Overview
The ZF 4642.199.819 LOOSE PARTS kit is a critical service component designed specifically for the WG 200 Series transmission. This genuine OEM assembly contains the necessary loose hardware and fasteners required to secure internal transmission elements during a rebuild or major repair. Positioned within the main gear train housing, this kit ensures that key components such as the TRANSMISSION HOUSING and the TRANSMISSION HOUSING remain properly torqued and aligned. The SKU 4642.199.819 is factory-sealed and engineered to ZF’s exacting tolerances, preventing vibration-induced loosening that can lead to catastrophic gear damage.
Symptoms of Failure
- Transmission fluid seepage at housing joints: When the loose parts in this kit fatigue or corrode, you may notice oil weeping around the mating surfaces of the COVER PLATE and the main case.
- Audible rattling or knocking from the bell housing: Worn fasteners allow internal components to shift, producing a metallic clatter during gear engagement, especially under load.
- Intermittent gear slippage or delayed engagement: Loose retaining hardware can cause misalignment of the clutch pack or planetary gears, resulting in erratic shifting behavior.
- Increased vibration at highway speeds: A compromised fastening system permits driveline harmonics to transfer through the transmission, felt as a persistent shudder in the cab.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4642.199.819 |
| OEM Reference | ZF WG200 Series |
| Material Composition | Case-hardened steel with zinc-nickel plating |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (packaged) | 150 mm x 100 mm x 40 mm |
| Torque Specification | Per ZF service manual (varies by fastener) |
| Thread Pitch | M8 x 1.25 (primary bolts) |
Compatibility
This genuine ZF loose parts kit is engineered for the WG 200 Series transmission family, including the WG180, WG200, and WG210 variants. It is also compatible with certain ZF Ecomat and Ecolife models that share the same housing architecture. Always verify your transmission serial number before ordering. The kit integrates directly with the O-RING seal to prevent fluid bypass at the housing interface.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101249 | TRANSMISSION HOUSING | Main structural case for gear train |
| 4644301402 | TRANSMISSION HOUSING | Secondary housing for valve body |
| 4644301298 | COVER PLATE | Seals access to clutch pack |
| 0634306323 | O-RING | Hydraulic seal between housings |
| 0636305026 | SCREW PLUG | Closes fluid passages |
| 4644301279 | SCREEN SHEET | Filters debris from oil flow |
| 4644301088 | SEALING CAP | Protects sensor ports |
| 4644109046 | PARKING BRAKE | Electro-hydraulic parking lock |
| 0501216078 | BRAKE | Service brake assembly |
| 0501298641 | SEAL KIT | Complete gasket and seal set |
