ZF 6057.018.863 EST 37 A for WG210 | OEM Genuine Part

Overview

The ZF 6057.018.863 EST 37 A is a critical electro-hydraulic control unit specifically designed for the WG 210 Series transmission. This genuine OEM part functions as the primary shift modulator, managing hydraulic pressure to engage and disengage clutches within the planetary gearset. Positioned directly on the valve body assembly, the EST 37 A ensures precise gear selection and smooth power delivery under heavy-duty operating conditions. The SKU 6057.018.863 is a direct replacement for factory-installed units, guaranteeing exact fitment and original ZF performance standards.

Symptoms of Failure

When the ZF 6057.018.863 EST 37 A begins to degrade, operators often notice delayed or harsh shifting between gears, particularly during acceleration from a stop. Another common indicator is intermittent loss of forward or reverse drive without warning, which can leave equipment stranded. Technicians frequently report erratic solenoid response codes in diagnostic systems, pointing directly to this control unit. Additionally, internal hydraulic pressure fluctuations may cause the transmission to slip under load, reducing torque output and fuel efficiency.

Technical Specifications

Compatibility

This genuine ZF 6057.018.863 EST 37 A is engineered for the WG 210 Series transmission family. It is also compatible with the WG180, WG200, and WG250 models when used in similar hydraulic control configurations. The unit integrates directly with the 4657101082: TRANSMISSION HOUSING and mounts between the 4657201166: HOUS.FRONT SECT and the 4657201170: HOUSING REAR PART. For complete assembly, the 4657298102: HOUSING REAR SECTION must also be properly aligned to avoid hydraulic cross-leaks.

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