Overview
The ZF 4657.103.432 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. Positioned at the rear of the main housing assembly, this OEM genuine part ensures precise torque delivery and smooth power flow under heavy-duty operating conditions. The SKU 4657.103.432 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn units in WG190 and WG210 series transmissions. When paired with a robust TRANSMISSION HOUSING, this output component maintains structural alignment and reduces vibration during gear changes.
Symptoms of Failure
- Oil leaks near the rear seal: A worn 4657.103.432 output hub can cause transmission fluid to seep past the seal, leading to low fluid levels and overheating.
- Gear slipping under load: When the output splines wear, the shaft loses positive engagement, resulting in intermittent power loss during acceleration or hill climbs.
- Excessive driveline vibration: A damaged output flange creates imbalance, producing a noticeable shudder at highway speeds that worsens over time.
- Metallic grinding noises: Worn bearing surfaces on the output component generate a distinct grinding sound, especially when shifting from neutral to drive.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.103.432 |
| Material | Case-hardened alloy steel |
| Weight | 2.85 kg (6.28 lbs) |
| Outer Diameter | 98.5 mm |
| Spline Count | 32 internal splines |
| OEM Reference | ZF 4657.103.432 |
Compatibility
This ZF 4657.103.432 output component is specifically engineered for the WG190 and WG210 transmission families. It also fits select WG180 and WG200 variants that share the same output shaft geometry and spline configuration. The part integrates directly with the HOUS.FRONT SECT and the HOUSING REAR PART, ensuring correct axial positioning. For secure mounting, use a CYLINDRICAL PIN to align the output assembly during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses and supports gear sets and shafts |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input components |
| 4657201012 | HOUSING REAR PART | Rear housing that supports output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for precise assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locks output component in position |
| 4657301032 | SCREEN SHEET | Filter screen for oil flow protection |
| 4657301033 | SCREEN SHEET | Secondary filter screen for debris |
| 0636100803 | CAP SCREW | Mounting bolt for output flange |
| 4681301040 | OIL FEED.HOUSG. | Distributes lubrication to output bearings |
Frequently Asked Questions
Q: How do I know if the 4657.103.432 output needs replacement?
A: Check for visible wear on the splines or scoring on the bearing surface. If you notice oil weeping from the rear seal or a clunking sound when shifting, the output component is likely worn and should be replaced.
Q: Can this output part be used in a ZF WG180 transmission?
A: Yes, the 4657.103.432 is compatible with WG180 models that share the same output shaft diameter and spline count. Always verify your transmission’s serial number against the OEM parts list before ordering.
Q: What torque specification should I use when installing the output?
A: ZF recommends tightening the output flange retaining nut to 180 Nm (133 ft-lbs) and using a new CAP SCREW for secure fastening. Always consult the service manual for your specific transmission model.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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