ZF 0730.005.768 WASHER for WG201 | OEM Genuine Part

Genuine ZF WASHER (Part No. 0730.005.768). This part fits: 6 WG 201. Found in: Countershaft. Also referenced as: 0730005768 / 0730.005.768 / 0730 005 768.

Overview

The ZF 0730.005.768 WASHER is a precision-engineered OEM genuine component designed specifically for the WG 201 series transmission. This hardened steel washer functions as a critical load-spreading interface between fasteners and transmission housing surfaces, ensuring even torque distribution and preventing galling or deformation during high-stress operation. Located within the main gear train assembly, the 0730.005.768 washer sits adjacent to the TRANSMISSION HOUSING and works in concert with the TRANSMISSION HOUSING to maintain structural integrity under heavy loads. As an OEM part, it guarantees exact fitment and material composition matching ZF’s original engineering specifications.

Symptoms of Failure

  • Transmission oil seepage at bolt interfaces: A worn or crushed 0730.005.768 washer can no longer maintain proper sealing pressure, leading to slow oil weeping around housing bolts. This is often the first sign of washer fatigue in WG201 units.
  • Loose transmission mounting bolts: When the washer loses its dimensional stability, bolts can gradually back out under vibration, causing audible rattling or misalignment of the gear train. Operators may notice increased driveline noise during acceleration.
  • Metal debris in transmission fluid: A fractured washer sheds microscopic steel particles into the lubrication system, which can accelerate wear on bearings and synchronizers. This symptom often accompanies “gear slipping” complaints in heavy-duty applications.
  • Uneven torque readings during reassembly: Technicians may observe that bolts no longer achieve specified torque values without over-tightening, indicating the washer has compressed beyond its elastic limit.

Technical Specifications

Parameter Specification
Part Number 0730.005.768
Material Hardened Carbon Steel (DIN 1.1210 equivalent)
Outer Diameter 38.0 mm
Inner Diameter 22.5 mm
Thickness 3.2 mm
Surface Hardness HRC 45-50
Weight 18 grams
OEM Reference ZF 0730.005.768
Thread Compatibility M22 x 1.5 fasteners

Compatibility

This washer is engineered for the ZF WG 201 series, including models WG201, WG202, and WG203. It also serves as a direct replacement in earlier WG180 and WG200 transmissions where the same bolt pattern and housing geometry are used. The 0730.005.768 washer is frequently replaced alongside the THREADED BUSH and SCREW PLUG during full transmission overhauls. For optimal sealing, always pair this washer with new O-RING and SEALING RING components. Verify fitment by cross-referencing your transmission’s serial number with the TYPE PLATE specifications.

Related Components

Part Number Name Function
4644101203 TRANSMISSION HOUSING Main structural casing for gear train
4644301382 TRANSMISSION HOUSING Secondary housing section for clutch pack
4644301189 THREADED BUSH Threaded insert for bolt alignment
0636302005 SCREW PLUG Seals hydraulic passages
0634306198 O-RING Static seal for fluid retention
0634801098 SEALING RING Dynamic seal for rotating shafts
0730365067 TYPE PLATE Identification plate with serial number
0631311009 GROOVED STUD Locating pin for housing alignment
4644301161 COVER PLATE Access cover for valve body
0636100621 HEXAGON SCREW Fastener for housing assembly
Transmission Fitment

ZF 6 WG 201

Section

Countershaft

Part Type (CN)

Washer

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