Overview
The ZF 2094.347.043 MANIFOLD is a precision-machined hydraulic distribution block that directs pressurized oil to the clutch packs and lubrication circuits within ZF heavy-duty powershift transmissions. As an OEM genuine part, it ensures exact flow characteristics and pressure integrity. This manifold sits directly between the main control valve body and the 2094101012: TRANSMISSION HOUSING, serving as the critical interface for fluid routing. The SKU 2094.347.043 is engineered to withstand continuous high-pressure cycles in construction machinery applications such as wheel loaders and graders.
Symptoms of Failure
- Hydraulic oil leaks at the manifold gasket surface — Cracks or warpage in the manifold casting cause external seepage, often mistaken for a simple seal failure. This leads to gradual fluid loss and eventual transmission overheating.
- Erratic or delayed gear engagement — Internal cross-port wear or debris contamination disrupts pilot pressure signals, resulting in harsh shifts or failure to engage specific gears under load.
- Low clutch pressure warnings — A worn manifold bore allows internal bypass, triggering diagnostic codes for insufficient pressure to the forward or reverse clutches, especially during cold starts.
- Transmission slipping under heavy load — When the manifold cannot maintain regulated flow, the torque converter and clutches slip, reducing machine productivity on steep grades or in hard digging conditions.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2094.347.043 |
| Material | High-grade aluminum alloy (EN AC-42100) |
| Weight | 1.85 kg (4.08 lbs) |
| Overall Dimensions | 210 mm x 120 mm x 55 mm |
| Port Thread Size | M14 x 1.5 (inlet/outlet) |
| Maximum Operating Pressure | 25 bar (362 psi) |
| OEM Reference | ZF 2094.347.043 |
Compatibility
This manifold is designed for the ZF WG series powershift transmissions commonly found in construction machinery. It is a direct fit for the WG180, WG200, and WG210 models. The part also integrates with the 2094301036: HOUSING and the 2094298057: HOUSING in multi-plate clutch assemblies. For final sealing, it requires the 2094301071: COVER to protect the valve spool bores from external debris. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101012 | TRANSMISSION HOUSING | Main structural casing that encloses all gear and clutch assemblies |
| 2094301036 | HOUSING | Intermediate housing for clutch pack support and oil routing |
| 2094298057 | HOUSING | Rear housing section for output shaft bearing support |
| 2094301071 | COVER | Protective cover for manifold valve access port |
| 0750111371 | SHAFT SEAL | Prevents oil leakage at rotating shaft interfaces |
| 0634303085 | O-RING | Static seal between manifold and housing faces |
| 2094301030 | GASKET | Paper gasket for manifold-to-housing sealing surface |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for precise manifold positioning |
| 0636011356 | HEXAGON SCREW | M10 mounting bolt for manifold attachment |
| 4475280060 | SCREW PLUG | Sealing plug for unused manifold test ports |
