High-strength alloy steel King Pin Kit MK999393 for Mitsubishi Fuso FM658 — Complete repair kit with OEM Quality
| Material: | High-strength Alloy Steel (king Pin) | Kit Contents: | King Pin, Bearings, Bushings, Shims, Seals, Etc. |
| Vehicle Fitment: | Mitsubishi Fuso FM658 | Part Number: | MK999393 / MK 999393 |
| Condition: | Brand New — 100% Quality Inspected | Weight: | Standard |
| Installation: | Direct OEM Replacement | Cooling Type: | Engine Coolant Circulation |
| High Light: | High-strength alloy steel King Pin Kit,Complete repair kit King Pin Kit,OEM Quality Steering Knuckle King Pin Kit |
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The King Pin Kit with OEM number MK999393 / MK 999393 is a verified direct-fit replacement for Mitsubishi Fuso FM658 series heavy-duty trucks. This king pin kit provides a complete repair solution for front axle steering knuckle maintenance, including king pins, bearings, bushings, shims, and seals.
The king pin is the core pivot component of the front axle steering system, connecting the axle beam to the steering knuckle and allowing the wheels to pivot left and right for steering. This complete kit includes:
- King Pin — Precision-machined pivot pin bearing vertical front axle loads and steering lateral forces
- Bearings / Bushings — Reduce friction between the king pin and steering knuckle for light steering effort
- Shims / Seals — Adjust axial clearance and prevent grease leakage and contaminant ingress
Replace immediately if any of these symptoms occur:
- Loose Steering / Excessive Play — Increased steering wheel free play; delayed steering response
- Front Wheel Wobble / Vibration — Noticeable wheel oscillation while driving, especially on rough roads
- Heavy Steering — Steering wheel becomes significantly heavier
- Uneven Tire Wear — Feathering or irregular wear on front tires
- Brake Pull — Vehicle pulls to one side during braking
- Clunking Noises — Metallic knocking sounds from front axle while driving or turning
| Part Number: | MK 999393 | Product Name: | King Pin Kit |
|---|---|---|---|
| Car Model: | Fuso FM658 | Engine Model: | Fuso FM658 |
| Condition: | 100% Brand New | Size: | Standard |
| Material: | High-strength aluminum alloy & precision bearings | Installation: | Direct OEM replacement |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Brand | Model | Chassis | Notes |
|---|---|---|---|
| Mitsubishi Fuso | FM658 | FM658 | Primary fitment |
Important Installation Notes:
- This is a complete king pin repair kit — includes all components for both left and right sides
- Confirm king pin dimensions match your front axle before installation
- Recommended to replace both left and right sides simultaneously for consistent steering performance
- Use special press tools during installation — do not hammer the king pin or bushings
- Grease thoroughly after installation and adjust king pin axial clearance to specification
- For 100% accurate fitment, please provide VIN (Chassis Number) or chassis code
Well-known international brand, specifically designed for Mitsubishi Fuso trucks — proven quality, globally trusted
One-stop solution for steering knuckle overhaul — includes king pin, bearings, bushings, shims, seals, etc.
High strength, wear resistance, impact resistance for heavy-duty truck steering applications
No modification needed for quick installation — exact match to Mitsubishi Fuso FM658 OEM specifications
Supports brand customized packaging for different market needs
Peace of mind on manufacturing defects — free replacement within warranty period
| QC Item | Verification Method | Standard |
|---|---|---|
| King Pin Dimensional Accuracy | Precision gauge | Meets OEM installation dimension standards |
| Material Composition | Spectrographic analysis | Meets alloy steel standard |
| Surface Hardness | Rockwell hardness tester | Meets OEM hardness standard |
| Bushing ID Accuracy | Precision bore gauge | Meets OEM standards |
| Visual Inspection | 100% visual inspection | No cracks, burrs, or rust |
IMPORTANT SAFETY NOTICE: The king pin is a critical safety component of the front axle steering system. Improper installation may cause steering failure or wheel detachment, leading to serious traffic accidents. Installation should be performed by qualified chassis specialists. Always perform wheel alignment and a road test after installation.
- Safety Prep: Park on level ground, chock wheels, lift and support front axle
- Remove Front Wheel: Remove front wheel tire and hub assembly
- Remove Steering Knuckle: Remove tie rod end, brake caliper, and other components; remove steering knuckle from axle beam
- Press Out Old King Pin: Use special press tools to press old king pin out of the knuckle
- Clean Mounting Holes: Thoroughly clean king pin mounting holes in knuckle and axle beam
- Inspect Mounting Holes: Check for scoring, wear, or deformation
- Install New Bushings: Use special press tools to press new bushings into knuckle (do not hammer)
- Install New King Pin: Insert new king pin through knuckle and axle beam; ensure smooth fit
- Install Bearings & Shims: Install new bearings and adjustment shims; set king pin axial clearance to specification
- Grease: Inject sufficient high-quality grease through grease fittings
- Install Steering Knuckle: Reinstall knuckle assembly onto axle beam; torque mounting bolts to specification
- Reinstall Components: Reinstall brake caliper, tie rod end, and other components
- Wheel Alignment: Wheel alignment is mandatory — adjust toe and camber angles to specification
- Road Test: Perform road test — confirm smooth steering, no pulling, no abnormal noise
| Item | Interval |
|---|---|
| Steering System Inspection | Every 10,000 km or 6 months |
| King Pin Greasing | Every 5,000 km or 3 months |
| King Pin Replacement | When loose steering, noise, uneven tire wear is found; or inspect at 200,000 km |
- Packaging: Neutral carton / Color box / Custom branded packaging
- Packaging Unit: 1 kit/box
- MOQ: Small orders accepted; volume discounts available
- Delivery Time: 15-20 days after deposit
- Target Customers: Truck parts wholesalers, repair chain stores, fleet purchasers, cross-border e-commerce sellers
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