ZF 0636.010.744 HEXAGON SCREW for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 0636.010.744 HEXAGON SCREW is a critical OEM fastener engineered for secure clamping within the WG100, WG130, and WG131 transmission assemblies. This genuine part functions as a primary retention element, ensuring that adjacent housing components remain rigidly joined under high torque and thermal cycling. The SKU 0636.010.744 is specifically designed to interface with the 2094101012: TRANSMISSION HOUSING and the 2094301036: HOUSING, creating a sealed, vibration-resistant joint. Without this hexagon screw, the structural integrity of the gear train enclosure is compromised, leading to misalignment of internal shafts and bearings.

Symptoms of Failure

• Transmission oil seepage at housing seams: A loose or fatigued 0636.010.744 screw allows the 2094301071: COVER to shift, breaking the gasket seal and causing fluid to weep during operation.
• Audible clunking during gear engagement: When this fastener loses preload, the 2094298057: HOUSING can micro-move, producing a metallic knock under load shifts.
• Progressive gear slipping under heavy torque: Insufficient clamping force from a worn hexagon screw allows the housing halves to separate slightly, reducing bearing support and causing intermittent power loss.
• Vibration at highway speeds: A degraded 0636.010.744 permits resonant movement between the transmission housing and the bell housing, translating into cabin vibration.

Technical Specifications

Compatibility

This hexagon screw is a direct OEM fit for the ZF WG100, WG130, and WG131 series transmissions. It is also commonly used in the WG180 and WG200 models where identical housing bolt patterns exist. The 0636.010.744 secures the 2094101012: TRANSMISSION HOUSING to the 2094301036: HOUSING and the 2094298057: HOUSING assembly. Always verify thread pitch and length against your specific transmission serial number before installation.

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