Overview
The ZF 0730.008.839 WASHER is a precision-engineered OEM genuine component designed for the WG 200 Series transmission. This hardened steel washer functions as a critical load-spreading element between fasteners and transmission housing surfaces, ensuring proper clamp load distribution in high-torque applications. Positioned within the gear train assembly, the SKU 0730.008.839 directly interfaces with the 0636011429 HEXAGON SCREW to maintain axial alignment and prevent fretting corrosion. Its specific geometry accommodates the unique bolt patterns found in WG200 planetary gear sets, making it indispensable for maintaining OEM tolerances during rebuilds or repairs.
Symptoms of Failure
- Transmission oil seepage at bolt interfaces: A worn or deformed 0730.008.839 washer can compromise the sealing surface, leading to slow oil leaks around mounting points—a common issue in high-mileage WG200 units.
- Gear engagement hesitation under load: When this washer loses its dimensional integrity, fastener preload decreases, causing subtle gear slippage during torque multiplication phases.
- Abnormal metallic pinging from the bell housing: Insufficient washer thickness allows the 4460165051 CONSOLE to shift slightly, creating intermittent contact noise during clutch pack engagement.
- Increased vibration at highway speeds: A collapsed washer disrupts the concentric alignment of the 4460368311 CONSOLE, transmitting harmonic vibrations through the driveline.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.008.839 |
| Material | Case-hardened carbon steel (DIN 17222 equivalent) |
| Outer Diameter | 38.0 mm ±0.2 mm |
| Inner Diameter | 18.5 mm ±0.1 mm |
| Thickness | 3.5 mm ±0.05 mm |
| Surface Hardness | HRC 45-50 |
| Weight | 22 grams |
| OEM Reference | ZF 0730.008.839 |
| Compatible Fastener | 0636011429 HEXAGON SCREW |
| Related Washer | 0730100365 WASHER (alternate thickness) |
Compatibility
This OEM washer is engineered for the ZF WG 200 Series transmission family, including models such as WG180, WG200, and WG210. It is specifically validated for use in the output flange assembly where the 4460165051 CONSOLE and 4460368311 CONSOLE are mounted. The 0730.008.839 also fits select WG150 variants when paired with the 0636011429 HEXAGON SCREW. Always verify bolt pattern compatibility with your specific transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Housing support bracket for gear train alignment |
| 4460368311 | CONSOLE | Secondary mounting console for clutch pack housing |
| 0636011429 | HEXAGON SCREW | M18 x 1.5 fastener for console attachment |
| 0730100365 | WASHER | Alternate thickness washer (4.0 mm) for tolerance adjustment |
| 4644105418 | DISCONNECTION | Clutch pack disconnection valve assembly |
| 4644305041 | ADAPTER | Input shaft adapter for torque converter interface |
| 4460068159 | AXLE DRIVE | Output axle drive shaft for final drive connection |
| 4460168651 | INPUT FLANGE | Flanged input coupling for engine-to-transmission link |
| 4460368318 | FLANGE | Output flange for driveshaft mounting |
| 4460368317 | DUST PROTECTION | Dust shield for output seal protection |
