Spindle Pulley / Murray 91769MA Pack Size:1 MURRAY 91769, MURRAY 91943, MURRAY 91769MA, MURRAY 91943MA BYNORM 090-156, BYNORM 090-155, EDGEWATER 505605, ESF 165-357, FOLEY/BELSAW 5979845, FOLEY/PLP 165-357, OREGON 44-341, ROTARY 7417, SUNBELT MU-53, SUNBELT B1MU53 Murray 36" and 38" deck Jackshaft pulley , For splined shaft model , Made by an OEM supplier , OD: 5 1/4 ", ID: 5/8 " SPLINED