Overview
The ZF 0730.101.106 WASHER is a precision-engineered OEM genuine component designed specifically for the WG 200 Series transmission family. This hardened steel washer functions as a critical load-spreading interface between fasteners and transmission housing surfaces, ensuring consistent clamp load during high-torque operations. Located within the clutch pack or planetary gear assembly, it prevents galling and maintains axial alignment under extreme thermal cycling. The SKU 0730.101.106 is manufactured to ZF’s exacting tolerances, guaranteeing a direct fit without modification. When paired with the 0636011429 HEXAGON SCREW, this washer forms a secure fastening system that resists vibration-induced loosening in heavy-duty applications.
Symptoms of Failure
- Transmission oil seepage at bolt interfaces: A worn or deformed 0730.101.106 washer cannot maintain proper sealing pressure, leading to slow fluid migration around fasteners—often the first sign of washer fatigue.
- Intermittent gear engagement hesitation: When the washer flattens beyond specification, axial play develops in the shaft assembly, causing delayed clutch pack engagement during load shifts.
- Metallic debris in transmission fluid: A fractured washer sheds microscopic steel particles into the lubrication circuit, which can accelerate wear on adjacent components like the 4460165051 CONSOLE.
- Abnormal driveline vibration at highway speeds: Loss of washer thickness alters the preload on the 4460368311 CONSOLE, creating harmonic resonance that transmits through the chassis.
Technical Specifications
| Parameter | Value |
|---|---|
| Inner Diameter | 18.0 mm |
| Outer Diameter | 30.0 mm |
| Thickness | 2.5 mm |
| Material | Case-hardened alloy steel (DIN 1.7131) |
| Surface Finish | Zinc-nickel plated (ISO 2081) |
| Hardness | 45-50 HRC |
| Weight | 12 grams |
| OEM Reference | ZF 0730.101.106 |
| Torque Rating | 85 N·m (with lubricated threads) |
Compatibility
This washer is engineered for the ZF WG 200 Series transmissions, including the WG180, WG200, and WG210 variants. It is also compatible with select ZF Ecolife and AS Tronic models that share the same planetary carrier bolt pattern. For optimal performance, always replace this washer when servicing the 0730100365 WASHER in adjacent positions. The 0730.101.106 is not interchangeable with standard metric washers due to its specific chamfer geometry and hardness profile.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Supports transmission mounting bracket |
| 4460368311 | CONSOLE | Secondary support for torque reaction |
| 0636011429 | HEXAGON SCREW | Secures washer and console assembly |
| 0730100365 | WASHER | Companion washer for adjacent fasteners |
| 4644105418 | DISCONNECTION | Clutch pack separation mechanism |
| 4644305041 | ADAPTER | Converts input shaft spline interface |
| 4460068159 | AXLE DRIVE | Transfers power to differential |
| 4460168651 | INPUT FLANGE | Connects transmission to engine |
| 4460368318 | FLANGE | Output shaft sealing surface |
| 4460368317 | DUST PROTECTION | Prevents contaminant ingress |
