Overview
The ZF 0730.102.329 SHIM is a precision-engineered spacer component designed exclusively for the WG 201 series transmission. This OEM genuine part sits between the transmission housing and the clutch assembly, ensuring correct axial clearance and load distribution during operation. The shim compensates for manufacturing tolerances, preventing metal-to-metal contact and maintaining optimal gear alignment. The SKU 0730.102.329 is critical for rebuilds and overhauls of ZF WG201 gearboxes, where even a 0.1mm deviation can lead to premature wear. When paired with a new TRANSMISSION HOUSING (4644101203) or a TRANSMISSION HOUSING (4644301382), this shim guarantees the precise fitment required for long service life.
Symptoms of Failure
- Oil leaks near the bell housing: A worn or crushed shim alters the housing gap, causing seal distortion and fluid seepage. This is a common symptom when the 0730.102.329 loses its original thickness.
- Gear slipping under load: Insufficient shim height reduces clutch pack clamping force, leading to intermittent power loss during acceleration.
- Abnormal transmission noise: Excessive axial play from a degraded shim produces a low-frequency rumbling or knocking sound, especially in neutral or low gears.
- Hard shifting or delayed engagement: Misaligned components due to shim wear force the hydraulic system to compensate, resulting in harsh or delayed gear changes.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.102.329 |
| Material | Hardened spring steel (C67S) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 52.5 mm |
| Thickness | 1.2 mm (selective fit) |
| Weight | 12 grams |
| OEM Reference | ZF 0730.102.329 |
| Surface Finish | Phosphate coated, oiled |
Compatibility
This shim is specifically engineered for the ZF WG 201 series transmission family. It is directly compatible with the following models: WG180, WG200, WG201, WG210, and select variants of the WG211 series. The 0730.102.329 is also used in certain ZF Ecolife and Ecomat derivatives that share the WG201 clutch housing architecture. Always verify the shim thickness against your service manual, as selective fit shims vary by application. For a complete housing assembly, consider the THREADED BUSH (4644301189) and the SCREW PLUG (0636302005), which are installed in the same clutch housing bore.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101203 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4644301382 | TRANSMISSION HOUSING | Alternative housing variant for WG201 |
| 4644301189 | THREADED BUSH | Guides shift rod through housing |
| 0636302005 | SCREW PLUG | Seals oil passages in housing |
| 0634306198 | O-RING | Prevents fluid leaks at joints |
| 0634801098 | SEALING RING | Static seal for cover plates |
| 0730365067 | TYPE PLATE | Identification tag for transmission |
| 0631311009 | GROOVED STUD | Locates and aligns housing halves |
| 4644301161 | COVER PLATE | Encloses clutch access port |
| 0636100621 | HEXAGON SCREW | Fastens cover plate to housing |
