Overview
The ZF 4616.199.164 LOOSE PARTS kit is a critical service component designed specifically for the WG 65 Series transmission. This genuine OEM assembly contains the necessary loose hardware and fasteners required to secure internal transmission elements during a rebuild or major repair. Positioned within the main gear case, these parts ensure that the planetary gear sets and clutch packs remain properly aligned under high torque loads. The SKU 4616.199.164 is factory-matched to the WG65 housing, providing a precise fit that aftermarket alternatives cannot guarantee. When replacing the 4616101102: TRANSMISSION HOUSING, this kit is indispensable for restoring factory tolerances.
Symptoms of Failure
- Transmission oil seepage at housing joints: Worn or missing loose parts can cause the housing seals to fail, leading to visible oil drips around the WG65 casing.
- Intermittent gear slippage under load: If the fasteners in this kit lose clamping force, internal components shift, resulting in delayed engagement or slipping during acceleration.
- Unusual metallic rattling from the transmission bell housing: Loose hardware can vibrate against the housing, producing a distinct rattle that worsens at higher RPMs.
- Difficulty shifting into forward or reverse gears: Misalignment caused by degraded loose parts prevents the shift mechanism from fully engaging the correct gear set.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.199.164 |
| OEM Reference | ZF 4616.199.164 |
| Material | Case-hardened steel with zinc plating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions | 120 mm x 80 mm x 40 mm |
| Compatible Fasteners | 0636011038: HEXAGON SCREW, 0636011118: HEXAGON SCREW, 0636016015: HEXAGON SCREW |
| Sealing Components | 0634313118: O-RING, 0634801152: SEALING RING |
| Additional Hardware | 0631306085: CYLINDRICAL PIN, 0636304019: SCREW PLUG |
Compatibility
This loose parts kit is engineered for the ZF WG 65 Series transmission family. While primarily designed for the WG65 model, it is also compatible with the WG180, WG200, and WG250 transmissions that share the same housing architecture. The kit directly interfaces with the 4616101102: TRANSMISSION HOUSING and requires the use of 0636011038: HEXAGON SCREW for proper torque retention. Always verify your transmission serial number before ordering to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101102 | TRANSMISSION HOUSING | Main structural casing for the WG65 gear set |
| 0636011038 | HEXAGON SCREW | Secures housing to bell housing |
| 0636011118 | HEXAGON SCREW | Fastens clutch pack retainers |
| 0636016015 | HEXAGON SCREW | Mounts oil pump assembly |
| 0631306085 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0634313118 | O-RING | Seals oil passages between housing sections |
| 0636304019 | SCREW PLUG | Closes inspection ports on housing |
| 0634801152 | SEALING RING | Prevents fluid leaks at threaded joints |
| 0732611049 | FILTER INSERT | Traps debris in hydraulic circuit |
| 0634303718 | O-RING | Seals filter housing to valve body |
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