CompatibilityDirectly fit for Lippert Kwikee Electric Steps Series 22, 23, 26, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42 and 47. Replaced on the "IMGL" step units that manufactured from 2006 to present. (Please check your model and part number carefully before ordering to ensure compatibility). Replace Part NumberReplace Part# 909510000, 379146, 47-0450, 14-379146. (Note: The color of the product is divided into black and white, random packaging delivery, does not affect the normal use of the product! ) FeatureRestore the functionality of the RV step, extending the step when you open the door and retracting it when you close it. OEM StandardThis RV stair entry step control unit can provide excellent performance and long service life. All cables and original connectors can be perfectly fitted to ensure safe and stable installation and control.