ZF 4642.199.915 LOOSE PARTS for WG201 | OEM Genuine Part

Overview

The ZF 4642.199.915 LOOSE PARTS kit is a critical service component designed for the WG 201 series transmission. This genuine OEM assembly includes all necessary fasteners, seals, and small hardware required to secure internal components during a rebuild or major repair. Specifically, the SKU 4642.199.915 provides the loose hardware that interfaces between the main casing and the valve body assembly, ensuring proper clamping force and fluid sealing. Without this kit, the transmission cannot maintain hydraulic pressure integrity, leading to operational instability. It is often replaced in conjunction with the 4644101160: TRANSMISSION HOUSING and the 4644301323: TRANSMISSION HOUSING to guarantee a complete sealing surface.

Symptoms of Failure

When the 4642.199.915 loose parts begin to degrade or are improperly torqued, operators will notice distinct failure modes. First, external oil seepage around the transmission housing bolts is common, as the included seals lose their elasticity. Second, intermittent gear slipping under load occurs when the fasteners loosen, allowing the valve body to shift slightly. Third, erratic shift timing or harsh engagement can develop if the hardware fails to maintain consistent clamping force. Finally, visible metal debris in the oil pan may appear if a bolt fractures, contaminating the entire hydraulic circuit.

Technical Specifications

Compatibility

This ZF 4642.199.915 kit is engineered for the WG 201 transmission family, but it also cross-references with the WG 180 and WG 200 series due to shared bolt patterns and seal dimensions. It is not compatible with the WG 120 or WG 150 series. Always verify the housing casting number before installation. The kit works directly with the 4644301189: THREADED BUSH and the 4475280043: SCREW PLUG to complete the sealing assembly.

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