DESCRIPTION Aftermarket Qty 9: Notched Air-Lift Blade. Tech Info: -Length: 18″ -Center Hole: 5/8″ -Width: 2-1/2″ -Thickness: 0.203″. Fits Great Dane: Replaces Part Number(s): D18037, GDU10231. Fits Husqvarna: Replaces Part Number(s): 539100341. Fits Snapper: Replaces Part Number(s): 100341, 101485, 12111-02, 1-7037, 1-7344, 32022A, 32022HD, 363055, 7017037, 7075751, 7075751BMA, 7075751BZ, 7075751BZYP, 7076450, 7077344, 75751, 7-6450, 7-7344. […]