Overview
The ZF 0750.147.083 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG181 and WG201 transmission series. This OEM genuine part channels pressurized hydraulic oil between the valve body and the cooler circuit, ensuring consistent lubrication and thermal regulation within the gearbox assembly. The SKU 0750.147.083 is precision-formed to maintain flow integrity under high-temperature operating conditions, directly supporting the durability of adjacent components such as the 4644101203 TRANSMISSION HOUSING and the 4644301382 TRANSMISSION HOUSING. Without this hose pipe, the transmission cannot maintain proper hydraulic pressure, leading to immediate operational degradation.
Symptoms of Failure
- Hydraulic fluid seepage at the pipe connection points — Visible oil residue around the hose ends indicates seal breakdown, often accompanied by a burning smell as fluid contacts hot surfaces.
- Erratic gear engagement or delayed shifting — A compromised hose pipe reduces line pressure, causing the transmission to hesitate or slip during gear changes, particularly under load.
- Overheating of the transmission sump — Restricted fluid flow through a collapsed or kinked hose pipe prevents proper oil circulation, triggering thermal warnings or elevated temperature readings on the dashboard.
- Audible whining or cavitation noise — Air ingestion through a cracked hose pipe creates a high-pitched sound from the pump, indicating imminent hydraulic system failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0750.147.083 |
| Material | Reinforced synthetic rubber with textile braid |
| Overall Length | 320 mm (estimated) |
| Inner Diameter | 12 mm |
| Outer Diameter | 18 mm |
| Weight | 0.15 kg |
| Operating Pressure | 12 bar (max) |
| Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 0750.147.083 |
| Threaded Connection | M14 x 1.5 (both ends) |
Compatibility
This hose pipe is designed for the ZF WG180 and WG200 transmission families, specifically the WG181 and WG201 series. It is also compatible with the WG190 and WG210 variants where the hydraulic circuit layout matches. The part interfaces directly with the 4644301189 THREADED BUSH and the 0636302005 SCREW PLUG to secure the fluid path. Always verify the hose routing against your specific transmission model before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101203 | TRANSMISSION HOUSING | Encloses gear train and supports bearing loads |
| 4644301382 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 4644301189 | THREADED BUSH | Provides sealing surface for hose pipe connection |
| 0636302005 | SCREW PLUG | Closes unused hydraulic ports |
| 0634306198 | O-RING | Seals hose pipe end fittings |
| 0634801098 | SEALING RING | Prevents fluid leakage at threaded joints |
| 0730365067 | TYPE PLATE | Identifies transmission model and serial number |
| 0631311009 | GROOVED STUD | Anchors hose pipe routing clips |
| 4644301161 | COVER PLATE | Protects internal valve body components |
| 0636100621 | HEXAGON SCREW | Fastens cover plate and housing sections |
