Overview
The ZF 2098.346.046 COVER is a critical sealing and structural component designed for heavy-duty construction machinery transmissions. Positioned on the final drive housing, this OEM genuine part encloses the differential assembly, protecting internal gears and lubricants from external contaminants while maintaining precise oil pressure. The SKU 2098.346.046 corresponds to a factory-specification cover that interfaces directly with the axle housing, ensuring a leak-proof seal around high-torque rotating assemblies. In ZF drivelines, this cover works in concert with the 2098109042: DIFFERENTIAL and the 2098309011: CROWN WHEEL to maintain proper gear mesh alignment under extreme loads.
Symptoms of Failure
- Oil seepage around the axle housing flange: When the ZF 2098.346.046 COVER gasket surface degrades, operators notice wet spots or drips near the differential housing, often accompanied by a burnt gear oil smell.
- Increased drivetrain noise during turns: A warped or cracked cover allows the 2099209001: DIFFERENTIAL to shift slightly, producing a rhythmic clunking or whining sound when the machine maneuvers under load.
- Contaminated transmission fluid: A compromised cover lets dirt and moisture enter the housing, leading to sludge buildup and premature wear of the 2098309010: DIFFERENTIAL HOUSING.
- Vibration at the wheel end: Loose mounting bolts or a deformed cover cause the entire final drive assembly to vibrate, especially at low speeds during excavation or grading operations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2098.346.046 |
| Material | Ductile cast iron (GGG-40) |
| Outer Diameter | 320 mm |
| Bolt Hole Circle | 290 mm (12 holes, M12x1.5) |
| Weight | 4.8 kg |
| OEM Reference | ZF 2098.346.046 |
| Surface Finish | Machined, phosphate-coated |
Compatibility
This cover is engineered for ZF WG series transmissions commonly used in wheel loaders, telehandlers, and graders. It directly fits the WG180 and WG200 final drive housings, and is also compatible with select WG160 and WG250 variants that share the same bolt pattern. The ZF 2098.346.046 COVER is a direct replacement for earlier cast-iron covers found on models produced after 2010. For complete assembly integrity, always pair this cover with a new gasket and inspect the 2098309031: AXLE BEVEL GEAR for wear during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109042 | DIFFERENTIAL | Distributes torque between drive wheels |
| 2098309011 | CROWN WHEEL | Transfers power from pinion to differential |
| 2099209001 | DIFFERENTIAL | Alternative differential assembly for WG200 |
| 2098309010 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 2098309009 | DIFFERENTIAL HOUSING | Housing variant for WG180 series |
| 2098309031 | AXLE BEVEL GEAR | Drives the crown wheel in final drive |
| 2098309030 | AXLE BEVEL GEAR | Matched bevel gear for left-side axle |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Internal gear for differential rotation |
| 12883200682 | THRUST WASHER | Reduces axial play in differential assembly |
| 0635332059 | BALL BEARING | Supports differential shaft rotation |
