ZF 4651.199.045 LOOSE PARTS for WG100 | OEM Genuine Part

Overview

The ZF 4651.199.045 LOOSE PARTS kit is a critical service assembly designed specifically for the WG 100 Series transmission. This OEM genuine part contains the essential fasteners, seals, and small hardware required to secure and seal the transmission housing during rebuilds or major repairs. The SKU 4651.199.045 ensures that all loose components within the assembly meet ZF’s exacting tolerances, preventing contamination and maintaining hydraulic pressure integrity. When paired with the 4651101007: TRANSMISSION HOUSING, this kit provides the necessary hardware to complete the housing installation without sourcing individual bolts or washers.

Symptoms of Failure

When the loose parts in this kit wear out or are improperly installed, operators typically encounter specific failure modes. Oil seepage around the housing mating surfaces is the most common symptom, often caused by degraded O-rings or incorrectly torqued fasteners. Transmission fluid contamination occurs when loose debris enters the system through unsealed housing joints, leading to premature clutch wear. Vibration-induced loosening of housing bolts can produce audible rattling during gear changes, particularly under load. Finally, erratic shift quality may develop if the internal screen sheets shift out of position due to missing retaining hardware.

Technical Specifications

Compatibility

This loose parts kit is engineered for the ZF WG 100 Series transmission family. It is directly compatible with the WG100, WG120, and WG150 models. The kit also serves as a service replacement for the WG180 and WG200 transmissions when used in conjunction with the 4651301029: HOUSING assembly. For proper sealing, always replace the 0634303928: O-RING simultaneously. When rebuilding the rear housing section, the 4651301024: HOUSING requires this kit to secure the internal screen sheets and cap screws.

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