Overview
The ZF 4616.199.410 LOOSE PARTS kit is a critical service component engineered specifically for the WG 65 Series transmission. This genuine OEM assembly includes all necessary fasteners, seals, and positioning elements required to secure internal housing sections during a rebuild or major repair. The SKU 4616.199.410 functions as a consolidation of loose hardware that typically must be replaced to prevent oil migration and structural fatigue. When paired with a new 4616101140: TRANSMISSION HOUSING, this kit ensures proper clamping force and alignment of the gear train.
Symptoms of Failure
- External oil seepage at housing joints: Worn or missing loose parts cause the main housing to lose seal integrity, leading to visible drips around the bell housing interface.
- Intermittent gear engagement hesitation: When the 0636011118: HEXAGON SCREW loses torque retention, internal clearances shift, causing delayed clutch pack application.
- Abnormal vibration during load shifts: Degraded locating pins or screws allow the 4616301304: HOUSING to micro-move, generating low-frequency rumble under torque.
- Fluid contamination from metal debris: Fractured loose parts shed particles into the sump, often detected during routine oil analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.199.410 |
| Material Composition | Steel (fasteners) / Nitrile (seals) |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 4616.199.410 |
| Thread Pitch (primary screws) | M10 x 1.5 |
| Temperature Range | -40°C to +120°C |
| Hardness (fasteners) | 8.8 grade steel |
Compatibility
This loose parts kit is designed for the WG 65 Series but also applies to ZF WG180, WG200, and WG250 models that share the same housing architecture. It is a direct replacement for the original hardware bundle used in these transmissions. For full assembly integrity, always install this kit alongside a new 4616301309: HOUSING to guarantee concentric alignment of the output shaft.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101140 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 0636011118 | HEXAGON SCREW | Secures housing to bell housing |
| 4616301304 | HOUSING | Intermediate support for planetary gears |
| 4616301309 | HOUSING | Rear housing for output shaft bearing |
| 0636011038 | HEXAGON SCREW | Fastener for valve body attachment |
| 0636016015 | HEXAGON SCREW | High-torque bolt for clutch drum |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0634313118 | O-RING | Seals oil passages between housings |
| 0636304019 | SCREW PLUG | Closes test ports in housing |
| 0634801152 | SEALING RING | Prevents leakage at plug interfaces |
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