Overview
The ZF 0730.102.042 is a precision-engineered OEM genuine component designed for the internal lubrication and hydraulic control circuits within the WG150, WG190, and WG200 series transmissions. This part functions as a critical flow director or sealing element, ensuring that transmission fluid is routed correctly to cool clutches and lubricate bearings under high torque loads. As an original ZF part, SKU 0730.102.042 guarantees exact fitment and material integrity, preventing cross-threading or pressure loss that can occur with aftermarket substitutes. It is typically located within the lower valve body or main housing assembly, working in concert with the TRANSMISSION HOUSING and the TRANSMISSION HOUSING to maintain structural integrity.
Symptoms of Failure
- Erratic gear engagement or delayed shifting: When the 0730.102.042 wears, internal fluid pressure drops, causing hesitation when shifting between forward and reverse gears.
- Visible oil seepage near the valve body: A compromised seal or cracked body leads to fluid weeping from the transmission pan gasket area, often mistaken for a pan leak.
- Transmission overheating under load: Insufficient lubrication flow due to a failing part causes elevated operating temperatures, particularly in WG190 and WG200 units used in heavy-duty applications.
- Whining or humming noise from the transmission: Metal-on-metal contact from reduced oil film thickness generates audible noise, especially during cold starts.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 0730.102.042 |
| Material | High-grade aluminum alloy with nitrile sealing surfaces |
| Weight | 0.42 kg (0.93 lbs) |
| Dimensions (L x W x H) | 85 mm x 45 mm x 30 mm |
| OEM Reference | ZF Friedrichshafen AG |
| Surface Finish | Anodized, corrosion-resistant |
Compatibility
This genuine ZF 0730.102.042 is engineered for direct installation in the following transmission series: WG 150 Series, WG 180 Series, WG 190 Series, WG 200 Series, WG 201 Series, and WG 210 Series. It is commonly paired with the TYPE PLATE for identification and the GROOVED STUD for secure mounting. Always verify your transmission model number against the WG series designation before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101047 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4642301207 | TRANSMISSION HOUSING | Secondary housing for valve body and oil channels |
| 0730365067 | TYPE PLATE | Identification plate with transmission serial and model |
| 0631311009 | GROOVED STUD | Alignment and fastening pin for housing assembly |
| 4642301168 | SCREEN SHEET | Fine mesh filter for hydraulic fluid debris |
| 4642301169 | SCREEN SHEET | Secondary filter screen for high-pressure circuits |
| 0636100621 | HEXAGON SCREW | M8 bolt for securing valve body covers |
| 4642301186 | SCREEN SHEET | Oil strainer for sump pickup area |
| 4644106300 | SHIFT SYSTEM | Mechanical linkage for gear selection |
| 4644306500 | COVER PLATE | Access cover for valve body inspection |
Frequently Asked Questions
Q: Can I use the ZF 0730.102.042 in a WG180 transmission?
A: Yes, this part is fully compatible with the WG180 series. It is also used in WG150, WG190, and WG200 models. Always cross-reference your transmission serial number with the OEM parts catalog to confirm.
Q: What tools are needed to replace this part?
A: Replacement typically requires a torque wrench, a set of hex sockets, and a clean workspace. You will also need to remove the transmission pan and possibly the valve body. We recommend replacing the HEXAGON SCREW and SCREEN SHEET at the same time for optimal performance.
Q: Is this part a genuine ZF OEM item or an aftermarket copy?
A: The 0730.102.042 listed here is an OEM genuine ZF part, manufactured to the same specifications as the original equipment. It is not a generic aftermarket component.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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