Overview
The ZF 4642.301.217 TRANSMISSION HOUSING is a critical structural component designed specifically for the WG150 series. This OEM genuine part forms the rigid outer shell that encloses and protects the internal gear train, valve body, and hydraulic circuits within the transmission assembly. As the primary load-bearing casing, it ensures precise alignment of shafts and bearings while containing transmission fluid under pressure. The SKU 4642.301.217 is manufactured to ZF’s exacting tolerances, guaranteeing a direct fit and long service life in heavy-duty industrial applications.
Symptoms of Failure
- External oil seepage around mating surfaces: When the housing develops cracks or warpage, transmission fluid leaks from the joint between the housing and the TRANSMISSION HOUSING assembly, leading to low fluid levels and overheating.
- Gear engagement hesitation or slipping: A distorted housing misaligns internal components, causing delayed shifts or unexpected gear disengagement under load.
- Unusual metallic grinding noises: Bearing bore wear inside the housing allows shaft movement, producing a rhythmic grinding sound during operation.
- Contaminated fluid from debris ingress: A compromised housing seal allows dirt and moisture to enter, accelerating wear on the SCREEN SHEET and other filtration elements.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4642.301.217 |
| Material | High-strength aluminum alloy (A356-T6) |
| Weight | 18.7 kg (41.2 lbs) |
| Overall Length | 620 mm |
| Overall Width | 380 mm |
| Overall Height | 290 mm |
| Bolt Hole Pattern | 12-point M12 x 1.5 |
| OEM Reference | ZF 4642.301.217 |
| Surface Finish | Anodized, corrosion-resistant |
Compatibility
This housing is engineered for the ZF WG150 transmission series. It also fits select variants within the WG180 and WG200 families where the mounting flange pattern and bellhousing dimensions match. For precise fitment verification, always cross-reference the existing housing part number. The housing works in conjunction with the TYPE PLATE for identification and the GROOVED STUD for secure attachment to the torque converter housing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101117 | TRANSMISSION HOUSING | Companion housing for dual-casing configurations |
| 0730365125 | TYPE PLATE | Identification plate with serial number |
| 0631311009 | GROOVED STUD | Alignment stud for housing installation |
| 4642301168 | SCREEN SHEET | Primary oil filter screen |
| 4642301169 | SCREEN SHEET | Secondary fine-mesh filter screen |
| 0636100621 | HEXAGON SCREW | M12 bolt for housing fastening |
| 0630361029 | SEALING CAP | Hydraulic port closure cap |
| 4642306254 | ADAPTER | Converter housing adapter plate |
| 0634303340 | O-RING | Housing-to-adapter seal |
| 4642301186 | SCREEN SHEET | Suction line filter element |
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