ZF 0730.005.318 SHIM for WG65 | OEM Genuine Part

Overview

The ZF 0730.005.318 SHIM is a precision-engineered adjustment component designed specifically for the WG 65 series of heavy-duty transmissions. This genuine OEM part functions as a critical spacer within the clutch pack or planetary gearset assembly, ensuring correct axial clearance and preload tolerances. By maintaining exacting end-play specifications, the 0730.005.318 prevents metal-on-metal contact between rotating elements. This shim is installed directly inside the main transmission housing, where it supports proper gear alignment and load distribution. The SKU 0730.005.318 is manufactured to ZF’s original factory specifications, guaranteeing a perfect fit and long service life in demanding industrial applications.

Symptoms of Failure

• Delayed or harsh gear engagement — When the shim wears or compresses beyond tolerance, clutch packs lose proper preload, causing noticeable lag or jarring shifts during acceleration.
• Low-frequency transmission whine — A worn 0730.005.318 allows excessive axial play in the gear train, producing a distinct humming or whining noise that intensifies under load.
• Intermittent gear slippage under torque — Insufficient shim thickness reduces clamping force on clutch discs, leading to momentary power loss when climbing grades or hauling heavy loads.
• Metallic debris in transmission fluid — As the shim deteriorates, microscopic metal particles contaminate the oil, often visible during routine fluid changes or filter inspections.

Technical Specifications

Compatibility

This shim is engineered for the ZF WG 65 series transmission family, including models WG65, WG80, WG120, WG150, WG180, and WG200. It is also compatible with select off-highway variants such as the WG65-2 and WG65-3. The 0730.005.318 is used in both on-road truck and heavy equipment configurations where precise axial adjustment is required. Always verify your transmission’s serial number against ZF’s official parts catalog before installation.

During installation, this shim works in conjunction with the TRANSMISSION HOUSING (4616101066) which encloses the entire gearset. Secure the assembly using the HEXAGON SCREW (0636011118) to maintain proper clamping force. For additional structural support, the HOUSING (4616301307) and HOUSING (4616301309) provide the necessary mounting points for the shim’s seating surface.

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