Notched Air-lift mower blade. Copperhead. 18" x 2-1/2" x 5/8" Center hole. Order (2) blades for 36" cut and (3) for 52" cut. Part# SC18. Refer to owner's manual to match OEM part #. 

Replaces OEM#'s: 

• ARIENS & GRAVELY: D18037, GDU10231, 00273100, 00450300, 03253800, 04916400, 03253800, 03399704, 04916400, 04917900, 3253800, 3399704
• BAD BOY: 038300000, 038-3000-00, 038-5202-00,
• BOBCAT: WM132022, 32022, 32022HD, 112111-02, 12111-02, 2722543-02, 32022A, 32022HD, WM132022
• BUNTON: 6294, P2005, PL4206
• ENCORE: 363046, 363291, 481707, 482306, 482462
• EXMARK: 103-1578, 103-1578-S, 103-2508, 103-2518, 103-2518-S, 103-2528, 103283, 103-5218-S, 103-6337-S, 103-6580, 103-6580-S, 103-6582, 103-6582-B, 103-6582-M, 103-6582-S, 103-6584, 103-6584-B, 103-6584-M, 103-6584-S, 116-5176, 116-5176-S, 1-303146, 1-303283, 1-303439, 1-303495, 1-303527, 1-633482, 1-633484, 1-633485, 303283, 303495, 303527, 633482, 633484, 633485, E633482, E633485
• FERRIS: A48185, 1521227, 17037, 17344, 100341, 101485, 1521227, 21227S, 32022, 32022HD, 363046, 363291, 481707, 481711, 482306, 5021227, 5021227S, 5021227X2, 5101756, 5101756SYP, 1521227S, 5021227, 5021227X2, 5101756, 5101756S, A48185, FR5101756
• GREAT DANE: D18037, GDU10231
• HUSQVARNA: 539100341, 539101485, 539105712, 539118413
• JACOBSEN: PT8721, TCU37208 
• JOHN DEERE: 390655, AM104490, PT8721, TCU29188, TCU34280, TCU35393, TCU37208
• KEES: 100341, 101485, 363055, 363245, PL4206
• LESCO & WRIGHT: 013826, 050125, 050140, 050241, 363055, 51025, 50140, 1-633482, 1-633484, 1-633485, 633482, 633484, 633485, 71440001
• ROTARY: 3404
• SCAG: A48108, 48108, A48185, 48185, 481707, 481711, 482306, 482462, 482878, 482879, 482961
• SIMPLICITY: 1756152AYP, 1756152SYP, 5101756, 5101756S, 5101756SYP
• SNAPPER/KEES/YAZOO: A48185, 1521227, 21227S, 32022, 32022HD, 363055, 363291, 5021227, 5021227S, 5101756, 5101756SYP, 7017037, 7075751, 7075751B, 7076450, 7077344, 75751, 76450, 77344
• STENS: 340-158
• SUNBELT/A&I: B1SC2801
• TORO: 103-2508, 103-2518, 103-2528, 103-6580-S, 105-7779-03, 105-7781, 105-7781-03, 108-1117, 110-0408, 110-0409, 133-2134, 1-633482, 1-633485
• WINDSOR: 50-2148, 50-2295, 50-4215
• WRIGHT MFG: 50125, 71440001, 71440005, 71440009, PL4206
• WORLDLAWN: 363291, 823004

Fits Models:

• AYP: Requires 3 for 52" deck
• Bobcat: Requires 2 for 36" deck; 3 for 54" deck
• Encore: HydroPro and Premier Pro Series walk-behinds, Pro-Line Rider, Prowler Mid-Cut, X-Treme and Z-Series; Requires 2 for 36" deck; 3 for 52" deck
• Exmark: Requires 2 for 36" deck; 3 for 52" deck
• Great Dane: Requires 2 for 36" deck; 3 for 52" deck
• Husqvarna: Requires 2 for 36" deck; 3 for 52" deck
• John Deere: Requires 2 for 36" deck; 3 for 52" deck
• Kees: Requires 2 for 36" deck; 3 for 52" deck
• Lesco: Requires 2 for 36" deck; 3 for 52" deck
• Scag: Tiger Cub, Turf Tiger and Wildcat; Requires 2 for 36" deck; 3 for 52" deck
• Toro: Requires 2 for 36" deck; 3 for 52" deck
• Wright Mfg.: Requires 2 for 36" deck; 3 for 52" deck
  

Specs:

• Length 18"
• Width 2-1/2"
• CH Diameter 5/8"
• Cut Direction: Right
• Thickness 0.2040"