Overview
The ZF 0730.103.760 WASHER is a precision-engineered OEM genuine component specifically designed for the WG 100 Series transmission. This hardened steel washer functions as a critical load-spreading interface between fasteners and transmission housing surfaces, ensuring proper clamp load distribution and preventing galling or deformation under high-torque conditions. Installed within the gear train assembly, the SKU 0730.103.760 directly interfaces with the TRANSMISSION HOUSING to maintain axial alignment and seal integrity. Its exacting dimensional tolerances are essential for maintaining the hydraulic pressure circuits that control clutch engagement in WG100 transmissions.
Symptoms of Failure
- Transmission fluid seepage at housing joints: A worn or deformed 0730.103.760 washer can cause uneven clamping pressure, leading to oil weeping around the HOUSING mating surfaces.
- Intermittent gear engagement hesitation: When this washer loses its original thickness, fastener torque relaxation occurs, allowing internal clearances to shift and causing delayed shifts under load.
- Metallic debris in transmission oil pan: A collapsed washer permits micro-movement between components, generating fine steel particles that contaminate the hydraulic system.
- Audible knocking from bell housing area: Severe washer fatigue results in loose fasteners that produce a distinct metallic rattle during acceleration or deceleration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.103.760 |
| Inner Diameter | 14.2 mm |
| Outer Diameter | 28.0 mm |
| Thickness | 2.5 mm |
| Material | Case-hardened carbon steel (DIN 17222) |
| Surface Finish | Zinc-phosphate coated |
| Hardness | HRC 45-50 |
| Weight | 8.4 grams |
| OEM Reference | ZF 0730.103.760 |
Compatibility
This OEM washer is primarily specified for the ZF WG100 transmission series. Based on its dimensional profile and load rating, it is also compatible with the WG180, WG200, and WG210 series transmissions when used in conjunction with the HOUSING assembly. The part is frequently replaced alongside the O-RING during major overhauls to ensure complete sealing integrity. Always verify fitment by cross-referencing your transmission’s serial number with the OEM parts catalog.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101006 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4651301034 | HOUSING | Intermediate housing for clutch pack |
| 0634303928 | O-RING | Static seal for hydraulic circuits |
| 4651301013 | HOUSING | Rear housing for output shaft |
| 4651301015 | SCREEN SHEET | Fine mesh filter for oil return |
| 4651301035 | SCREEN SHEET | Coarse mesh pre-filter |
| 0630361028 | SEALING CAP | Pressure test port cover |
| 4475280060 | SCREW PLUG | Magnetic drain plug |
| 0634303312 | O-RING | High-temperature seal for valve body |
| 0630361063 | SEALING CAP | Ventilation port cap |
