Ayp/Craftsman/Sears Zerk Grease Fitting No. 1704314SM. This is an original equipment grease fitting for the spindle. 1/4" Replaces part number 1704314 and 1704314SM
AYP/Sears/Craftsman Left Side Spindle Assembly No. 538691301. This is a true OEM Spindle Assembly. Replaces part numbers 596873601, 403087 and 532403087.
Husqvarna Spindle Shaft No. 597023501. This is an origional Husqvarna spindle shaft that includes the lower bearing. Replace part number 532 18 72 91 and 532-18-72-91.
AYP/Sears/Craftsman Lawnmower Spindle Shaft Assembly No. 532137646. Fits 36", 38" &42" ventilated decks, star blade mount. OD: 3/4". Shaft length: 7". Made by an OEM supplier. Replaces part number 137646