Overview
The ZF 4660.303.007 OUTPUT SHAFT is a critical torque-transfer component engineered for the WG200 and WG92 series transmissions. This OEM genuine part sits at the rear of the gearbox assembly, connecting the planetary gearset to the driveline flange. It transmits rotational power from the transmission to the vehicle’s drive shaft while supporting the output bearing and seal surfaces. The SKU 4660.303.007 is precision-machined to ZF’s original tolerances, ensuring proper alignment with the 4660101011: TRANSMISSION HOUSING and the 4660301018: HOUSING assembly. When this shaft wears, it compromises the entire driveline’s integrity, making timely replacement essential for fleet operators.
Symptoms of Failure
- Output flange oil leakage: Worn splines or a scored shaft surface allow transmission fluid to seep past the seal, leaving puddles under the vehicle. This is a common search query for “ZF WG200 output shaft oil leak.”
- Driveline vibration under load: A bent or fatigued output shaft causes noticeable shuddering during acceleration, particularly in the 30-50 mph range. This symptom often leads technicians to search “ZF transmission vibration after shaft replacement.”
- Gear engagement hesitation: Excessive axial play in the output shaft prevents the 0501209818: RANGE SELECTOR from engaging fully, resulting in delayed shifts or “clunking” noises.
- Metal debris in transmission pan: Flaking splines or bearing race wear on the 4660.303.007 produces metallic particles that contaminate the fluid, a symptom frequently searched as “ZF WG92 metal shavings in oil.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4660.303.007 |
| Overall Length | 385 mm (estimated) |
| Shaft Diameter (bearing journal) | 45 mm (estimated) |
| Spline Count (output end) | 24-tooth involute |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 3.2 kg (7.1 lbs) |
| OEM Reference | ZF 4660.303.007 |
| Surface Treatment | Black oxide or phosphate coating |
Compatibility
This output shaft is designed for the ZF WG200 and WG92 series transmissions, which include the WG180, WG200, and WG92 models. It is a direct fit for all WG200 variants (WG200, WG200C, WG200T) and WG92 variants (WG92, WG92C) produced after 1998. The 4660.303.007 interfaces directly with the 4660198001: PERIPHERALS kit, which contains the necessary seals and bearings for a complete rebuild. For proper installation, always verify the shaft’s spline engagement with the planetary carrier and ensure the 4660221012: SUCTION TUBE is clear of debris. This part is not backward-compatible with the earlier WG120 series without modification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | Seal and bearing kit for output shaft installation |
| 0501209818 | RANGE SELECTOR | Controls gear engagement adjacent to output shaft |
| 4660101011 | TRANSMISSION HOUSING | Main housing that supports the output shaft bearing |
| 4660301018 | HOUSING | Rear housing cover sealing the output shaft area |
| 0631306174 | CYLINDRICAL PIN | Alignment pin for shaft-to-housing positioning |
| 0769123894 | TYPE PLATE | Identification plate for transmission model verification |
| 4660221012 | SUCTION TUBE | Oil pickup tube near output shaft sump area |
| 0634100317 | O-RING | Seals output shaft bore in the housing |
| 0636103273 | CAP SCREW | Fastens output shaft flange to driveline |
| 0750100022 | SCREW PLUG | Drain or fill plug near output shaft cavity |
