ZF 2052.309.168 DIFFERENTIAL BEVEL GEAR for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 2052.309.168 DIFFERENTIAL BEVEL GEAR is a critical power-dividing component engineered for the WG100, WG130, and WG131 transmission series. Positioned within the differential carrier assembly, this OEM genuine part transfers torque from the pinion shaft to the side gears, enabling smooth cornering by allowing wheel speed differentiation. The SKU 2052.309.168 is precision-machined from case-hardened alloy steel to withstand high axial loads and continuous meshing stress. It works in concert with the TRANSMISSION HOUSING and the HOUSING to maintain proper gear alignment and oil circulation within the final drive assembly.

Symptoms of Failure

• Whining or howling noise during turns — Worn bevel gear teeth produce a distinct cyclical sound, especially at low speeds when the differential is under load.
• Vibration in the driveline under acceleration — Excessive backlash from a damaged 2052.309.168 gear causes harmonic shudder felt through the chassis.
• Metal particles in transmission oil — Flaking or pitting on the gear face contaminates the lubricant, often visible during drain intervals.
• Intermittent wheel lock or slipping — Severe tooth breakage can cause the differential to bind or lose torque transfer entirely.

Technical Specifications

Compatibility

This differential bevel gear is designed for ZF WG-series transmissions, specifically the WG100, WG130, and WG131 models. It also fits select WG180 and WG200 variants when used with the corresponding HOUSING and COVER assemblies. Always verify the tooth pattern and backlash specifications before installation. For complete rebuilds, pair this gear with the correct SHAFT SEAL and O-RING to prevent lubricant loss.

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