Product Introduction

The AZ9231320271 Differential Repair Kit is an important maintenance solution for the rear axle differential system of SINOTRUK HOWO A7, HOWO T7H, HOWO TX, SITRAK C7H, and G7 trucks. It is designed to restore the operating performance of differential assemblies affected by long-term operation, heavy loads, gear wear, or internal component damage. The OEM number AZ9231320271 is commonly applied to HOWO driving axle differential assemblies and related axle systems.

The differential repair kit helps replace worn internal parts, maintain proper gear meshing clearance, improve torque distribution, and ensure smooth power delivery from the axle to both drive wheels. It is widely used during differential overhaul, rear axle rebuilding, fleet maintenance, and aftermarket truck repair.

Manufactured according to OEM specifications, the repair kit features high-strength materials, precision machining, and strict dimensional control to achieve accurate installation with original SINOTRUK axle assemblies. The components provide excellent wear resistance, impact resistance, and stable performance under harsh road conditions.

The kit is suitable for HOWO A7, T7H, TX, SITRAK C7H, and G7 models equipped with compatible rear axle configurations. Before installation, customers should confirm axle model, differential structure, and OEM number to ensure correct matching.

Each repair kit undergoes strict quality inspections including dimensional accuracy testing, material inspection, surface finish checking, and assembly compatibility verification to ensure reliable performance and extended service life.

Technical Specifications

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