45# Forged Steel King Pin Repair Kit Φ47mm × 255mm Complete with Bearings, Bushings, Seals & Hardware for NISSAN PK 7 Tons Truck

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.

• 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

• 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