Overview
The ZF 0750.147.236 HOSE PIPE is a critical fluid transfer component engineered for the WG190 and WG210 transmission series. This OEM genuine part channels pressurized hydraulic oil between the valve body and the clutch housing, ensuring consistent lubrication and cooling within the gear train. As a direct replacement for the original factory assembly, the SKU 0750.147.236 maintains the precise internal diameter and bend radius required to prevent flow restriction. When installed alongside the TRANSMISSION HOUSING and the HOUS.FRONT SECT, this hose pipe forms a sealed circuit that supports the transmission’s hydraulic modulation under heavy load.
Symptoms of Failure
When the 0750.147.236 hose pipe deteriorates, operators typically encounter these specific failure indicators:
- External hydraulic oil leaks – Cracks or abrasions on the hose surface cause visible drips near the bell housing, often mistaken for a main seal failure.
- Delayed gear engagement – A worn hose pipe reduces line pressure, resulting in a 2–3 second lag when shifting from neutral to drive under load.
- Overheating transmission fluid – Restricted flow through a collapsed hose pipe leads to elevated sump temperatures, triggering warning lights on the dash.
- Intermittent clutch slip – Inconsistent fluid delivery to the clutch pack causes momentary power loss during uphill climbs or towing operations.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 0750.147.236 |
| Material | Reinforced synthetic rubber with braided textile layer |
| Inside Diameter | 12.7 mm (0.5 in) |
| Outside Diameter | 19.0 mm (0.75 in) |
| Overall Length | 385 mm (15.2 in) |
| Burst Pressure Rating | 35 bar (507 psi) |
| Operating Temperature Range | -40°C to +120°C |
| Weight | 0.18 kg (0.4 lb) |
| OEM Reference | ZF 0750.147.236 |
Compatibility
This hose pipe is specifically validated for the ZF WG190 and WG210 series transmissions. Based on the hydraulic circuit design, it also fits the following models when used with the correct HOUSING REAR PART and CYLINDRICAL PIN:
- ZF WG180 (retrofit applications)
- ZF WG200 (limited to early production runs)
- ZF WG190 (all sub-variants)
- ZF WG210 (all sub-variants)
Always verify the routing path against your existing assembly; the hose pipe must not contact sharp edges or rotating components.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses the gear train and supports all hydraulic circuits |
| 4657201027 | HOUS.FRONT SECT | Front section housing for the torque converter and pump |
| 4657201012 | HOUSING REAR PART | Rear section housing for the output shaft and PTO |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | M10 fastener for securing the hose bracket |
| 4656301148 | FIXING PLATE | Retains the hose pipe against the housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for the oil return line |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for the suction line |
| 0636100803 | CAP SCREW | M8 fastener for the filter cover |
| 4681301040 | OIL FEED.HOUSG. | Oil feed tube connecting the pump to the valve body |
Frequently Asked Questions
Q: Can I use a generic rubber hose instead of the ZF 0750.147.236?
A: No. This hose pipe is specifically designed to withstand ATF fluid chemistry and the 35-bar burst pressure of the WG190/WG210 system. A generic hose will swell, soften, and fail within weeks, causing internal contamination.
Q: How do I confirm the hose pipe is the correct length for my WG210?
A: Measure the center-to-center distance between the two banjo fittings on your existing hose. The 0750.147.236 has a 385 mm overall length. If your measurement differs by more than 5 mm, verify your transmission serial number against the ZF parts catalog.
Q: Should I replace the O-rings and crush washers when installing this hose?
A: Yes. Always install new sealing washers on the banjo bolts. Reusing old washers is the leading cause of post-service leaks on this circuit.
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