Overview
The ZF 0750.147.199 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 201 Series transmission. This OEM genuine part channels pressurized hydraulic oil between the valve body and the cooler circuit, ensuring consistent lubrication and thermal regulation during high-torque operations. As an integral element of the transmission’s hydraulic network, the SKU 0750.147.199 maintains precise fluid flow to prevent overheating and component wear. When installed alongside the 4644101241: TRANSMISSION HOUSING and the 4644301365: TRANSMISSION HOUSING, this hose pipe completes the sealed oil circuit essential for reliable gear engagement.
Symptoms of Failure
- External hydraulic oil leaks near the cooler lines – Cracks or abrasions in the hose pipe wall cause visible drips, leading to low fluid levels and erratic shifting.
- Transmission overheating during prolonged use – Restricted flow from a collapsed or blocked hose pipe reduces cooling efficiency, triggering thermal warnings.
- Delayed or harsh gear engagement – Insufficient hydraulic pressure due to a compromised hose pipe results in sluggish clutch pack application.
- Audible whining or cavitation noise – Air ingress through a damaged hose pipe creates aeration in the fluid, producing abnormal sounds from the pump.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 0750.147.199 |
| OEM Reference | ZF 0750.147.199 |
| Material | Reinforced synthetic rubber with textile braid |
| Inner Diameter | 12.7 mm (0.5 in) |
| Outer Diameter | 19.0 mm (0.75 in) |
| Overall Length | 410 mm (16.1 in) |
| Weight | 0.18 kg (0.40 lb) |
| Operating Pressure | Up to 15 bar (218 psi) |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
Compatibility
This hose pipe is primarily designed for the ZF WG 201 Series, but it also fits select models within the WG180, WG200, and WG210 families that share the same hydraulic routing architecture. Always verify the part number against your transmission’s serial plate. For secure mounting, pair this hose with the 0636305019: SCREW PLUG and the 0634801088: SEALING RING to prevent leakage at connection points.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101241 | TRANSMISSION HOUSING | Encloses gear sets and supports hydraulic circuits |
| 4644301365 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 0636305019 | SCREW PLUG | Seals oil passages and test ports |
| 0634801088 | SEALING RING | Provides leak-proof joint between hose and housing |
| 0730365067 | TYPE PLATE | Identification plate with transmission specs |
| 0631311009 | GROOVED STUD | Locates and secures housing components |
| 4644301161 | COVER PLATE | Protects internal valve body from debris |
| 0636100621 | HEXAGON SCREW | Fastens cover plate and housing flanges |
| 0631610020 | SET SCREW | Adjusts shift linkage and detent positions |
| 0501218540 | BREATHER | Equalizes internal pressure and vents moisture |
