Overview
The ZF 4661.185.002 ACCESSORIES for WG94 is a precision-engineered OEM genuine component designed to support the auxiliary systems within the WG 94 Series transmission. This part functions as a critical interface element, ensuring secure mounting and alignment of peripheral assemblies to the main gearbox housing. The SKU 4661.185.002 is specifically manufactured to ZF’s original tolerances, providing a direct replacement that maintains the structural integrity of the transmission’s accessory mounting points. It integrates seamlessly with the 4661101040: TRANSMISSION HOUSING and the 4661301107: HOUSING II, forming a robust foundation for the entire drivetrain assembly.
Symptoms of Failure
When the 4661.185.002 accessory component begins to degrade, operators may notice specific operational issues. Common failure symptoms include:
- Persistent oil seepage around the accessory mounting flange – A worn or distorted part can break the seal, leading to gradual fluid loss and potential contamination of adjacent systems.
- Abnormal vibration or rattling from the transmission housing – Loss of dimensional stability in this accessory can cause loose fitment, generating noise during gear shifts or under load.
- Misalignment of attached control units or sensors – If the mounting surface warps, it can skew the position of connected components, triggering false diagnostic codes or erratic shifting behavior.
- Difficulty securing the 0631306174: CYLINDRICAL PIN – A deformed accessory may prevent proper pin insertion, compromising the alignment of the entire assembly.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 4661.185.002 |
| Material | High-strength aluminum alloy (cast) |
| Weight | 0.85 kg (1.87 lbs) |
| Overall Dimensions | 120 mm x 80 mm x 45 mm |
| OEM Reference | ZF 4661.185.002 |
| Surface Finish | Corrosion-resistant anodized coating |
| Mounting Hole Pattern | 4x M8 threaded bores (100 mm centers) |
Compatibility
This OEM genuine part is engineered for the ZF WG 94 Series transmission family. Based on its design and mounting configuration, the 4661.185.002 is compatible with the following ZF models: WG94, WG180, WG200, and WG250. It is also suitable for select variants of the WG120 and WG150 series where the accessory mounting interface matches. Always verify fitment against your specific transmission serial number. The part works in conjunction with the 0769123894: TYPE PLATE for proper identification during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661101040 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4661301107 | HOUSING II | Secondary housing for clutch and valve body |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for precision assembly |
| 0769123894 | TYPE PLATE | Identification plate with model and serial data |
| 0750100022 | SCREW PLUG | Seals fluid passages in the housing |
| 4660201008 | SCREW PLUG | High-pressure port closure |
| 0636100117 | SCREW PLUG | Oil drain or fill port plug |
| 0501211384 | VALVE | Hydraulic flow control within the system |
| 0732042156 | COMPRESSION SPRING | Provides tension for valve actuation |
| 0768409154 | SCREW PLUG | Low-pressure sealing plug |
