Overview
The ZF 4657.104.411 DIFFERENTIAL is a critical torque-distribution component engineered specifically for the WG 190 and WG 210 series transmissions. This OEM genuine part sits at the heart of the final drive assembly, where it splits engine power between the axle shafts while allowing each wheel to rotate at different speeds during cornering. As a precision-machined unit, the SKU 4657.104.411 ensures smooth power delivery and reduces drivetrain binding in heavy-duty industrial applications. When installed alongside the 4657101058: TRANSMISSION HOUSING, it forms the core of the differential carrier system, directly interfacing with the 4657201154: HOUS.FRONT SECT to maintain proper gear mesh alignment.
Symptoms of Failure
- Whining or howling noise during turns: A worn differential produces a distinct metallic whine when cornering, indicating damaged spider gears or worn side bearings. This is a common long-tail search query for “ZF differential noise when turning.”
- Oil seepage at the axle seals: Failed differential bearings allow shaft play, causing gear oil to leak past the seals. Search terms like “ZF WG190 differential oil leak” often point to this part.
- Clunking on acceleration or deceleration: Excessive backlash in the differential gears creates a pronounced clunk when load changes, a symptom frequently searched as “ZF transmission clunking differential.”
- Vibration under load: Worn differential cross shafts or damaged thrust washers cause driveline vibration, especially at highway speeds, matching queries such as “WG210 differential vibration.”
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.104.411 |
| OEM Reference | ZF 4657.104.411 |
| Material | Forged alloy steel (case-hardened) |
| Weight | 18.5 kg (40.8 lbs) |
| Overall Diameter | 280 mm |
| Axle Spline Count | 32 (input side) |
| Bearing Type | Tapered roller (dual row) |
| Gear Ratio | 3.73:1 (standard) |
Compatibility
This differential is primarily designed for the ZF WG 190 and WG 210 transmission series. It is also compatible with the WG 180 series when used with the appropriate 4657201155: HOUSING REAR PART and 4657298094: HOUSING REAR SECTION. The unit fits all WG 200 variants that share the same differential housing architecture. For proper installation, ensure the mating TRANSMISSION HOUSING is free of cracks and the HOUS.FRONT SECT is torqued to factory specifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101058 | TRANSMISSION HOUSING | Main structural casing for differential assembly |
| 4657201154 | HOUS.FRONT SECT | Front section housing for bearing support |
| 4657201155 | HOUSING REAR PART | Rear housing section for axle shaft alignment |
| 4657298094 | HOUSING REAR SECTION | Alternate rear housing variant for WG210 |
| 0631306816 | CYLINDRICAL PIN | Locating pin for differential housing alignment |
| 0636100801 | CAP SCREW | Fastener for differential bearing caps |
| 4656301148 | FIXING PLATE | Retaining plate for differential cross shaft |
| 4657301034 | SCREEN SHEET | Oil strainer for differential lubrication |
| 4657301035 | SCREEN SHEET | Secondary oil strainer for high-flow circuits |
| 0636100803 | CAP SCREW | Fastener for housing rear section |
