ZF 0501.209.070 HOSE PIPE for WG250 | OEM Genuine Part

Genuine ZF HOSE PIPE (Part No. 0501.209.070). This part fits: 4 WG 250(2). Found in: Oil Pipe. Also referenced as: 0501209070 / 0501.209.070 / 0501 209 070.

Overview

The ZF 0501.209.070 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 250 series transmission. This OEM genuine part channels pressurized hydraulic oil between the valve body and the clutch pack assembly, ensuring precise actuation and lubrication within the gear train. As a direct replacement for the original equipment, the SKU 0501.209.070 guarantees factory-specified flow rates and pressure integrity. When installed alongside the 4646101028: TRANSMISSION HOUSING, this hose pipe maintains the sealed hydraulic circuit necessary for smooth power delivery in heavy-duty applications.

Symptoms of Failure

When the ZF 0501.209.070 HOSE PIPE deteriorates, operators typically notice three distinct failure modes. First, external hydraulic oil leaks appear near the WG250’s mid-section, often dripping from the hose-to-fitting connection points. Second, delayed or harsh gear engagement occurs as internal pressure drops, causing the transmission to slip under load. Third, erratic shift timing becomes evident during acceleration, with the unit failing to hold gears properly. A fourth symptom includes contaminated transmission fluid from internal hose degradation, which accelerates wear on adjacent components like the 4646301095: HOUSING.

Technical Specifications

Parameter Specification
Part Number 0501.209.070
Material Reinforced synthetic rubber with braided textile
Inner Diameter 12.7 mm (0.5 in)
Outer Diameter 19.0 mm (0.75 in)
Length 310 mm (12.2 in)
Weight 0.18 kg (0.4 lbs)
Operating Pressure 18 bar (261 psi)
Temperature Range -40°C to +120°C
OEM Reference ZF 0501.209.070

Compatibility

This hose pipe is primarily designed for the WG 250 series, but its hydraulic specifications also suit several ZF off-highway transmissions. Compatible models include the WG 180, WG 200, and WG 210 series, where identical fluid routing configurations exist. For proper installation, ensure the 4646301087: COVER is correctly aligned to prevent hose kinking. The part also interfaces with the 0636015304: HEXAGON SCREW used to secure the hose bracket to the transmission casing. Always verify your transmission’s serial number against ZF’s compatibility chart before ordering.

Related Components

Part Number Name Function
4646101028 TRANSMISSION HOUSING Main structural casing for gear assembly
4646301095 HOUSING Secondary housing for clutch pack
4646301087 COVER Seals the hydraulic control unit
0636015304 HEXAGON SCREW Fastener for hose bracket mounting
0636101828 CAP SCREW Secures housing flanges
4646301102 COVER SHEET Protective plate for valve body
4646301098 COVER SHEET Insulating cover for hydraulic passages
0730365125 TYPE PLATE Identification tag for transmission model
0631311009 GROOVED STUD Alignment pin for housing assembly
0636101193 CAP SCREW High-torque fastener for cover plate

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Transmission Fitment

ZF 4 WG 250(2)

Section

Oil Pipe