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ISUZU King Pin Kit KP-234 1-87830716-0 1878307160 for FORWARD FSR — 4.3kg OEM Standard
Product Overview
The ISUZU Steering Knuckle King Pin Kit, model KP-234, with OEM numbers 1-87830716-0 / 1878307160 and 1-87830614-0 / 1878306140, is a precision-engineered replacement designed for ISUZU FORWARD series and FSR series medium-duty trucks (since 1984). This complete overhaul kit contains king pins, bushings, thrust bearings, oil seals, gaskets, snap rings, and all necessary mounting accessories.
Numbering Note: This product is model KP-234, featuring two OEM numbers: 1-87830716-0 / 1878307160 and 1-87830614-0 / 1878306140. The corresponding model is MI-61H. Same-series KP-235 (MI-62H) fits different appliions. Please verify the specific number based on actual vehicle configuration.
Working Principle
The king pin is a core pivot component of the vehicle's front axle steering system, connecting the steering knuckle to the front axle I-beam. Its working principle includes:
Steering Pivot: Serves as the rotation axis for the steering knuckle, allowing the wheel to pivot left and right for steering.
Load Bearing: Withstands the vertical load at the front of the vehicle (vehicle weight and payload) as well as lateral and longitudinal forces during cornering.
Friction Reduction: The king pin and bushings form a sliding bearing interface, lubried with grease for light, responsive steering.
Precise Alignment: The king pin inclination directly affects caster angle, king pin inclination, and other alignment parameters for straight-line stability.
Failure Symptoms
Inspect immediately if any of these symptoms occur:
Symptom
Probable Cause
Loose steering; excessive steering wheel free play
Worn king pin and bushings; increased clearance
Front wheel shimmy (steering wobble), especially at high speeds
Worn king pin causing alignment changes
"Clunking" metallic noise when turning or driving over bumps
Severely worn king pin/bushings or loss of lubriion
Uneven tire wear (excessive inner or outer edge wear)
Worn king pin causing wheel misalignment
Visual inspection shows torn dust boot or grease leakage
Material: 45# Steel — heat-treated for excellent wear resistance and fatigue strength
Kit Contents: Includes king pins, bushings, thrust bearings, oil seals, gaskets, snap rings, and all necessary mounting accessories
Parts Figure Number: 410-003
HS Code: 870850000
Quality Grade: High Quality
Brand Certifiion: Manufactured under ISO/TS16949 automotive quality management system certifiion
Condition: Brand New — 100% quality inspected
Supply Capacity: 10000 sets/month
Delivery Time: 5–8 working days
Vehicle Compatibility
Primary Appliions:
Brand
Model Series
Chassis
Years
Notes
ISUZU
FORWARD
FSR
1984+
Medium-duty truck
ISUZU
FSR
FSR
1984+
Medium-duty truck
ISUZU
NPR
NPR
—
Light/medium-duty truck
ISUZU
NKR
NKR
—
Light-duty truck
ISUZU
ELF
NHR
—
Light-duty truck
Extended Compatibility Note: This product (KP-234) is primarily designed for ISUZU FORWARD (FSR) series (since 1984). Same-series KP-235 (MI-62H) also fits FORWARD/FSR but with different OEM numbers. KP-236 (MI-65H) fits ISUZU GIGA (CVR, CXZ, EXD) heavy-duty trucks. Please verify the chassis code and year on the vehicle nameplate before ordering.
Important Fitment Warnings
Number Confirmation: This product is model KP-234, featuring two OEM numbers 1-87830716-0 / 1878307160 and 1-87830614-0 / 1878306140. KP-235 (MI-62H) also fits FSR but with different numbers. Verify the specific number on the original part before ordering.
Kit Contents: This is a complete kit including king pins, bushings, thrust bearings, oil seals, gaskets, snap rings, and all necessary mounting accessories. Confirm all components are present before installation.
Lubriion Requirement: Apply sufficient high-temperature lithium grease to king pin and bushing contact surfaces during installation; ensure grease fitting is clear.
Installation Torque: Refer to ISUZU factory workshop manual for king pin retaining bolt and steering arm bolt torque specifiions.
Pair Replacement Recommended: King pins should be replaced in pairs (left and right) for consistent steering performance.
Post-Installation Alignment: Wheel alignment is mandatory after king pin kit replacement — ensure caster angle, king pin inclination, and other parameters are correct.
Professional Installation: The king pin is a critical steering system safety component requiring front axle disassembly and precision adjustment — must be performed by a qualified technician.
Features & Benefits
Complete Kit
Includes all necessary components — one-stop overhaul solution; eliminates delays from missing components.
45# Steel Construction + Heat Treatment
Excellent wear resistance and fatigue strength for long-term reliable operation under high-load steering conditions.
Precision-Machined Dimensions (35*199mm)
Ensures precise fitment with steering knuckle and front axle I-beam — direct OEM replacement.
ISO/TS16949 Quality Management Certified
Internationally recognized automotive industry quality standard — ensures full-process quality control.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
