AYP original part.  Fits 36", 38" & 42" ventilated decks with 5-point star-shaped center hole blades.  Use with #252-0641 Housing.  Double hex spline pulley.  Includes top and bottom bearing and lock nut.
Replaces AYP #(s) 128285, 133172, 137641, 137645, 137646, 137646CS, 137646MS, 532128285, 532133172, 532137641, 532137645, 532137646.
                        
                        
•OD: 3/4"
•Length:  7"
•Thread Size: 3/4"
•Weight: 1.50 lbs