Overview
The ZF 4616.301.047 CONVERTER COVER is a critical structural component designed for the WG65 series of powershift transmissions. This OEM genuine part encloses the torque converter assembly, protecting internal rotating elements from contamination while maintaining hydraulic pressure integrity. Positioned between the bell housing and the transmission housing, this converter cover (SKU: 4616.301.047) ensures precise alignment of the converter pump and turbine assembly. When paired with a properly sealed 4616105402: OUTPUT shaft and a robust 4005303005: OUTPUT FLANGE, this cover forms the foundation for reliable torque transfer in heavy-duty industrial applications.
Symptoms of Failure
When the ZF 4616.301.047 converter cover begins to degrade, operators may notice these specific failure indicators:
- Hydraulic fluid seepage around the bell housing joint – A worn cover or degraded sealing surface allows ATF to escape, leading to low pressure and erratic shifting.
- Torque converter shudder or vibration – Distortion in the cover mounting face misaligns the converter, causing driveline oscillation during load engagement.
- Metal debris in transmission fluid – Cracking or fretting of the cover casting introduces ferrous particles into the hydraulic circuit, accelerating wear on the 4616101119: TRANSMISSION HOUSING.
- Difficulty maintaining gear engagement under load – Internal pressure loss from a compromised cover reduces clutch pack clamping force, mimicking slipping transmission symptoms.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.301.047 |
| Material | High-grade cast aluminum alloy (A356-T6) |
| Overall Diameter | 385 mm (15.16 in) |
| Mounting Bolt Pattern | 12-hole, 10.9-grade threaded inserts |
| Weight | 4.8 kg (10.6 lbs) |
| OEM Reference | ZF 4616.301.047 (Genuine) |
| Sealing Surface Finish | Ra 0.8 µm machined |
Compatibility
This converter cover is engineered specifically for the ZF WG65 series transmission family. It is directly compatible with WG65, WG80, WG100, WG120, WG150, WG180, and WG200 models that share the same bell housing bolt pattern and converter pilot diameter. Always verify the casting number on your existing cover before ordering. The cover interfaces with the 0636011038: HEXAGON SCREW kit for secure mounting to the transmission case.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105402 | Output | Transfers torque from planetary gearset to driveline |
| 4005303005 | Output Flange | Connects output shaft to driveshaft yoke |
| 4616101119 | Transmission Housing | Main structural case containing gear clusters |
| 0636011038 | Hexagon Screw | M12 x 1.75 mounting bolt for cover retention |
| 0636011118 | Hexagon Screw | M14 x 2.0 bolt for housing flange |
| 0636016015 | Hexagon Screw | M16 x 2.0 high-tensile bolt |
| 0631306085 | Cylindrical Pin | Dowel pin for cover-to-housing alignment |
| 0634313118 | O-Ring | Hydraulic seal between cover and converter |
| 0636304019 | Screw Plug | Seals oil drain or test port in cover |
| 0634801152 | Sealing Ring | Copper gasket for plug sealing |
