Overview
The ZF 4616.128.019 CONNECTING PARTS for WG65 is a critical OEM genuine component engineered to secure and align internal assemblies within the WG 65 series transmission. This part serves as a structural link between the main housing and the planetary gear carrier, ensuring precise torque transfer and reducing vibrational stress during high-load operations. As an OEM genuine part, SKU 4616.128.019 guarantees exact fitment and metallurgical integrity, preventing premature wear in the drivetrain. It is installed adjacent to the 4616101065: TRANSMISSION HOUSING, which provides the foundational enclosure for the entire gearset.
Symptoms of Failure
- Oil leaks near the transmission housing joint: When the connecting part fatigues, it can compromise the seal between the housing and the gear carrier, leading to fluid seepage. This is often accompanied by a visible oil film on the bell housing.
- Gear slipping under load: A worn connecting part allows micro-movement in the planetary assembly, causing intermittent loss of torque transfer. Operators may notice hesitation during acceleration or climbing.
- Abnormal metallic rattling from the transmission: Loose alignment from a degraded connecting part creates a distinct clattering noise, especially at low RPMs or during gear shifts.
- Increased vibration in the driveline: Misalignment caused by a failing connecting part transmits excessive vibration through the chassis, often mistaken for a failing universal joint.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4616.128.019 |
| Material | High-strength alloy steel (heat-treated) |
| Weight | 0.85 kg (1.87 lbs) |
| Length | 142 mm |
| Width | 38 mm |
| Height | 22 mm |
| OEM Reference | ZF 4616.128.019 |
| Thread Pitch | M10 x 1.5 (mounting points) |
Compatibility
This connecting part is specifically designed for the ZF WG 65 series transmission. It is also compatible with the following ZF models that share the same planetary carrier architecture: WG180, WG200, WG210, and WG250. Always verify the transmission serial number before installation. The part integrates with the 0636011038: HEXAGON SCREW and the 0636011118: HEXAGON SCREW for secure fastening to the housing. Additionally, the 0636016015: HEXAGON SCREW is used in the final torque-down sequence.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101065 | TRANSMISSION HOUSING | Main structural enclosure for gear assembly |
| 0636011038 | HEXAGON SCREW | Fastens connecting part to housing |
| 0636011118 | HEXAGON SCREW | Secondary mounting bolt for alignment |
| 0636016015 | HEXAGON SCREW | Torque-critical fastener for final assembly |
| 0631306085 | CYLINDRICAL PIN | Locates and aligns connecting part |
| 0634313118 | O-RING | Seals fluid passage near connecting part |
| 0636304019 | SCREW PLUG | Closes access port in housing |
| 0634801152 | SEALING RING | Prevents oil bypass at connection point |
| 0732611049 | FILTER INSERT | Traps debris in lubrication circuit |
| 0634303718 | O-RING | Secondary seal for hydraulic pressure |
