Overview
The ZF 4616.306.106 Gasket for the WG 65 series is a precision-engineered sealing component designed to prevent fluid migration and maintain hydraulic pressure within the transmission assembly. Positioned between the transmission housing and the output flange interface, this OEM genuine part ensures a leak-proof seal under high-temperature and high-pressure operating conditions. The SKU 4616.306.106 is a critical consumable that must be replaced during any major overhaul or when addressing oil seepage issues in ZF WG65 transmissions. Without this gasket, the integrity of the entire lubrication system is compromised, leading to performance degradation and potential damage to adjacent components like the 4616105413: OUTPUT and the 4616203017: OUTPUT FLANGE.
Symptoms of Failure
- External oil leaks at the output flange joint: A worn or brittle 4616.306.106 gasket will allow transmission fluid to escape, leaving visible puddles under the vehicle and causing gradual fluid loss.
- Gear slipping under load: When the gasket fails, hydraulic pressure drops, leading to delayed engagement or slipping between gear shifts, particularly during heavy-duty operation.
- Contaminated transmission fluid: A compromised seal can allow dirt and moisture to enter the housing, accelerating wear on internal components like the 4616101117: TRANSMISSION HOUSING and reducing fluid service life.
- Whining or grinding noises from the output area: Loss of lubrication due to gasket failure increases friction at the output shaft, producing audible distress signals during operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.306.106 |
| Material | Nitrile rubber (NBR) with fiber reinforcement |
| Inner Diameter | 85 mm |
| Outer Diameter | 110 mm |
| Thickness | 2.5 mm |
| Weight | 0.04 kg |
| OEM Reference | 4616.306.106 (ZF genuine) |
| Operating Temperature Range | -40°C to +150°C |
Compatibility
This gasket is specifically designed for the ZF WG 65 series transmissions. Based on its sealing profile and dimensions, it is also compatible with the following ZF models: WG180, WG200, WG210, and WG250. It is a direct replacement for the original factory gasket and should be used in conjunction with a 0636011038: HEXAGON SCREW to ensure proper clamping force. Always verify the application against your transmission’s serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105413 | OUTPUT | Transfers torque from the transmission to the driveline |
| 4616203017 | OUTPUT FLANGE | Connects the output shaft to the propeller shaft |
| 4616101117 | TRANSMISSION HOUSING | Encloses and supports all internal transmission components |
| 0636011038 | HEXAGON SCREW | Secures the output flange to the transmission housing |
| 0636016015 | HEXAGON SCREW | Fastens the gasket and housing assembly |
| 0631306085 | CYLINDRICAL PIN | Aligns components during assembly |
| 0634313118 | O-RING | Provides secondary sealing at fluid ports |
| 0732611049 | FILTER INSERT | Traps contaminants in the hydraulic circuit |
| 0634303718 | O-RING | Seals the filter housing interface |
| 0636610082 | STUD | Provides threaded mounting points for the housing |
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