ZF 4108.311.050 WASHER | OEM Genuine Part

Overview

The ZF 4108.311.050 WASHER is a precision-engineered OEM genuine component designed for critical load distribution within heavy-duty construction machinery transmissions. This hardened steel washer sits between the transmission housing and rotating shaft assemblies, preventing axial play and maintaining correct gear mesh alignment. As an OEM part, the 4108.311.050 ensures factory-specified tolerances that aftermarket alternatives often fail to replicate. It is frequently replaced during major overhauls alongside the 4108101057 HOUSING and 4108201177 HOUSING to restore original clamping force and shaft positioning.

Symptoms of Failure

• Transmission oil seepage at housing joints – A worn 4108.311.050 washer allows micro-movement between components, breaking the seal created by the 0636302056 SCREW PLUG and gasket surfaces, leading to visible oil weeping.
• Intermittent gear grinding under load – When the washer thickness degrades, shaft end-play increases, causing gear teeth to lose full contact and produce a metallic scraping sound during excavation or grading operations.
• Abnormal vibration in the driveline – A collapsed or cracked washer fails to dampen axial forces, transmitting harsh vibrations through the 4108301304 BEARING COVER and into the chassis.
• Difficulty engaging forward/reverse gears – Excessive clearance from a flattened washer prevents the shift mechanism from fully seating clutch packs, resulting in delayed or rough gear engagement.

Technical Specifications

Compatibility

This washer is engineered for ZF WG series powershift transmissions commonly used in wheel loaders, dozers, and telehandlers. It is a direct fit for the WG180, WG200, and WG211 transmission models. The 4108.311.050 also appears in certain ZF 4WG-200 and ZF 6WG-200 variants where it functions as a thrust washer in the input shaft assembly. Always verify by cross-referencing with your existing part or consulting the transmission’s parts manual.

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