ZF 4166.035.173 CONVERTER Torque Converter Assembly | Complete Unit

Overview

The ZF 4166.035.173 CONVERTER Torque Converter Assembly is a critical hydraulic component that transfers engine torque to the transmission input shaft within the WG 200 Series gearbox. This complete unit, identified by SKU 4166.035.173, sits between the engine flywheel and the transmission pump, utilizing a lock-up clutch to eliminate slip at highway speeds. As a direct replacement assembly, it ensures proper fluid coupling and power multiplication for heavy-duty industrial applications. When replacing this unit, technicians often inspect the 4644105424 DISCONNECTION mechanism to ensure seamless integration with the driveline.

Symptoms of Failure

• Shuddering during acceleration: A worn torque converter fails to maintain smooth fluid coupling, causing vibration when the vehicle moves from a stop. This is a common search query for “ZF torque converter shudder fix.”
• Transmission overheating: Internal stator clutch failure generates excessive heat, often flagged as “WG200 transmission running hot” in service logs.
• Delayed engagement or gear slipping: When the converter fails to build adequate hydraulic pressure, operators experience hesitation when shifting from neutral to drive, matching queries like “torque converter slipping symptoms ZF.”
• Contaminated transmission fluid: Worn needle bearings shed metallic debris into the oil, visible as glitter in the fluid, often linked to “torque converter debris in transmission pan.”

Technical Specifications

Compatibility

This torque converter assembly is engineered for the ZF WG 200 Series transmission family, including models WG180, WG200, and WG210. It is also compatible with select WG 150 variants that share the same bellhousing pattern. The unit directly replaces OEM part 4166.035.173 and requires proper alignment with the 4644303538 OUTPUT FLANGE during installation. For secure mounting, always use a new 0636021036 HEXAGON SCREW set to meet factory torque specifications. Additionally, verify the condition of the 4644101224 TRANSMISSION HOUSING for cracks or wear before reassembly.

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