Mitsubishi Fuso King Pin Kit OEM MC996349 MC994306 45×220 mm / Φ50×243 mm Alloy Steel Steering Knuckle Repair Kit
Basic Properties
Place of Origin:
CHINA
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
FN622 FV519JX FK617 FM618
Trading Properties
Minimum Order Quantity:
20 PCS
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| Weight: | Approx. 7.65 Kg (kit) | King Pin Dimensions: | 45×220 Mm (KP-554 Spec) / Φ50×243 Mm (MC994306 Certain Specs) |
| Engine Compatibility: | 6D16 / 6D17 / 6M60 / 6D16-2A / 6D17-1A2 | Material: | Alloy Steel (king Pin) / Bronze Or Steel-backed Composite Bushings |
| Package Dimensions: | Approx. 270×120×80 Mm | Seals Included: | Oil Seals, Bushings, Thrust Bearing, Lock Pin Included (per Kit Configuration) |
| Installation Torque: | 18.63–30.41 N·m (190–310 Kgf·cm) | Lubrication Type: | NLGI #2 EP Grease Recommended |
| High Light: | OEM MC996349 MC994306 King Pin Kit,45×220 mm / Φ50×243 mm Steering Knuckle Repair Kit,Alloy Steel King Pin Kit |
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Product Description
Mitsubishi Fuso King Pin Kit MC996349 MC994306 KP-554 for FN622 FV519JX FK617 FM618
Verified OEM Direct-Fit Replacement 45*220mm / Φ50*243mm
Product Overview
The Mitsubishi Fuso King Pin Kit with OEM numbers MC996349 / MC994306 (cross-reference KP-554 / KP-554X / MM-74) is a verified direct-fit steering repair kit for Mitsubishi Fuso FN622, FV519JX, FK617, FM618, and FM617 heavy trucks. This king pin kit is a critical component of the steering knuckle assembly, connecting the steering knuckle to the front axle beam, bearing vertical loads while allowing the knuckle to pivot for vehicle steering.
Working Principle: The king pin is vertically installed at the end of the front axle beam. The steering knuckle rotates around the king pin via bushings and a thrust bearing. Lubrication between the king pin and bushings reduces friction, enabling smooth steering operation. The thrust bearing carries the vehicle's vertical load, ensuring the knuckle can rotate freely under load.
Quality Verification
- Field-Verified Fitment: Compatible with Mitsubishi Fuso FN622 / FV519JX / FK617 / FM618 / FM617 chassis, engine codes 6D16 / 6D17 / 6M60 series
- Installation Success Rate: [TBD] % direct bolt-on fitment — confirmed across [TBD] repair orders
- Proven Durability: Rated for [TBD] km under normal operation — based on [TBD] (bench test data / fleet tracking records)
- OEM Cross-Reference Verified: Directly replaces MC996349 / MC994306 / MC828346 / MC998478 / MC998623 / MK996930 / KP-554 / KP-554X / MM-74 / MR554
- Multi-Brand Aftermarket Validation: IZUMI-branded equivalent installed globally — confirmed via multilingual product listings and dealer inventory records
Failure Symptoms
Replace promptly if observed:
- Steering noise — Worn king pin bushings create excessive clearance, causing metallic knocking or clunking sounds during steering
- Heavy or binding steering — Insufficient lubrication or seized king pin significantly increases steering effort
- Abnormal front tire wear — King pin clearance alters front wheel alignment, causing irregular or feathered tire wear
- Brake pull — Loose king pin causes steering knuckle misalignment, pulling the vehicle to one side during braking
- Excessive steering play — With the front axle raised, noticeable axial or radial play is felt when rocking the tire at 12/6 o'clock positions
Product Specifications
| Part Number: | MC996349 MC994306 |
| Product Name: | King Pin Kit |
| Car Model: | FUSO |
| Engine Model: | FN622 FV519JX FK617 FM61 |
| Condition: | 100% Brand New |
| Material: | High-strength aluminum alloy & precision bearings |
| Installation: | Direct OEM replacement |
| Quality Standard: | OEM equivalent / ISO quality control |
| Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe |
Vehicle & Engine Compatibility
Primary Applications:
| Brand | Model / Series | Chassis | Engine | Years |
|---|---|---|---|---|
| Mitsubishi Fuso | Fighter | FK617 | 6D16-2A / 6D16-1AT2 | 1995–1997 |
| Mitsubishi Fuso | Fighter | FK618 | 6D17-1A2 | 1997– |
| Mitsubishi Fuso | Fighter | FK61F / FK62F | 6M60-3AT1 | 2008– |
| Mitsubishi Fuso | Fighter | FK65F | 6M60-3AT1/2 | 2008–2015 |
| Mitsubishi Fuso | Fighter | FM517 | 6D16-1A/T-1A | 1991– |
| Mitsubishi Fuso | Fighter | FM618 | 6D17-1A2 | 1995– |
| Mitsubishi Fuso | FN622 | FN Series | [TBD] | [TBD] |
| Mitsubishi Fuso | FV519JX | FV Series | [TBD] | [TBD] |
Important Compatibility Notes:
- This kit is designed for vehicles equipped with 20" or 22.5" wheels. Confirm wheel size before installation.
- FM517 compatibility applies to Crew Cab models only.
- Some FN622 / FV519JX configurations may require different king pin specifications. Provide VIN or chassis number for precise fitment confirmation before ordering.
- King pin dimensions are available in 45*220 mm and Φ50*243 mm variants. Verify original dimensions before selection.
Features & Benefits
| Feature | Benefit + Verification Signal |
|---|---|
| Forged Alloy Steel King Pin | Withstands high-load conditions with superior shear strength — verified against OEM material specification and ISO9001 system |
| Precision Bushing Fit | Ensures smooth knuckle rotation with reduced steering effort — 100% dimensional inspection at factory |
| Complete Kit Configuration | Includes king pin, bushings, thrust bearing, oil seals, and lock pin — reduces separate procurement time |
| Multi-Generation Cross Compatibility | Fits FK / FM / FN / FV series chassis — verified through cross-reference part numbers |
| 12-Month / 20,000 km Warranty | Reduces after-sales risk and supports procurement confidence |
Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| King pin dimensional accuracy | CMM (Coordinate Measuring Machine) / micrometer inspection |
| King pin hardness | Rockwell hardness tester (HRC) |
| Bushing inner diameter | Inside micrometer inspection against OEM tolerance |
| Thrust bearing rotation | Manual rotation check for free movement without binding |
| Surface treatment | Visual inspection + coating thickness gauge (anti-rust treatment) |
| Pre-shipment inspection | 100% visual and dimensional check |
| System certification | ISO9001 / IATF16949 (supplier applicable) |
Installation & Maintenance
IMPORTANT: Steering system repair must be performed by qualified professional technicians. Always secure the front axle with jack stands before installation.
Installation Guidelines (Reference Mitsubishi Fuso workshop manual):
- Remove the king pin lock pin lock nut, extract the king pin lock pin, and remove the king pin
- Clean the axle beam king pin bore and steering knuckle, removing rust and old grease
- Install new bushings into the steering knuckle, using a bushing press tool if necessary
- Install the thrust bearing and adjustment shims, then insert the king pin
- Tighten the king pin lock pin lock nut to specified torque — reference value: 18.63–30.41 N·m (190–310 kgf·cm)
- Install the castle nut and temporarily tighten to 15–32 N·m
- Confirm smooth king pin operation without binding or excessive clearance
- Apply grease to all lubrication points (NLGI #2 EP grease recommended)
Maintenance Schedule:
- Inspect king pin bushing clearance and lubrication every 40,000 km or 90 days, whichever comes first
- Perform detailed king pin bushing inspection every 100,000 km or 1 year
- Remove and inspect king pin and bushing wear every [TBD] km, or upon detecting steering noise / heaviness
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