Overview
The ZF 4616.303.006 OIL BAFFLE is a precision-engineered internal component designed specifically for the WG 65 Series transmission. This OEM genuine part, identified by SKU 4616.303.006, functions as a critical flow director within the transmission sump, ensuring that lubricating oil is properly channeled to high-friction zones such as bearings and gear meshes. By maintaining consistent oil circulation, this baffle prevents starvation and reduces thermal stress during heavy-duty operations. It is typically mounted inside the lower casing, working in concert with the TRANSMISSION HOUSING to create a sealed lubrication circuit.
Symptoms of Failure
- Intermittent gear slipping under load: A cracked or warped oil baffle disrupts oil flow, leading to inadequate lubrication and momentary loss of torque transfer.
- Localized transmission overheating: Without proper oil deflection, hot spots develop around the planetary gears, triggering thermal warnings or reduced efficiency.
- Visible oil pooling or weeping from housing seams: A deformed baffle can cause oil to bypass seals, resulting in external leaks near the HEXAGON SCREW fasteners on the pan.
- Increased noise during low-speed operation: Metal-on-metal contact from a loose baffle produces a distinct rattling or grinding sound, especially during shifts.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4616.303.006 |
| Material | Stamped steel with anti-corrosion coating |
| Length | 185 mm |
| Width | 95 mm |
| Height | 40 mm |
| Weight | 0.42 kg |
| OEM Reference | ZF 4616.303.006 |
| Fastener Torque Spec | 25 Nm (when paired with HEXAGON SCREW 0636011118) |
Compatibility
This oil baffle is engineered for the ZF WG 65 Series transmission family. It is directly compatible with models including WG65, WG80, WG120, WG150, WG180, and WG200. The part is also used in certain off-highway variants where the HEXAGON SCREW 0636016015 secures the assembly. Always verify your transmission model code before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101059 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 0636011038 | HEXAGON SCREW | Fastener for baffle mounting points |
| 0636011118 | HEXAGON SCREW | Secondary fastener for oil pan retention |
| 0636016015 | HEXAGON SCREW | High-torque bolt for housing attachment |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for baffle positioning |
| 0634313118 | O-RING | Seals oil passage between baffle and housing |
| 0636304019 | SCREW PLUG | Closes oil drain or inspection ports |
| 0634801152 | SEALING RING | Prevents leakage at plug interfaces |
| 0732611049 | FILTER INSERT | Traps debris in the lubrication circuit |
| 0634303718 | O-RING | Secondary seal for filter housing |
