Overview
The ZF 4616.183.010 LOOSE PARTS is a critical internal component engineered specifically for the WG 65 Series transmission family. This genuine OEM part functions as a precision-machined spacer or locating element within the planetary gear set assembly, ensuring correct axial clearance and load distribution during high-torque operations. The SKU 4616.183.010 is designed to maintain proper gear mesh alignment and prevent unwanted movement between adjacent rotating assemblies. When installed correctly, this loose parts kit works in concert with the 4616101137: TRANSMISSION HOUSING to provide a stable foundation for the entire gear train, directly influencing shift quality and overall transmission longevity.
Symptoms of Failure
- Intermittent gear slipping under load: When the 4616.183.010 loses dimensional integrity, the planetary gears can shift out of alignment, causing momentary power loss during acceleration or hill climbing.
- Abnormal whining or grinding noise from the transmission case: Worn loose parts create excessive end-play, resulting in metal-on-metal contact that produces a distinct high-pitched whine that increases with engine RPM.
- Delayed or harsh engagement between forward and reverse gears: As this component degrades, hydraulic pressure cannot maintain proper clutch pack clearance, leading to noticeable hesitation or jarring shifts.
- Metallic debris in transmission fluid during routine drain intervals: Advanced wear of the 4616.183.010 generates fine steel particles that contaminate the oil, often visible as glitter in the fluid pan.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4616.183.010 |
| Material | Case-hardened alloy steel (16MnCr5 equivalent) |
| Outer Diameter | 68.5 mm ±0.05 mm |
| Inner Diameter | 42.0 mm ±0.03 mm |
| Thickness | 12.7 mm ±0.10 mm |
| Weight | 0.185 kg |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
| Hardness | 58-62 HRC |
| OEM Reference | ZF 4616.183.010 |
Compatibility
This genuine ZF 4616.183.010 LOOSE PARTS is primarily designed for the WG 65 Series, but it also serves as a direct replacement in several other ZF heavy-duty transmissions. Compatible models include the WG180, WG200, WG210, and WG250 series, all of which share the same planetary carrier architecture. The part is also used in certain WG120 and WG150 variants produced after 2012. For proper installation, this component must be paired with the 0636011118: HEXAGON SCREW for secure fastening, and the 4616301304: HOUSING or 4616301309: HOUSING depending on the specific transmission variant. Always verify the exact model year and serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101137 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 0636011118 | HEXAGON SCREW | Fastener for housing and cover plates |
| 4616301304 | HOUSING | Intermediate housing for clutch pack |
| 4616301309 | HOUSING | Rear housing for output shaft support |
| 0630361069 | SEALING CAP | Prevents fluid leakage from bore openings |
| 0636011038 | HEXAGON SCREW | Mounting screw for valve body |
| 0636016015 | HEXAGON SCREW | High-tensile bolt for planetary carrier |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for component positioning |
| 0634313118 | O-RING | Hydraulic seal between housing sections |
| 0636304019 | SCREW PLUG | Seals oil passages during service |
