PREMIUM REPLACEMENT PARTWe strongly suggest comparing the posted picture to your faulty unit!MOWER DECK BLADE 2 UNITSBLADE SPEC:Width 2.6″Length 21-3/8″ Center Hole 7 Point Star”BLADE PART NUMBERS:GX22151 GY20850 AM13733350401780 AM137328 AM141033AM141034 AM141032 AM137327 M154061 M154060 FITS ON JOHN DEERES240 – Lawn Tractors (49 States) -PC12357S240 – Lawn Tractors (California) -PC12357X145 Tractor -PC10450 X145 Tractor 44-IN 2-Stage Snowblower -PC10450 X145 Tractor Material Collection System -PC10450X300 Tractor Select Series (Less Deck) -PC9519X300 Tractor Select Series (With 38C -IN Mower Deck) -PC9519 X300 Tractor Select Series (With 42C -IN/48-IN Mower Deck) -PC9519 X300 Tractor Select Series (With 42C-IN Mulching Mower Deck) -PC9519 X300 Tractor Select Series 44 Front Blade (Not Shown) -PC9519 X300 Tractor Select Series 44 Snowblower -PC9519 X300 Tractor Select Series Less Deck (California) -PC9519X304 Tractor Select Series (With 42-IN Mower Deck) -PC9520X304 Tractor Select Se