Description RE 505 Series Impro7/8" 13 tooth shaft 232 cm³/rev [14.2 in³/rev]6-Hole SAE A MountThis motor will work in the place of 500230A5101AAAAA, 500230A3101AAAAA or 500230A5101ZAAAA Genuine White/Impro 505230A5101AAAAA