ZF 2095.346.120 SPUR GEAR for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 2095.346.120 SPUR GEAR is a critical power transmission component engineered for the WG100, WG130, and WG131 series transmissions. This OEM genuine part functions as an intermediate gear within the planetary gear set, transferring rotational force from the input shaft to the differential assembly. The SKU 2095.346.120 is precision-machined to maintain exact gear mesh alignment, ensuring smooth torque distribution under heavy loads. When installed alongside the 2095109020 DIFFERENTIAL, this spur gear forms the core of the final drive reduction system, directly influencing vehicle traction and driveline efficiency.

Symptoms of Failure

• Whining or grinding noise during acceleration: Worn gear teeth on the 2095.346.120 produce a distinct high-pitched whine that intensifies under load, often mistaken for differential noise. This indicates tooth surface fatigue or pitting.
• Intermittent gear slipping under heavy torque: A failing spur gear may cause momentary loss of power transfer, particularly when climbing grades or hauling maximum payloads. This symptom often requires immediate inspection of the 0750117075 TAPER ROLLER BEARING which supports the gear shaft.
• Metallic debris in transmission fluid: Flaking or chipped gear teeth generate fine steel particles visible during oil changes. This contamination accelerates wear on the 2095209037 DIFFERENTIAL and associated bearings.
• Vibration through the gearshift lever: Uneven tooth wear creates cyclic vibration patterns felt in the cab, indicating the gear is no longer concentric with its axis.

Technical Specifications

Compatibility

This spur gear is specifically designed for ZF WG100, WG130, and WG131 transmissions found in medium-duty trucks, agricultural tractors, and construction equipment. It is also compatible with the WG180 and WG200 series when used in the secondary reduction stage. The gear interfaces directly with the 2095309059 DIFF.HOUSING and requires proper shimming using the 0730300820 THRUST WASHER for correct backlash. Always verify transmission serial number before ordering.

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