steering Knuckle Repair Set) with OEM number 9-88511503-0 — cross-referencing to 1-87830276-0 / 9885115030 / 1878302760 — and KP model KP219 / KP-219 / MI55, is a critical steering system repair component for ISUZU TXD, BC, TW, and TS series 6-ton trucks. This kit restores the king pin connection between the steering knuckle and the I-beam axle, recovering steering precision and eliminating abnormal front wheel shimmy.
The king pin is the pivot component connecting the steering knuckle to the axle, allowing the front wheels to rotate about the king pin axis for steering. The king pin works in conjunction with bushings and thrust bearings to carry the front axle load and transmit steering forces. As mileage accumulates, the king pin, bushings, and bearings wear, increasing steering play and causing misalignment, which leads to uneven tire wear and steering instability. This repair kit provides all critical components required for king pin replacement, restoring the original steering geometry.
- Abnormal front wheel shimmy or "death wobble"; violent steering wheel shake at certain speeds
- Significantly increased steering play; excessive steering wheel free play
- Front wheel alignment cannot be adjusted to spec; uneven tire wear on one side
- Metallic knocking or clunking noise from the steering knuckle area during steering
- Lubricant seepage or grease overflow at king pin bushing
| Part Number: | 9-88511503-0 1-87830276-0 | Product Name: | Steering Knuckle King Pin Kit |
|---|---|---|---|
| Car Model: | TXD BC TW TS | Engine Model: | TXD BC TW TS |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | Package: | Neutral Packing Or Make It As Requested |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
| Brand | Model Series | Tonnage | Years |
|---|---|---|---|
| ISUZU | TXD | 6 ton | 1962+ |
| ISUZU | BC | 6 ton | 1962+ |
| ISUZU | TW | 6 ton | 1962+ |
| ISUZU | TS | 6 ton | 1962+ |
| Feature | Benefit + Verification Signal |
|---|---|
| 45# steel / 40Cr alloy steel | High strength and wear resistance for heavy-duty commercial steering — based on material specification data |
| Hardness HRC 56-60 | High surface hardness; excellent wear resistance for extended service life — based on product specification data |
| ISO/TS16949 certified | Meets international automotive quality management standards — certification data from supplier |
| Complete kit | Includes king pin, bushings, thrust bearings, seals, etc. — one-time replacement — verify kit contents |
| Standard size design | Φ38.1*220 mm direct OEM replacement; no machining required — based on dimensional data |
| Fits TXD/BC/TW/TS | Covers mainstream ISUZU 6-ton models — verified by fitment list |
| QC Item | Verification Method |
|---|---|
| Dimensional inspection | CMM coordinate measurement against OEM drawing |
| Material composition | Spectral analysis for 45# steel / 40Cr composition |
| Hardness test | Rockwell hardness tester for HRC 56-60 |
| Surface quality | Visual inspection for cracks, burrs, corrosion; phosphate or rust-preventive coating |
| Fit accuracy | King pin-to-bushing clearance inspection |
| Torque test | Thrust bearing rotational torque test |
| Packaging inspection | Ensure no damage or deformation in transit |
(Reference workshop manual and NHTSA technical data):
- Lift front axle; remove tires, brake calipers, and tie rod ends
- Remove king pin lock pin and cover; extract old king pin and bushings
- Clean steering knuckle king pin bore; inspect for damage or wear
- Press in new bushings; ream to standard clearance if necessary
- Install new king pin with appropriate lubricant
- Tighten king pin lock pin to ISUZU-specified torque (consult workshop manual for specific values)
- Apply Three Bond 1215 sealant or equivalent to the sealing plug before installation
- Reconnect tie rods and brake components; install tires
- Perform front wheel alignment and road test to confirm normal steering
- Inspect king pin clearance and lubrication every 20,000–30,000 km or 6 months
- Check king pin bushing wear and seal condition at every front wheel service
- Inspect king pin immediately if steering play increases, abnormal noise occurs, or uneven tire wear develops
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