ZF 4644.199.764 LOOSE PARTS for WG201 | OEM Genuine Part

Overview

The ZF 4644.199.764 LOOSE PARTS kit is a critical service component designed for the WG 201 series transmission. This assembly contains the specific fasteners, seals, and positioning elements required to secure internal clutches and drums within the main housing. As an OEM genuine part, SKU 4644.199.764 ensures that all loose components meet ZF’s exacting tolerances for axial play and torque retention. Without this kit, the clutch pack assembly cannot be properly anchored, leading to misalignment during high-torque operation. It is typically installed during a full rebuild or when replacing the 4644101203: TRANSMISSION HOUSING to guarantee a factory-correct fit.

Symptoms of Failure

When the ZF 4644.199.764 LOOSE PARTS begin to degrade, operators often notice specific operational faults. Look for these warning signs to avoid catastrophic transmission damage:

• Intermittent gear slippage under load: Worn retaining clips or bushings allow clutch packs to shift, causing power loss during acceleration.
• Metallic rattling from the bell housing: Loose components striking the 4644301382: TRANSMISSION HOUSING produce a distinct noise, especially at idle.
• Hydraulic fluid contamination: Failed sealing elements within the kit allow debris to enter the valve body, leading to erratic shift timing.
• Hard shifting or delayed engagement: Incorrect preload from a worn 4644301189: THREADED BUSH prevents proper clutch pack compression.

Technical Specifications

Compatibility

This LOOSE PARTS kit is engineered specifically for the ZF WG 201 series, but it also fits several related models due to shared clutch drum geometry. Compatible transmissions include the WG180, WG200, WG210, and WG220. It is commonly paired with the 0636302005: SCREW PLUG to seal the final assembly. Always verify the housing variant; the kit is not backward-compatible with pre-1998 WG150 units without modifying the 4644101203: TRANSMISSION HOUSING.

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