Overview
The ZF 4616.199.176 LOOSE PARTS for WG65 is a critical sub-assembly kit designed for the WG 65 Series transmission. This genuine OEM part functions as a collection of fasteners, seals, and positioning elements that secure internal components within the main gear housing. Specifically, it interfaces directly with the 4616101137: TRANSMISSION HOUSING to ensure proper alignment and sealing of the planetary gear sets. The SKU 4616.199.176 is often replaced during a full overhaul to prevent premature wear on adjacent assemblies.
Symptoms of Failure
When the ZF 4616.199.176 LOOSE PARTS degrade, operators typically notice these specific failure modes:
- Oil seepage at housing joints – Worn sealing elements in this kit cause transmission fluid to leak around the 4616301304: HOUSING interface, leading to low fluid levels and overheating.
- Intermittent gear slippage under load – Loose fasteners from this kit allow the 4616301309: HOUSING to shift slightly, disrupting clutch pack engagement.
- Abnormal vibration during shifting – Missing or damaged positioning pins cause misalignment between the 0636011118: HEXAGON SCREW and the main shaft, creating harmonic resonance.
- Metal debris in oil pan – Failing components in this kit allow metal-on-metal contact, generating fine shavings that clog filters.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.199.176 |
| Material Composition | Case-hardened steel (fasteners) + NBR rubber (seals) |
| Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 4616.199.176 |
| Thread Pitch | M8 x 1.25 (primary screws) |
| Operating Temperature Range | -40°C to +120°C |
| Torque Specification | 25 Nm ± 2 Nm |
Compatibility
This LOOSE PARTS kit is engineered for the ZF WG 65 Series, but it also cross-references with several other ZF transmission models that share the same housing architecture. Compatible units include the WG180, WG200, WG210, and WG250 series. It is not recommended for use in the WG120 or WG150 series without verifying the 0636011118: HEXAGON SCREW length matches the housing depth. Always confirm the SKU 4616.199.176 against your transmission’s serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101137 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 0636011118 | HEXAGON SCREW | Secures housing to bell housing |
| 4616301304 | HOUSING | Intermediate housing for clutch pack |
| 4616301309 | HOUSING | Rear housing for output shaft |
| 0630361069 | SEALING CAP | Prevents fluid ingress at sensor ports |
| 0636011038 | HEXAGON SCREW | Fastener for valve body attachment |
| 0636016015 | HEXAGON SCREW | High-tensile bolt for planetary carrier |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0634313118 | O-RING | Seals oil passages between housings |
| 0636304019 | SCREW PLUG | Closes drain/fill ports in housing |
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