BLADE SPINDLE SHAFT WITH BEARING, GRASS SHIELD, AND GREASE ZERKTHIS IS AN AFTERMARKET PART AND NOT AN O.E.M.Here are the part numbers this part replaces:AYP/SEARS/CRAFTSMAN/YARD PRO/ POULAN/ YARD MACHINE & MORE187291187292192872HUSQVARNA532 18 72-91 532 19 28-72Also replaces the 192872 shaft without grease zerk. Fits 38" & 42" decks.