Overview
The ZF 6029.207.352 PLUG is a critical sealing component engineered specifically for the WG92 and WG98 series transmissions. This OEM genuine part, identified by SKU 6029.207.352, functions as a threaded closure within the transmission housing assembly, preventing fluid loss and maintaining hydraulic pressure. Positioned at key access points on the transmission casing, this plug works in concert with the TRANSMISSION HOUSING and the HOUSING II to create a sealed environment for internal components. Its robust construction ensures that lubricants remain contained, safeguarding the gear train and hydraulic circuits from contamination.
Symptoms of Failure
- Transmission fluid seepage around the plug body: When the 6029.207.352 plug loses its sealing integrity, you may notice oil weeping or dripping from the threaded area, leading to low fluid levels and potential overheating.
- Hydraulic pressure drop during gear engagement: A worn or damaged plug can allow air ingress or fluid bypass, resulting in sluggish shifting or delayed clutch pack engagement, especially under load.
- Visible corrosion or thread stripping on the plug: Over time, exposure to heat and contaminants can degrade the plug’s surface, causing difficulty during removal or reinstallation and increasing the risk of cross-threading the housing.
- Unusual noise from the transmission sump: If the plug loosens or fails, cavitation may occur in the suction circuit, producing a whining or grinding sound that indicates inadequate lubrication flow.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 6029.207.352 |
| Material | Steel with zinc-nickel plating |
| Thread Size | M26 x 1.5 (estimated) |
| Overall Length | 22 mm |
| Head Diameter | 30 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 6029.207.352 |
| Sealing Method | Integrated O-ring groove |
Compatibility
This plug is a direct-fit component for the ZF WG92 and WG98 transmission series, which includes models such as the WG180, WG200, and WG210. It is also compatible with select WG120 and WG150 variants that share the same housing architecture. The 6029.207.352 plug interfaces with the CYLINDRICAL PIN alignment features and the TYPE PLATE mounting points, ensuring proper orientation during assembly. Always verify your transmission’s serial number against ZF documentation to confirm fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101017 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assemblies |
| 4660301054 | HOUSING II | Secondary housing section for valve body and pump |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0769123894 | TYPE PLATE | Identification tag with transmission model and serial number |
| 0750100022 | SCREW PLUG | Alternative sealing plug for drain or fill ports |
| 4660221029 | SUCTION TUBE | Fluid intake conduit from sump to pump |
| 0634100317 | O-RING | Seal for plug-to-housing interface |
| 0636103273 | CAP SCREW | Fastener for securing housing sections |
| 0634306311 | O-RING | Secondary seal for hydraulic passages |
| 4660321029 | FIXING PLATE | Retainer for suction tube and filter assembly |
