Overview
The ZF 0750.147.051 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 150 Series transmission. This OEM genuine part channels pressurized hydraulic oil between the valve body and the clutch pack assembly, ensuring precise lubrication and cooling within the gear train. The SKU 0750.147.051 is manufactured to exacting tolerances to maintain consistent flow rates and prevent pressure drops that can compromise shift quality. When installed alongside a robust TRANSMISSION HOUSING or a TRANSMISSION HOUSING, this hose pipe forms a sealed circuit that is essential for long-term drivetrain reliability.
Symptoms of Failure
When the ZF 0750.147.051 HOSE PIPE begins to degrade, operators may notice several distinct failure indicators. Hydraulic oil seepage around the hose connections is the most common early sign, often leaving residue on the transmission casing. Delayed or harsh gear engagement occurs as internal pressure drops due to micro-cracks in the pipe wall. Overheating of the transmission fluid can develop when the hose restricts flow, leading to thermal degradation of seals. Finally, intermittent gear slippage under load may manifest, particularly during uphill climbs or heavy towing, as the pipe fails to deliver adequate lubrication to the clutches.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0750.147.051 |
| OEM Reference | ZF 0750.147.051 |
| Material | Reinforced synthetic rubber with braided textile |
| Inner Diameter | 12.7 mm (0.5 in) |
| Outer Diameter | 19.0 mm (0.75 in) |
| Length | 320 mm (12.6 in) |
| Weight | 0.18 kg (0.4 lb) |
| Operating Pressure | 12 bar (174 psi) max |
| Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF hose pipe is primarily designed for the WG 150 Series transmissions, including models such as WG150, WG151, and WG152. It is also compatible with the WG 180 Series (WG180, WG181) and WG 200 Series (WG200, WG202) where the hydraulic circuit layout matches. For proper identification, always verify the TYPE PLATE on your transmission to confirm the exact model variant. The hose pipe integrates directly with the GROOVED STUD that secures it to the housing, ensuring a leak-free connection.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4642301205 | TRANSMISSION HOUSING | Secondary housing for clutch pack support |
| 0730365125 | TYPE PLATE | Identification plate with model and serial number |
| 0631311009 | GROOVED STUD | Fastener for hose pipe and housing alignment |
| 4642301168 | SCREEN SHEET | Filter mesh for hydraulic fluid debris |
| 4642301169 | SCREEN SHEET | Fine filter for oil return circuit |
| 0636100621 | HEXAGON SCREW | Mounting bolt for cover plates |
| 4642301186 | SCREEN SHEET | Pre-filter for pump intake |
| 4644106085 | SHIFT SYSTEM | Electro-hydraulic shift control module |
| 4642306050 | COVER PLATE | Sealing plate for access port |
