ZF 2052.309.171 PIN for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 2052.309.171 PIN is a precision-engineered locating and alignment component specifically designed for the WG100, WG130, and WG131 transmission series. This OEM genuine part ensures correct positioning of internal assemblies within the gearbox, preventing axial movement and maintaining critical clearances between rotating elements. As a hardened steel pin, the SKU 2052.309.171 interfaces directly with the TRANSMISSION HOUSING to secure the clutch pack and planetary gear sets in their designated positions. Without this pin, the entire load-bearing structure of the transmission would lack the necessary rigidity for reliable torque transfer.

Symptoms of Failure

• Intermittent gear engagement delay: When the 2052.309.171 pin wears or fractures, the affected gear cluster may shift out of alignment, causing hesitation during upshifts or downshifts under load.
• Metallic rattling from the bell housing: A loose or broken pin allows adjacent components to vibrate against the HOUSING, producing a distinct rattle that intensifies at specific RPM ranges.
• Gradual oil seepage at the pin bore: Wear on the pin’s outer diameter can create a pathway for transmission fluid to bypass the HOUSING seal, leading to visible drips on the transmission pan.
• Hard shifting or gear slippage: Misalignment caused by a deformed pin prevents the shift fork from fully engaging the clutch hub, resulting in partial disengagement during acceleration.

Technical Specifications

Compatibility

This pin is engineered for the ZF WG100, WG130, and WG131 series transmissions commonly found in medium-duty commercial vehicles and off-highway equipment. It also serves as a direct replacement in the WG180 and WG200 variants when used in conjunction with the COVER assembly. The 2052.309.171 pin is not interchangeable with earlier WG series models (WG80, WG90) due to differences in housing bore dimensions. Always verify the transmission model code stamped on the housing flange before ordering.

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