Auto Parts - Wheel Hub Bolt Kits

Product Overview

Automotive Fasteners & Parts

Xiamen Carelong is a specialized manufacturer of high tensile automotive fasteners and replacement parts for commercial vehicles. Our core product lines include wheel hub bolt kits, U-bolts, and king pin kits designed primarily for Japanese truck brands — Isuzu, Hino, Mitsubishi Fuso, and Nissan Diesel. With over 20 years of manufacturing experience, we produce parts that meet or exceed OEM specifications in strength, precision, and durability.

Every component undergoes rigorous multi-stage inspection, from raw material testing to finished product verification. Our cold heading and hot forging capabilities allow us to produce fasteners in grades 8.8, 10.9, and 12.9, suitable for the most demanding automotive applications including wheel mounting, suspension systems, and steering assemblies.

Hub Bolt Kits U-Bolts King Pin Kits Grade 10.9 & 12.9

Specifications

Technical Specifications

Product Range
Wheel hub bolt kits, U-bolts, king pin kits, wheel nuts, stud bolts
Compatible Brands
Isuzu, Hino, Mitsubishi Fuso, Nissan Diesel, Mercedes-Benz, Volvo
Material
Carbon steel 45#, alloy steel 40Cr, ML20MnTiB
Strength Grade
8.8, 10.9, 12.9 (high tensile class)
Surface Treatment
Zinc plated, phosphate, black oxide, Dacromet
Thread Standard
Metric (M10–M30), JIS, DIN, custom specs
Manufacturing Process
Cold heading, hot forging, CNC machining, thread rolling
Application
Truck wheel hubs, suspension systems, steering, chassis assembly
Certification
ISO 9001, SGS tested, OEM approved

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