King Pin Kit KP233 High-Strength SAE1045 Carbon Steel HRC55-60 Surface Hardness Direct OEM Replacement for ISUZU NKR NPR Truck

Name: King Pin Kit KP233 High-Strength SAE1045 Carbon Steel HRC55-60 Surface Hardness Direct OEM Replacement for ISUZU NKR NPR Truck
Brand: Yimi (Guangzhou) Automotive Parts Co, Ltd
SKU: KP233, KP-233, MI-10
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: YIMI

Certification: ISO/TS16949

Model Number: KP233, KP-233, MI-10

Trading Properties

Minimum Order Quantity: 10 pcs

Price: Negotiable

Payment Terms: T/T,

Supply Ability: 10000 pcs/month

isuzu car accessories

aftermarket isuzu parts

isuzu replacement parts

Specifications

Surface Finish:	Gray Phosphate / Original Steel Color	Kit Includes:	King Pin Shaft, Bearings, Bushings, Thrust Washers, Caps, Gaskets, Securing Hardware
Surface Hardness:	HRC55-60	Material:	High-Strength SAE1045 Carbon Steel / CK45, 40CR
King Pin Diameter:	Φ30×187mm	Engine Displacement:	2.8L, 5.2L
Cooling Type:	Engine Coolant Circulation	Quality Standard:	OEM Equivalent / ISO Quality Control
High Light:	Isuzu truck king pin kit , SAE1045 carbon steel king pin , OEM replacement Isuzu NKR NPR

Product Description

King Pin Kit KP233 For ISUZU NKR NPR Truck 5-87831-608-0 KP-233 SAE1045

Heavy-duty king pin repair kit restores precise steering control and eliminates front axle play in ISUZU NKR and NPR trucks, ensuring safe, responsive vehicle handling.

Product Specifications

Part Number	KP233, KP-233, MI-10
Product Name	King Pin Kit / King Pin Repair Kit / Steering Knuckle Repair Kit
Car Model	ISUZU NKR, ISUZU NPR, ISUZU ELF
Engine Model	ISUZU 4JB1, 4HK1, 4HE1
Condition	100% Brand New
Material	High-strength aluminum alloy & precision bearings
Cooling Type	Engine coolant circulation
Quality Standard	OEM equivalent / ISO quality control
Warranty	6 Months

King Pin Kit KP233 for ISUZU NKR NPR Truck

Features & Advantages

OE Quality: Manufactured to strict dimensional and material specifications for perfect fit and function
Premium Material: High-strength SAE1045 carbon steel provides exceptional durability and wear resistance
Comprehensive Kit: Includes all necessary components for a complete king pin rebuild
Precision Machining: Components manufactured to exacting tolerances for proper fitment
High Hardness: Surface hardness HRC55-60 ensures long-lasting wear resistance
Restores Steering Precision: Eliminates steering wander and loose feel caused by worn king pins
Improves Handling: Provides responsive, precise vehicle control
Prevents Uneven Tire Wear: Correct steering geometry extends tire life
Critical Safety Component: Ensures reliable steering operation
Direct Replacement: Complete kit simplifies the rebuild process
Long Service Life: Engineered to withstand the rigors of heavy-duty commercial operation
100% Tested: Quality verified through rigorous testing

King Pin Kit technical specifications and details

Vehicle & Engine Compatibility

This king pin kit is specifically designed for ISUZU light to medium-duty trucks:

ISUZU NKR - Light-Duty Trucks
ISUZU NPR - Medium-Duty Trucks
ISUZU NPR-HD - Heavy-Duty Variants
ISUZU NQR - Medium-Duty Trucks
ISUZU 100P - Light-Duty Trucks
ISUZU 600P - Light to Medium-Duty Trucks
ISUZU ELF - Light to Medium-Duty Trucks

Engine Specifications

ISUZU 4JB1 Engine: 4-Cylinder, Inline Diesel, 2.8L Displacement - Widely used in NKR and NPR series trucks

ISUZU 4HK1 Engine: 4-Cylinder, Inline Diesel, 5.2L Displacement - Used in NPR, NPR-HD, and NQR models

Front Axle Application: Front steering axle king pin assembly - Suitable for both left and right sides (kit includes both sides)

Installation Notes

Professional installation required. Proper procedure is critical for safe steering operation:

Raise and secure the vehicle - Safely raise the front axle and support on jack stands
Remove the front wheels - Remove both front wheels for access to steering components
Remove the steering knuckle - Disconnect the tie rod, drag link, and remove the steering knuckle
Remove the old king pin - Press out the old king pin and remove bushings and bearings
Inspect the axle yoke - Check the axle yoke for wear or damage; repair or replace if necessary
Clean thoroughly - Clean all components and mounting surfaces
Install new bushings - Press new bushings into the steering knuckle
Ream/hone bushings - Ream or hone bushings to correct king pin clearance (if required)
Install new king pin - Press the new king pin into the axle yoke
Install thrust bearings and spacers - Install new thrust bearings and spacers
Install the steering knuckle - Position the knuckle on the axle yoke and install the king pin
Install seals and caps - Install new seals and dust caps
Install adjusting shims - Install shims to achieve proper vertical clearance
Install grease fittings - Install new grease fittings
Reconnect steering components - Reconnect the tie rod and drag link
Grease the assembly - Apply the recommended grease until grease emerges from the joints
Reinstall wheels - Reinstall both front wheels and torque lug nuts to specification
Lower the vehicle - Lower the vehicle to the ground
Check steering operation - Turn the steering wheel lock-to-lock to check for smooth operation
Perform wheel alignment - Professional wheel alignment is mandatory
Road test - Test drive the vehicle to verify straight-line stability and responsive steering

Quality Control

Material Verification: Confirms SAE1045 steel composition meets OE strength and durability specifications
Dimensional Inspection: King pin diameter (Φ30×187mm), length, and all component dimensions verified against OEM tolerances
Hardness Testing: Surface hardness verified to HRC55-60
Surface Finish Inspection: Machined surfaces checked for proper finish (gray phosphate / original steel color)
Component Compatibility: All kit components verified for proper fitment and function
Test Method: GB/T 4336-2002 testing standards applied
Visual Inspection: 100% checked for defects, machining flaws, or damage
Packaged Safely: Protected and securely packaged to prevent damage during transit

Packaging and Delivery

Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea

Inquiry

For pricing, availability, or bulk purchase of the King Pin Kit KP233 For ISUZU NKR NPR Truck 5-87831-608-0 KP-233 SAE1045, please contact our sales team for a competitive quote and expert technical support.