ALUMINIUM HUB BOTTOM SUPPORT FOR 36", 38", 42" INCH COUPLER CUTTER HEADS HEIGHT: 139.8 mm Height to top edge: 139.8 mm Height to flange: 41.3 mm Part No.: 22-871 6500746 Original part number reference: 532 12 87-74 532128774 532 12 87 74 128774 61090042009 HUSQVARNA PARTNER AYP JONSERED VIKING SM