ZF 4642.121.093 OIL PIPE for WG150 | OEM Genuine Part

Overview

The ZF 4642.121.093 OIL PIPE is a precision-engineered fluid conduit designed for the WG 150 series transmission. This OEM genuine part ensures consistent lubrication and hydraulic pressure delivery within the valve body and rotating clutch assemblies. By channeling ATF to critical bearing surfaces and gear sets, the 4642.121.093 OIL PIPE maintains thermal stability and reduces friction-related wear. As an integral component of the lubrication circuit, this pipe works in conjunction with the 4642101109: TRANSMISSION HOUSING to create a sealed oil gallery. The SKU 4642.121.093 is manufactured to ZF’s original tolerances, ensuring a direct fit without modification.

Symptoms of Failure

• Low hydraulic pressure and delayed engagement: A cracked or clogged 4642.121.093 OIL PIPE restricts fluid flow, causing hesitation when shifting from neutral to drive or reverse.
• Visible oil seepage near the bell housing: Deteriorated pipe seals or stress fractures lead to ATF leaks, often mistaken for a failing 4642301205: TRANSMISSION HOUSING gasket.
• Gear slipping under load: Insufficient lubrication from a damaged oil pipe causes clutch pack overheating, resulting in erratic gear holding during acceleration.
• Contaminated transmission fluid: Internal pipe degradation introduces metallic debris into the oil circuit, accelerating wear on the 0631311009: GROOVED STUD and valve body components.

Technical Specifications

Compatibility

This OIL PIPE is primarily validated for the ZF WG 150 series, including WG150, WG150A, and WG150B variants. It also fits select WG180 and WG200 models where the lubrication gallery layout matches the 4642.121.093 design. For WG200 applications, verify the 0730365125: TYPE PLATE to confirm transmission revision level. The pipe is not compatible with WG120 or older Ecomat series without adapter fittings. Always cross-reference the part number against your transmission’s serial number before installation.

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