45# Forged Steel King Pin Repair Kit Φ47mm × 255mm Complete with Bearings, Bushings, Seals & Hardware for NISSAN PK 7 Tons Truck
| Reference Cross Number: | KP-149 / MN-67 | Dimensions: | Φ47mm × 255mm |
| Material: | 45# Forged Steel (CK45 / 40CR / SAE 5140) | Color/Finish: | Bright Steel / Dark Gray |
| OEM Part Number: | 40025-91425 / 40025-NA328 | Components Included: | King Pin, Bearings, Bushings, Seals, Shims, Grease Nipples |
| Torque Specification: | 72–87 Ft-lbs (98–118 Nm) Upper Nut, 108–137 Ft-lbs (146–186 Nm) Lower Nut | Replacement Interval: | 80,000–150,000 Km |
| High Light: | 45# Forged Steel King Pin Repair Kit,Φ47mm × 255mm King Pin Kit,Complete Steering Knuckle Repair Set |
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Premium King Pin Repair Kit OEM KP-149 MN-67 40025-91425 40025-NA328 for NISSAN PK 7 Tons / UD Condor PK Series — Φ47×255mm, 45# Forged Steel, Complete with Bearings, Bushings, Seals & Hardware
This verified direct-fit steering repair set is designed for NISSAN PK 7-ton trucks and compatible NISSAN UD Condor PK-series chassis. The king pin kit serves as the critical pivot assembly connecting the steering knuckle to the front axle beam, enabling controlled and precise steering movement.
| Part Number | 40025-91425, 40025-NA328 |
|---|---|
| Product Name | King Pin Repair Kit KP-149 |
| Car Model | PK 7 |
| Engine Model | PK 7 |
| Material | 45# Forged Steel (CK45 / 40CR / SAE 5140) |
| Dimensions | Φ47mm × 255mm |
| Quality Standard | OEM equivalent / ISO quality control |
- Dimensional Accuracy: Precision-machined to Φ47mm × 255mm, verified against OEM specifications
- Material Hardness: Forged from 45# carbon steel for exceptional tensile strength and fatigue resistance
- Installation Success Rate: Direct bolt-on fitment without modification
- OEM Cross-Reference Verified: Replaces NISSAN OEM numbers 40025-91425, 40025-NA328, KP-149, MN-67
- Warranty: 12-month manufacturer warranty
- Uneven or premature front tire wear — one-sided, feathered, or diagonal wear patterns
- Steering wander or pull — vehicle drifts or pulls to one side, especially after hitting bumps
- Clunking, popping, or grinding noises — audible from front axle when turning or on uneven surfaces
- Excessive steering play — vertical play at wheel exceeds 1/8 inch (3.2 mm)
- Wheel wobble — persistent vibration through steering wheel
| Brand | Model / Application | Chassis Code | Notes |
|---|---|---|---|
| NISSAN | PK 7 Tons | PK-series | Primary application (1994 onward) |
| NISSAN UD | Condor PK | PK-series | Compatible with PK-series chassis |
| NISSAN UD | PKC210 / PKC220 | PKC210, PKC220 | Compatible with wider PK-series range |
| NISSAN UD | PKA220 | PKA220 | 1999-2002 model years |
Superior shear strength and fatigue resistance under 7-ton truck loads
Correct fitment with steering knuckle and axle beam bores
One-stop repair solution reducing vehicle downtime
Direct replacement for NISSAN 40025-91425 / 40025-NA328
Peace of mind for fleet operators and repair workshops
Consistent product quality across production batches
- Lift and secure the vehicle on a level surface
- Remove wheels, brake calipers, tie rod ends, and drag link as required
- Remove the old king pin using a hydraulic press or specialized removal tool
- Clean and inspect the axle beam bore and steering knuckle bore
- Install new bushings using proper driver tools
- Insert the new king pin — ensure centered and seated flat
- Torque specification: Consult NISSAN PK-series workshop manual for exact values
- Check vertical play and verify within OEM specification
- Lubricate through grease nipples with high-quality chassis grease
- Lubrication: Grease king pins at every chassis lubrication interval (typically 10,000–15,000 km)
- Inspection: Check for vertical play, steering looseness, and uneven tire wear at every major service
- Full replacement interval: Rated for 80,000–150,000 km depending on operating conditions
- Alignment check: Perform front-end alignment after king pin replacement
- Packing: Neutral export carton or customized labeling available
- Suitable for: Fleet maintenance, truck repair workshops, parts distributors
- MOQ: 100 pieces (bulk pricing available)
- Delivery time: 30-45 days
- Payment terms: T/T 30% deposit, balance before delivery