Overview
The ZF 0730.102.328 SHIM is a precision-engineered adjustment component designed specifically for the WG 201 Series transmission. This OEM genuine part, identified by SKU 0730.102.328, is installed between the transmission housing and the bearing assembly to control axial clearance and preload. By ensuring exact spacing, this shim prevents excessive movement of internal shafts and gears, directly contributing to smooth power delivery and extended transmission life. It works in conjunction with the 4644101203: TRANSMISSION HOUSING and the 4644301382: TRANSMISSION HOUSING to maintain structural integrity under heavy loads.
Symptoms of Failure
- Increased axial play in output shaft: A worn or collapsed shim allows the shaft to move excessively, causing a noticeable clunk during gear engagement or acceleration.
- Persistent oil seepage at housing joints: Incorrect shim thickness distorts the seal surface, leading to leaks around the 4644301189: THREADED BUSH and 0636302005: SCREW PLUG.
- Gear slipping under load: When axial clearance exceeds tolerance, gear teeth lose proper mesh, resulting in intermittent slipping or harsh shifting.
- Vibration at highway speeds: Uncontrolled shaft movement creates harmonic vibrations that resonate through the driveline, often misdiagnosed as a bearing issue.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.102.328 |
| Material | Hardened spring steel (C67S) |
| Inner Diameter | 42.0 mm |
| Outer Diameter | 68.0 mm |
| Thickness | 1.5 mm |
| Weight | 0.018 kg |
| OEM Reference | ZF 0730.102.328 |
| Surface Finish | Phosphate coated |
Compatibility
This shim is engineered for the WG 201 Series transmission family. It is also compatible with the WG180, WG200, and WG211 models that share the same bearing preload architecture. Always verify your transmission serial number before ordering. For housing repairs, pair this shim with the 4644301161: COVER PLATE and 0636100621: HEXAGON SCREW for a complete seal.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101203 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4644301382 | TRANSMISSION HOUSING | Secondary housing section for bearing support |
| 4644301189 | THREADED BUSH | Provides threaded interface for sensor or plug |
| 0636302005 | SCREW PLUG | Seals oil passages in the housing |
| 0634306198 | O-RING | Prevents fluid leaks at joint interfaces |
| 0634801098 | SEALING RING | Static seal for cover plates |
| 0730365067 | TYPE PLATE | Identification label for transmission model |
| 0631311009 | GROOVED STUD | Locating pin for precise alignment |
| 4644301161 | COVER PLATE | Encloses the shim and bearing cavity |
| 0636100621 | HEXAGON SCREW | Fastens cover plate to housing |
