Overview
The ZF 4616.199.174 LOOSE PARTS kit is a critical service assembly designed specifically for the WG 65 Series transmission. This OEM genuine part consolidates essential fasteners, seals, and positioning components required during a transmission overhaul or housing replacement. The kit ensures proper clamping force and leak-free sealing between the main transmission housing and auxiliary housings. When installing a new 4616101140: TRANSMISSION HOUSING, this loose parts set provides the necessary hardware to secure the assembly. The SKU 4616.199.174 is factory-matched to ZF’s original tolerances, eliminating guesswork during rebuilds.
Symptoms of Failure
- External oil seepage at housing joints: Worn or missing components from this kit cause transmission fluid to weep between the main housing and auxiliary covers, leaving visible drips under the vehicle.
- Loose or rattling housing sections: Degraded fasteners or missing hardware from the 4616.199.174 set allow the 4616301304: HOUSING to vibrate against the main case, producing a distinct metallic rattle during gear changes.
- Intermittent gear engagement hesitation: When the 4616301309: HOUSING shifts out of alignment due to failed fasteners, internal shaft alignment is compromised, causing delayed or rough shifting.
- Contaminated transmission fluid: A compromised seal from this kit allows dirt and moisture ingress, leading to premature clutch pack wear and fluid discoloration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4616.199.174 |
| OEM Reference | ZF WG 65 Series Loose Parts Kit |
| Material Composition | Steel (fasteners), NBR (seals), Zinc-plated hardware |
| Kit Weight | 0.85 kg (1.87 lbs) |
| Fastener Torque Spec | 60 Nm (44 ft-lbs) for M10 hexagon screws |
| Operating Temperature Range | -40°C to +120°C (-40°F to 248°F) |
| Thread Pitch | M10 x 1.5 (primary screws) |
Compatibility
This loose parts kit is engineered for the ZF WG 65 Series, but its hardware dimensions also suit the following ZF transmission models: WG180, WG200, WG210, and WG250. The kit includes the 0636011118: HEXAGON SCREW and other fasteners that match the bolt patterns of these units. Always verify the housing casting numbers before installation, as variations exist between early and late production runs.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101140 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 0636011118 | HEXAGON SCREW | Secures housing to bell housing |
| 4616301304 | HOUSING | Auxiliary cover for clutch pack access |
| 4616301309 | HOUSING | Rear housing for output shaft support |
| 0636011038 | HEXAGON SCREW | M8 fastener for valve body retention |
| 0636016015 | HEXAGON SCREW | M12 bolt for oil pan attachment |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing centering |
| 0634313118 | O-RING | Seals oil passages between housings |
| 0636304019 | SCREW PLUG | Closes unused threaded ports |
| 0634801152 | SEALING RING | Copper crush washer for drain plug |
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