ZF 4657.102.002 INPUT for WG210 | OEM Genuine Part

Overview

The ZF 4657.102.002 INPUT for WG210 is a critical OEM genuine component engineered to manage torque transfer from the engine to the transmission’s planetary gear sets. Positioned at the front of the main shaft assembly, this input shaft directly interfaces with the torque converter and the TRANSMISSION HOUSING, ensuring precise rotational alignment under heavy loads. As a wear-prone element in the WG 210 Series, the SKU 4657.102.002 is machined from high-strength alloy steel to withstand continuous stress in industrial and commercial drivetrains. Replacing this part with the OEM genuine unit restores factory-specified clearances and prevents cascading damage to adjacent components.

Symptoms of Failure

When the ZF 4657.102.002 INPUT begins to degrade, operators often notice specific performance issues. Look for these failure indicators to avoid costly downtime:

• Transmission gear slipping under load – Worn splines on the input shaft cause intermittent engagement, particularly during uphill or high-torque operations.
• Metallic debris in transmission fluid – Flaking or pitting on the shaft surface contaminates the oil, often visible during routine filter inspections.
• Vibration or noise from the bell housing area – A loose or worn input shaft creates radial play, leading to a distinct rattle or whine at specific RPM ranges.
• Oil leaks near the front seal – Excessive shaft wear damages the sealing surface, allowing fluid to escape past the CYLINDRICAL PIN alignment bore.

Technical Specifications

Compatibility

This input shaft is specifically designed for the ZF WG 210 Series transmissions. It is also compatible with the following ZF models that share the same input architecture: WG180, WG200, and WG211. The part integrates directly with the HOUS.FRONT SECT and the HOUSING REAR PART, forming the core rotating assembly. Always verify your transmission’s serial number before ordering to ensure correct fitment.

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