ZF 0730.109.165 SHIM | OEM Genuine Part

Overview

The ZF 0730.109.165 SHIM is a precision-engineered OEM genuine part designed for axial clearance adjustment within heavy-duty ZF transmissions. This thin, hardened steel component sits between the bearing cover and housing assembly to establish the correct preload and end-play tolerances for rotating gear sets. The SKU 0730.109.165 is critical for maintaining proper gear mesh alignment in construction machinery transmissions, preventing metal-to-metal contact that leads to premature wear. When installed alongside the 4108301304: BEARING COVER and the 4108101127: HOUSING, this shim ensures the planetary gear assembly operates within factory-specified tolerances.

Symptoms of Failure

• Transmission gear slipping under load – When the shim wears or compresses beyond specification, axial clearance increases, causing gear teeth to lose proper engagement during heavy excavation or lifting operations.
• Low-frequency humming or grinding noise – A worn 0730.109.165 shim allows the bearing cover to shift, producing a distinct metallic grinding sound from the transmission housing during acceleration or deceleration.
• Premature bearing failure – Incorrect shim thickness leads to excessive bearing end-play, which accelerates wear on the 4108201277: HOUSING and adjacent components, often requiring complete transmission disassembly.
• Oil contamination from metal particles – As the shim degrades, microscopic steel fragments enter the transmission fluid, visible as glitter in oil samples during routine maintenance checks.

Technical Specifications

Compatibility

This shim is primarily used in ZF WG180, WG200, and WG210 series transmissions found in wheel loaders, excavators, and telehandlers from manufacturers such as Liebherr, Caterpillar, and Volvo. It fits directly into the bearing preload stack between the 4108306173: GASKET and the planetary carrier assembly. Always verify the shim thickness requirement using the factory service manual for your specific transmission model, as multiple thickness variants exist within the 0730.109.xxx series.

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