ZF 4660.105.076 COUPLING for WG 92/WG 98 | OEM Genuine Part

Overview

The ZF 4660.105.076 COUPLING is a critical driveline component engineered specifically for the WG 92 and WG 98 transmission series. This OEM genuine part acts as the mechanical interface between the engine output and the torque converter assembly, ensuring precise torque transfer and rotational alignment. The SKU 4660.105.076 is manufactured to ZF’s exacting tolerances, reducing vibration and wear in high-stress industrial applications. When installed correctly, this coupling works in concert with the 4660101015: TRANSMISSION HOUSING to maintain structural integrity under heavy loads.

Symptoms of Failure

• Oil leaks at the bell housing interface: A worn 4660.105.076 coupling often causes transmission fluid seepage where the coupling meets the housing, leading to low fluid levels and overheating.
• Gear slipping under load: When the coupling’s splines or mating surfaces degrade, you may experience intermittent power loss or gear slippage during acceleration, especially in WG 98 series units.
• Abnormal driveline vibration: A failing coupling creates noticeable shuddering or clunking noises during gear changes, often misdiagnosed as torque converter issues.
• Hard shifting or delayed engagement: Worn coupling tolerances can cause delayed engagement when shifting from neutral to drive, a common long-tail search query for WG transmission repairs.

Technical Specifications

Compatibility

This coupling is primarily designed for ZF WG 92 and WG 98 series transmissions, including the WG180, WG200, and WG210 models. It is also compatible with select WG 120 variants when used with the 4660301054: HOUSING II adapter. For proper alignment, always pair this part with the 0631306174: CYLINDRICAL PIN and verify the 0769123894: TYPE PLATE matches your transmission’s serial number range.

Related Components