Overview
The ZF 4642.199.263 LOOSE PARTS kit is a critical service component designed specifically for the WG150 series transmission. This OEM genuine assembly contains the essential hardware and small components required to secure and stabilize internal transmission elements during rebuilds or major repairs. The SKU 4642.199.263 typically includes fasteners, seals, and positioning pieces that interface directly with the main housing and shift mechanisms. Without these loose parts, the transmission cannot maintain proper alignment under load, leading to premature wear of adjacent assemblies such as the 4642101109: TRANSMISSION HOUSING and the 4642301205: TRANSMISSION HOUSING. This kit is indispensable for any technician performing a full overhaul on a WG150 unit.
Symptoms of Failure
When the components within the 4642.199.263 LOOSE PARTS kit degrade or are missing, operators will notice distinct operational issues. Common failure symptoms include:
- Oil leaks at housing joints: Worn or missing seals from this kit allow transmission fluid to escape, particularly around the mating surfaces of the 0730365125: TYPE PLATE.
- Intermittent gear slippage under load: Loose fasteners cause internal components to shift, resulting in erratic power delivery and delayed engagement.
- Abnormal vibration or rattle from the bell housing: Unsecured loose parts create a metallic noise during acceleration, indicating that the 0631311009: GROOVED STUD may have loosened.
- Difficulty in shifting or gear hang-up: Misaligned hardware interferes with the shift rail movement, causing rough or incomplete gear changes.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4642.199.263 |
| OEM Reference | ZF WG150 Series |
| Material Composition | Steel alloy, hardened rubber seals, zinc-plated fasteners |
| Weight (approx.) | 0.85 kg (1.87 lbs) |
| Dimensions (kit packaging) | 200 mm x 150 mm x 50 mm |
| Included Components | Bolts, washers, dowel pins, O-rings, retaining clips |
Compatibility
This LOOSE PARTS kit is engineered primarily for the ZF WG150 transmission series. However, due to shared platform architecture, it is also compatible with the WG180 and WG200 models when used in conjunction with the correct housing. The kit interfaces directly with the 4642301168: SCREEN SHEET and 4642301169: SCREEN SHEET to ensure proper filtration flow. For shift system integration, the 4644106300: SHIFT SYSTEM and 4644306500: COVER PLATE must be correctly torqued using the hardware from this kit. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4642301205 | TRANSMISSION HOUSING | Secondary housing for auxiliary components |
| 0730365125 | TYPE PLATE | Identification plate with transmission specs |
| 0631311009 | GROOVED STUD | Alignment and retention pin for housing |
| 4642301168 | SCREEN SHEET | Oil filter screen for debris protection |
| 4642301169 | SCREEN SHEET | Secondary oil filter screen |
| 0636100621 | HEXAGON SCREW | Fastener for cover plate attachment |
| 4642301186 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4644106300 | SHIFT SYSTEM | Gear selection and engagement assembly |
| 4644306500 | COVER PLATE | Sealing cover for shift mechanism access |
