ZF 4644.183.066 LOOSE PARTS for WG201 | OEM Genuine Part

Overview

The ZF 4644.183.066 LOOSE PARTS kit is a critical service assembly designed for the WG 201 series transmission. This genuine OEM part consolidates essential wear items that secure and seal internal components within the gearbox housing. Specifically, the SKU 4644.183.066 includes the fasteners and bushings required to mount the 4644101160: TRANSMISSION HOUSING and the 4644301323: TRANSMISSION HOUSING sections together. Without this loose parts set, the transmission cannot maintain proper alignment or oil containment during high-torque operation.

Symptoms of Failure

When the ZF 4644.183.066 LOOSE PARTS assembly begins to degrade, operators will notice distinct performance issues. Oil weeping from the housing seam is the most common early indicator, often mistaken for a gasket failure. Intermittent gear slippage under load occurs as the 4644301189: THREADED BUSH loses its clamping force. Abnormal vibration during gear engagement signals that the loose parts have allowed housing shift. Finally, metal debris in the transmission fluid confirms that fasteners have fatigued and are grinding against internal surfaces.

Technical Specifications

Compatibility

This genuine ZF 4644.183.066 LOOSE PARTS kit is engineered for the WG 201 transmission family. It is directly compatible with WG180, WG200, and WG210 models that share the same housing bolt pattern. The kit also supports the 4475280043: SCREW PLUG installation point, ensuring all pressure ports remain sealed. For complete assembly, technicians should verify the housing variant matches the 4644101160: TRANSMISSION HOUSING or 4644301323: TRANSMISSION HOUSING specifications.

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