ZF 0501.209.068 HOSE PIPE for WG250/WG260 | OEM Genuine Part

Overview

The ZF 0501.209.068 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 250 and WG 260 transmission series. This OEM genuine part serves as the primary conduit for pressurized hydraulic oil between the valve body and the clutch pack assembly, ensuring precise lubrication and cooling within the gear train. Constructed from reinforced synthetic rubber with a braided textile core, the hose pipe maintains structural integrity under extreme thermal cycling and high-pressure surges. The SKU 0501.209.068 is a direct replacement for the original factory-installed line, guaranteeing a perfect seal and flow rate without modification.

Symptoms of Failure

When the ZF 0501.209.068 HOSE PIPE degrades, operators often notice external oil seepage near the transmission bell housing or along the hose body, typically caused by micro-cracks in the rubber jacket. A second common failure is erratic gear engagement or delayed shifting, as reduced hydraulic pressure from a leaking hose prevents proper clutch piston actuation. You may also detect transmission overheating due to insufficient oil flow to the cooler circuit, leading to burnt fluid odor. Finally, audible whining or cavitation noise from the pump indicates air ingestion through a compromised hose, which accelerates internal wear.

Technical Specifications

Compatibility

This hose pipe is a factory-fit component for the ZF WG 250 and WG 260 series powershift transmissions, commonly found in heavy-duty wheel loaders and graders. It also serves the WG 180, WG 200, and WG 210 models where the hydraulic routing is identical. For installations involving the TRANSMISSION HOUSING (4646101028), this hose connects directly to the internal gallery ports. When replacing the hose, always inspect the HOUSING (4646301095) for corrosion at the mating face. Secure the assembly using the HEXAGON SCREW (0636015304) and verify the COVER (4646301087) gasket is not pinched during reinstallation.

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“text”: “Look for visible oil drips near the transmission bell housing, delayed gear engagement, or a burnt smell from the transmission fluid. A pressure test showing below-spec readings at the clutch ports also confirms hose degradation.”
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