W10178988CM Washer Rotor Position Sensor Replaces: WPW10178988 5221ER1003A and SD mean on Whirlpool

and SD mean on Whirlpool Duet and Maytag washers

1/4" compression inlet- 1/4" push connect outlet

Zoppas #TS4W8221

Whenever the dryer belt breaks

you should read continuity between C and NO

W10178988CM Washer Rotor Position Sensor Replaces: WPW10178988 5221ER1003A and SD mean on WhirlpoolW10178988CM Washer Rotor Position Sensor Description: This washer Rotor Position Sensor is a high quality replacement part designed to restore the optimal performance of specific washer models. The rotor position sensor plays a vital role in ensuring proper motor control and synchronization with the washing machine's functions. It helps the machine determine the appropriate speed and timing for the motor, ensuring efficient and effective operation.