Overview
The ZF 4642.199.769 LOOSE PARTS kit is a critical service assembly designed specifically for the WG 200 series powershift transmissions. This OEM genuine part consolidates essential small components—including seals, retaining rings, and spacers—that are necessary for maintaining internal hydraulic integrity and mechanical alignment. Positioned within the transmission’s clutch pack and shaft assembly area, the 4642.199.769 kit ensures that loose hardware does not migrate into high-tolerance zones, preventing premature wear. When rebuilding or servicing a WG200, this SKU is indispensable for restoring factory-spec clearances. It is frequently replaced in conjunction with the 4644105420: DISCONNECTION assembly and the 4644303056: OUTPUT FLANGE to guarantee a complete overhaul.
Symptoms of Failure
- Intermittent gear slippage under load: Worn or missing loose parts within the clutch housing can cause pressure loss, leading to erratic engagement in forward or reverse gears.
- Hydraulic oil seepage from bell housing: Degraded seals in the 4642.199.769 kit allow transmission fluid to escape, often visible as drips near the transmission-to-engine interface.
- Unusual rattling or metallic noise during shifting: Loose spacers or retaining rings that have fatigued can create a distinct clatter, especially when the transmission is cold.
- Delayed engagement after startup: A failing kit compromises the initial pressure buildup, causing a noticeable lag before the transmission takes drive.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4642.199.769 |
| OEM Reference | ZF WG200 Series |
| Material Composition | Steel, Nitrile Rubber, Aluminum |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 30 mm |
| Kit Contents | Seals, O-rings, Retaining Rings, Spacers |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This OEM genuine part is engineered for the ZF WG 200 transmission family. Based on its design and application, the 4642.199.769 LOOSE PARTS kit is also compatible with the following ZF models: WG180, WG200, and WG210 series powershift transmissions. It is commonly used in off-highway vehicles, wheel loaders, and industrial machinery where the WG200 gearbox is installed. For full assembly integrity, always pair this kit with the 4644101232: TRANSMISSION HOUSING and the 4644301282: TRANSMISSION HOUSING to ensure proper sealing and alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644105420 | DISCONNECTION | Clutch disconnection mechanism |
| 4644303056 | OUTPUT FLANGE | Transmission output shaft coupling |
| 4644101232 | TRANSMISSION HOUSING | Main structural casing |
| 4644301282 | TRANSMISSION HOUSING | Secondary housing component |
| 4475280043 | SCREW PLUG | Seals fluid access ports |
| 0634306198 | O-RING | Hydraulic seal for joints |
| 0730365067 | TYPE PLATE | Identification and rating label |
| 4644301298 | COVER PLATE | Protective access cover |
| 4644106300 | SHIFT SYSTEM | Gear selection actuator assembly |
| 4644306500 | COVER PLATE | Secondary cover for inspection |
