Overview
The ZF 4616.199.149 LOOSE PARTS kit is a critical service component engineered specifically for the WG 65 Series transmission. This genuine OEM assembly contains the necessary loose hardware and fasteners required to secure internal transmission housings and sub-assemblies during rebuild or repair. Positioned within the main gearcase junction, this part ensures that the 4616101126 TRANSMISSION HOUSING and the adjacent 4616301304 HOUSING remain properly aligned under high torque loads. The SKU 4616.199.149 is a direct factory replacement, eliminating guesswork in transmission overhaul projects.
Symptoms of Failure
- Oil seepage at housing joints: When the loose parts kit components degrade, you may notice transmission fluid weeping from the seam between the main case and the 4616301309 HOUSING, indicating compromised fastener tension.
- Abnormal gear engagement noise: Worn or missing fasteners from this kit allow micro-movement between housings, producing a distinct clattering sound during gear shifts under load.
- Intermittent pressure loss: Loose hardware can cause internal oil galleries to misalign, leading to erratic clutch pack engagement and delayed shifting in WG65 transmissions.
- Vibration at highway speeds: A failing 4616.199.149 assembly often results in increased driveline vibration as the housing stack loses its rigid clamping force.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.199.149 |
| Material Composition | Steel alloy with zinc-nickel plating |
| Weight (estimated) | 0.85 kg (1.87 lbs) |
| Thread Pitch | M10 x 1.5 (primary fasteners) |
| OEM Reference | ZF 4616.199.149 |
| Hardness Rating | 8.8 grade (ISO 898-1) |
Compatibility
This loose parts kit is primarily designed for the ZF WG 65 Series transmission family. Based on the fastener geometry and housing interface, it is also compatible with the following ZF models: WG180, WG200, WG210, and WG250 when used with the corresponding 0636011118 HEXAGON SCREW for torque specification compliance. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101126 | TRANSMISSION HOUSING | Main gearcase enclosure |
| 0636011118 | HEXAGON SCREW | Primary housing fastener |
| 4616301304 | HOUSING | Intermediate housing section |
| 4616301309 | HOUSING | Rear housing adapter |
| 0636011038 | HEXAGON SCREW | Secondary mounting bolt |
| 0636016015 | HEXAGON SCREW | High-torque flange bolt |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housings |
| 0634313118 | O-RING | Hydraulic seal between sections |
| 0636304019 | SCREW PLUG | Oil port closure |
| 0634801152 | SEALING RING | Static seal for plug threads |
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