Overview
The ZF 0730.004.586 WASHER for WG200 is a precision-engineered OEM genuine component designed to maintain critical axial clearances within the planetary gear sets of ZF’s WG 200 Series transmissions. This hardened steel washer sits between the sun gear and the reaction drum, acting as a thrust surface to manage end-play and prevent metal-on-metal contact under high torque loads. As a factory-specified part, the SKU 0730.004.586 ensures exact fitment and material hardness, directly supporting the longevity of the entire gear train. When rebuilding a WG200, this washer is often replaced alongside the 4460165051: CONSOLE and the 0636011429: HEXAGON SCREW to guarantee proper preload and alignment.
Symptoms of Failure
- Transmission gear slipping under load: A worn 0730.004.586 washer reduces axial support, allowing gear clusters to shift out of alignment and slip during acceleration.
- Metallic grinding noise from the transmission housing: When the washer thins beyond tolerance, hardened steel surfaces contact directly, producing a distinct grinding sound during gear changes.
- Excessive end-play in the output shaft: Measurable axial movement at the output flange indicates the thrust washer has compressed or fractured, requiring immediate replacement.
- Oil contamination with fine metallic particles: Deterioration of this washer sheds steel debris into the transmission fluid, often visible during drain intervals as glitter-like particles.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.004.586 |
| Material | Hardened alloy steel (DIN 1.3505 equivalent) |
| Outer Diameter | 42.0 mm |
| Inner Diameter | 28.0 mm |
| Thickness | 2.5 mm |
| Weight | 0.012 kg |
| OEM Reference | ZF 0730.004.586 |
| Surface Hardness | HRC 58-62 |
Compatibility
This washer is primarily specified for the ZF WG200 series transmissions, including models such as WG180, WG200, and WG210. It is also used in certain ZF Ecolife and AS Tronic variants that share the same planetary gear architecture. The part is not interchangeable with the thinner 0730100365: WASHER used in earlier WG150 assemblies. For complete rebuilds, always pair this washer with the 4460368311: CONSOLE to maintain factory stack-up tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Housing support bracket for gear shift mechanism |
| 4460368311 | CONSOLE | Alternate mounting console for WG200 series |
| 0636011429 | HEXAGON SCREW | Fastener for console and housing attachment |
| 0730100365 | WASHER | Thinner thrust washer for earlier transmission models |
| 4644105418 | DISCONNECTION | Clutch disconnection valve assembly |
| 4644305041 | ADAPTER | Input shaft adapter for torque converter |
| 4460068159 | AXLE DRIVE | Output axle drive gear component |
| 4460168651 | INPUT FLANGE | Flange for transmission input connection |
| 4460368318 | FLANGE | Output flange for driveline attachment |
| 4460368317 | DUST PROTECTION | Dust seal cover for flange area |
