ZF 4661.185.040 ACCESSORIES for WG94 | OEM Genuine Part

Overview

The ZF 4661.185.040 ACCESSORIES for WG94 is a critical OEM genuine component designed to support the auxiliary systems within the WG 94 Series transmission housing. This part functions as a mounting bracket or adapter element, ensuring secure alignment of hydraulic control modules and sensor assemblies inside the transmission casing. The SKU 4661.185.040 is precision-machined to ZF’s factory tolerances, preventing vibration-induced misalignment that can compromise shift quality. When paired with the 4661101036 HOUSING and the 4661301094 HOUSING, this accessory forms the structural backbone for the valve body assembly in WG94 transmissions.

Symptoms of Failure

• Erratic gear engagement under load: A worn 4661.185.040 accessory can cause the control module to shift position, leading to delayed or harsh gear changes during acceleration.
• Transmission fluid seepage at the housing interface: Cracks or deformation in this part create gaps where ATF leaks past the 0631306174 CYLINDRICAL PIN, resulting in visible drips under the vehicle.
• Intermittent loss of reverse gear: When this accessory fails, the hydraulic circuit for reverse may lose pressure, causing the transmission to default to neutral.
• Increased drivetrain noise from loose components: A degraded part allows the 0769123894 TYPE PLATE to rattle against the housing, producing a metallic clatter during idle.

Technical Specifications

Compatibility

This OEM genuine part is engineered for the ZF WG 94 Series, specifically the WG94, WG120, WG150, WG180, and WG200 transmission models. It is also compatible with select ZF Ecomat 4HP and 5HP variants that share the WG94 housing architecture. Always verify the 0631306174 CYLINDRICAL PIN alignment before installation to ensure proper fitment with the 4661101036 HOUSING.

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