Overview
The ZF 4166.341.175 TURBINE WHEEL is a critical rotating component within the torque converter assembly of the WG 65 Series transmission. Positioned directly between the pump and stator, this OEM genuine part converts hydraulic energy from the transmission fluid into mechanical torque, driving the input shaft. The turbine wheel’s precision-engineered blades are designed to withstand high thermal loads and rotational stress, ensuring efficient power transfer during vehicle operation. As a direct replacement for SKU 4166.341.175, this component restores original shift quality and prevents premature wear on adjacent assemblies such as the 4616105415: OUTPUT and the 4616101094: TRANSMISSION HOUSING.
Symptoms of Failure
- Torque converter shudder or vibration – A worn turbine wheel causes uneven fluid coupling, resulting in noticeable shudder during acceleration or at highway speeds.
- Delayed or harsh gear engagement – When the turbine wheel loses blade integrity, hydraulic pressure drops, leading to sluggish shifts or abrupt engagement from neutral to drive.
- Overheating transmission fluid – A damaged turbine wheel reduces torque converter efficiency, generating excess heat that can degrade fluid and damage seals like the 0634313118: O-RING.
- Whining or grinding noise from the bell housing – Metal fatigue or blade deformation produces audible noise, often mistaken for pump failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4166.341.175 |
| OEM Reference | ZF 4166.341.175 |
| Material | High-strength aluminum alloy with heat-treated blades |
| Outer Diameter | Approx. 340 mm |
| Weight | 2.8 kg (6.2 lbs) |
| Blade Count | 33 |
| Max Operating Temperature | 120°C (248°F) |
Compatibility
This turbine wheel is engineered specifically for the ZF WG 65 Series, including models such as WG65, WG180, and WG200. It is also compatible with certain variants of the WG150 and WG250 where the torque converter uses a 340mm turbine diameter. Always verify your transmission model and serial number before installation. For complete assembly, pair this part with the 4616303144: OUTPUT FLANGE and secure it using the 0636011038: HEXAGON SCREW to ensure proper torque retention.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105415 | OUTPUT | Transfers torque from turbine to driveline |
| 4616303144 | OUTPUT FLANGE | Connects output shaft to driveshaft |
| 4616101094 | TRANSMISSION HOUSING | Encloses and supports gear train |
| 0636011038 | HEXAGON SCREW | Fastens turbine wheel to hub |
| 0636011118 | HEXAGON SCREW | Secures output flange assembly |
| 0636016015 | HEXAGON SCREW | Mounts housing components |
| 0631306085 | CYLINDRICAL PIN | Aligns turbine wheel to pump |
| 0634313118 | O-RING | Seals turbine hub to stator shaft |
| 0732611049 | FILTER INSERT | Traps debris from torque converter circuit |
| 0634303718 | O-RING | Seals housing cover joint |
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