Overview
The ZF 4657.103.405 OUTPUT for WG190/WG210 is a critical driveline component engineered to transfer rotational force from the transmission’s planetary gear set to the output shaft and onward to the vehicle’s differential. Positioned at the rear of the gearbox housing, this OEM genuine part ensures precise torque delivery and maintains axial alignment under heavy loads. The SKU 4657.103.405 is machined from high-strength alloy steel to withstand the demanding cycles of off-highway and commercial applications. When paired with a robust TRANSMISSION HOUSING, this output assembly forms the backbone of the WG190 and WG210 series reliability.
Symptoms of Failure
- Oil leaks at the rear seal interface: A worn output hub can degrade the sealing surface, causing transmission fluid to weep from the tail housing. This is a common long-tail search query for “ZF WG190 rear oil leak repair.”
- Gear slipping under load: When the output splines wear, torque transfer becomes intermittent, leading to hesitation or slipping during acceleration—often searched as “WG210 output shaft slipping symptoms.”
- Excessive driveline vibration: Bearing surface wear on the 4657.103.405 output can introduce radial play, resulting in low-frequency vibrations that intensify at highway speeds.
- Metallic debris in transmission fluid: Flaking or spalling from the output component contaminates the oil, a symptom frequently flagged in “ZF transmission metal shavings causes.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.103.405 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.3 lbs) |
| Outer Diameter | 120 mm |
| Overall Length | 215 mm |
| Spline Count | 24 (internal) / 28 (external) |
| OEM Reference | ZF 4657.103.405 |
Compatibility
This output component is specifically designed for the ZF WG190 and WG210 series transmissions. It also fits select variants of the WG180 and WG200 models where the output shaft geometry matches. Always verify housing compatibility—this part integrates directly with the HOUS.FRONT SECT and the HOUSING REAR PART to ensure correct axial positioning. For full rear-end assembly, the HOUSING REAR SECTION provides the final structural support.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101065 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201132 | HOUS.FRONT SECT | Front section enclosing input components |
| 4657201152 | HOUSING REAR PART | Rear housing supporting output shaft |
| 4657298092 | HOUSING REAR SECTION | Final rear section for bearing retention |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for output bearing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | High-tensile bolt for output flange |
Frequently Asked Questions
Q: Can the 4657.103.405 output be replaced without removing the entire transmission?
A: In most WG190/WG210 installations, the output can be accessed by removing the rear housing section and tail cone. However, always consult the service manual—some chassis configurations require partial transmission removal.
Q: What torque specification should I use for the output shaft nut?
A: ZF recommends 280–320 Nm (207–236 ft-lbs) for the main output nut on the 4657.103.405. Use a thread-locking compound and a new cotter pin for safety.
Q: Is this part interchangeable with earlier WG180 series outputs?
A: The spline count and overall length differ between series. While the WG180 uses a 22-spline output, the 4657.103.405 features a 24-spline internal pattern. Verify compatibility before installation.
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Phone: +86 158 2286 3467 |
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