Overview
The ZF 0750.147.007 HOSE PIPE is a critical fluid transfer component engineered for the WG 181 and WG 200 transmission series. This OEM genuine part routes pressurized hydraulic oil between the valve block and the transmission housing, ensuring consistent lubrication and clutch actuation. As a direct replacement for the original equipment, the SKU 0750.147.007 guarantees a precise fit within the internal oil circuit, preventing pressure drops that can compromise shift quality. This hose pipe works in conjunction with the TRANSMISSION HOUSING and the HOUSING to maintain a sealed hydraulic loop.
Symptoms of Failure
- External hydraulic oil leaks near the transmission pan: A cracked or brittle hose pipe will weep ATF fluid, often leaving puddles under the vehicle after extended operation.
- Erratic or delayed gear engagement: When the hose pipe loses integrity, internal pressure drops, causing hesitation when shifting from neutral to drive or reverse.
- Overheating transmission fluid: A restricted or collapsed hose pipe reduces oil flow, leading to elevated sump temperatures and potential thermal damage to the TYPE PLATE.
- Whining noise from the transmission pump: Air ingestion through a damaged hose pipe creates cavitation, producing a high-pitched whine during acceleration.
Technical Specifications
| Part Number | 0750.147.007 |
| Material | Reinforced synthetic rubber with braided textile |
| Inner Diameter | 12.7 mm (0.5 inches) |
| Overall Length | 380 mm (15.0 inches) |
| Weight | 0.18 kg (0.4 lbs) |
| OEM Reference | ZF 0750.147.007 |
| Operating Pressure | Up to 18 bar (261 psi) |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
Compatibility
This hose pipe is specifically designed for ZF WG 181 and WG 200 series transmissions. It directly replaces the original equipment in models such as the WG180, WG181, WG200, and WG201. The part interfaces with the SHIFT SYSTEM and the COVER PLATE to ensure proper routing. For installations involving the GROOVED STUD, verify that the hose clip aligns correctly with the stud’s groove to prevent vibration-induced loosening.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101165 | TRANSMISSION HOUSING | Encloses the gear train and hydraulic circuits |
| 4644301304 | HOUSING | Supports the valve block and oil passages |
| 0730365067 | TYPE PLATE | Identifies transmission model and serial number |
| 0631311009 | GROOVED STUD | Secures hose pipe routing clips |
| 4644106300 | SHIFT SYSTEM | Controls gear selection via hydraulic pressure |
| 4644306500 | COVER PLATE | Seals the transmission housing access port |
| 4644159300 | SHIFT SYSTEM | Alternate shift system for WG200 variants |
| 4644306560 | VALVE BLOCK | Regulates oil flow to clutches and bands |
| 4644306408 | WASHER | Provides sealing under bolt heads |
| 4644107015 | SPEEDOMETER | Measures output shaft rotational speed |
