MaxPower 12883 Spindle Assembly Replaces Cub Cadet 618-0324, 618-0324A, 618-04197, 618-0427A, 618-0427A, 618-0427C, 917-04197A, 918-0324 and Many More Replaces Cub Cadet 618-0427C, 918-0427C Fits models 1170, 1600, 1800 and RZT mowers with 42'' decks using star hole blades Uses Cub Cadet 756-1188 & 618-0324, 918-04197, 618-04197 5-9/16'' pulley This does not fit ALL 42" decks. There are several different spindles for 42" decks. Please verify your OEM replacement number prior to ordering