SPECIFICATIONS for Replacement Motor for your electric RV steps: Part Numbers 379147, 369506, 1820124, 214-1001, 1101428, 366043 Motor provides power to extend and retract your steps Automatic shut-down feature retracts steps if they strike an obstacle during extension Simple installation into linkage Mounting hardware included Dimensions: 7" long x 3-7/8" wide x 2" tall Voltage: 12V