Overview
The ZF 4616.319.008 COVER is a critical sealing component engineered specifically for the WG 65 series transmission. This OEM genuine part mounts directly to the TRANSMISSION HOUSING, forming a robust barrier that protects internal gear assemblies and hydraulic circuits from contamination and pressure loss. As a factory-spec replacement, the SKU 4616.319.008 ensures precise fitment and material integrity, preventing premature wear in heavy-duty industrial applications. This cover interfaces with the main casing via multiple fastening points, requiring HEXAGON SCREW hardware for secure installation.
Symptoms of Failure
- External oil seepage around the cover perimeter: A worn or cracked 4616.319.008 cover often allows transmission fluid to escape, leaving visible wet spots on the housing exterior. This is a common long-tail search query for “ZF WG65 cover oil leak repair.”
- Intermittent gear engagement hesitation: When the cover loses its seal, hydraulic pressure drops can cause delayed or rough shifting, particularly under load. Operators may notice “WG65 transmission slipping when hot.”
- Contaminated transmission fluid: A compromised cover permits dirt and moisture ingress, leading to dark, gritty oil. This symptom often triggers searches for “ZF transmission cover failure symptoms.”
- Abnormal noise from the clutch housing area: Debris entry through a damaged cover can cause grinding or whining sounds during operation, indicating internal component wear.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 4616.319.008 |
| Material | Die-cast aluminum alloy with corrosion-resistant coating |
| Overall Dimensions (approx.) | 280 mm x 180 mm x 45 mm |
| Weight | 1.85 kg (4.08 lbs) |
| OEM Reference | ZF 4616.319.008 (Genuine) |
| Sealing Surface | Precision-machined with O-ring groove |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This cover is designed for the ZF WG 65 series, which includes the WG180, WG200, and WG210 transmission models commonly found in municipal trucks, construction loaders, and industrial material handlers. The 4616.319.008 also fits select WG 65 variants used in off-highway equipment where the HEXAGON SCREW and HEXAGON SCREW fasteners are specified for mounting. Always verify your transmission serial number against ZF application charts before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101102 | TRANSMISSION HOUSING | Main structural casing for gear and shaft assembly |
| 0636011038 | HEXAGON SCREW | Fastener for cover-to-housing attachment |
| 0636011118 | HEXAGON SCREW | Secondary mounting bolt for cover retention |
| 0636016015 | HEXAGON SCREW | High-torque fastener for structural joints |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for precise cover positioning |
| 0634313118 | O-RING | Static seal between cover and housing |
| 0636304019 | SCREW PLUG | Closes access ports in the cover assembly |
| 0634801152 | SEALING RING | Metal gasket for high-pressure sealing points |
| 0732611049 | FILTER INSERT | Internal filtration element for hydraulic oil |
| 0634303718 | O-RING | Secondary seal for auxiliary cover passages |
