Introduction

The 2403002 Planetary Gear Differential is a core axle transmission component specially designed for heavy-duty truck rear axle systems. As the key part responsible for power distribution and differential rotation, it adjusts the speed difference between left and right driving wheels during vehicle turning, straight running and uneven road driving, effectively preventing tire dragging and abrasion. Adopting high-strength alloy steel and professional forging and carburizing quenching technology, this planetary gear differential assembly features ultra-high hardness, strong impact resistance and excellent load-bearing capacity. It can stably output power under full-load climbing, long-distance transportation and complex road conditions, solving common faults such as axle abnormal noise, weak power, wheel jitter and difficult turning caused by worn or damaged differential gears. It is a standard OEM replacement part for heavy-duty truck rear axle maintenance and overhaul.

Key Features

✅️100% OEM Exact Fit 

Manufactured strictly in accordance with original factory standards with exclusive part number 2403002. All gear parameters, assembly dimensions, tooth modulus and mounting positions fully match the original rear axle structure. No modification is required for direct installation, perfectly compatible with matching heavy-duty truck axle models.

✅️High-Strength Alloy Forging Structure 

Made of premium high-density alloy steel through integral forging and multi-times heat treatment. The planetary gear and differential assembly integrate high hardness and structural toughness, which can withstand super heavy load torque and instantaneous impact force, avoiding gear tooth breakage, deformation and peeling during long-term heavy-duty operation.

✅️Precision Tooth Matching & Flexible Differential Performance 

Adopts CNC precision tooth grinding and fine finishing process with accurate tooth surface radian and uniform meshing clearance. It realizes flexible differential rotation, makes vehicle turning smoother and more stable, effectively reduces driving resistance and solves the problem of inflexible turning and tire skidding.

✅️Excellent Wear & Fatigue Resistance 

Professional surface carburizing and quenching strengthening treatment greatly improves surface wear resistance and high-temperature fatigue resistance. It adapts to harsh working environments such as frequent starting, heavy-load climbing and bumpy road vibration, effectively delaying component aging and extending axle service life.

✅️Stable Power Output & Reduce Axle Faults 

Accurate gear meshing ensures uniform power distribution and stable transmission efficiency. It thoroughly eliminates typical rear axle faults such as abnormal running noise, power attenuation, driving jitter and serious tire wear, restoring the original driving performance of the vehicle.

✅️Cost-Effective Aftermarket Solution 

Factory direct supply with strict dynamic balance test and load-bearing inspection, reaching OEM original quality with competitive price. Widely applicable to various heavy-duty truck rear axle systems, it is highly recognized by repair shops, fleets and global spare parts wholesalers in Middle East, Africa, Central Asia and other overseas markets.

Detail

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Contact with clear photo of engine nameplate or chassis number:

Linda Zhang

Whatsapp:+86 176 6066 8410

EMAIL:sales16@chinatruck.cc