Blade Dimensions ------ Blade Length: 16-3/4 inches, Width: 2-1/2 inches, Thickness: 1/5 inches, Center Hole: 5 Point Star. Package Includes: 3 x 173920 Blades Replace Part Numbers ------ The high lift blades replaces Ariens 21547939; AYP 173920, 180054, 512258301, 532180054, 539107519, 575938201, 575938301, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 954633774 Replace Part Numbers ------ The high lift blades replaces Craftsman 24679, 173921, CMXGZAM110149; Husqvarna 532173920, 532180054; Poulan 532180054, 539107519, 575938201, 575938301, PP24005, PP24006 Compatibility ------ Compatible with Husqvarna: GTH250, GTH264T, GTH2248XPA, GTH2448T, YTA24V48, YTH1848XP, YTH1848XPF, YTH2148, YTH2248, YTH2248A, YTH2248B, YTH2348, YTH23K48, YTH23V48, YTH2448, YTH2448T, YTH24V48, YTH24K48, YTH2548; Poulan: PB20VA48, PB23H48LGT, PB23H48YT, PP22V48, PPLGT2248; Craftsman: CMXGZAM110149; for Ariens, AYP, Sears, Poulan Pro, Redmax, Gravely, Roper, Weedeater 48 inch deck lawn tractors Premium Quality ------ The lawn mower blades are made of high quality steel, heat-treated for strength and resistance, which extended longevity of the blade. The sharp blade allows you to cut effortlessly and consistently.
48" Deck Replacement Lawn Mower High Lift Blades for 180054 532180054 173920 532173920 539107519 PP24005 - Compatible with Husqvarna YTH2348 YTH24V48 Poulan PP22V48 Lawn Tractor - 3 Pack

Features
Length: 16-3/4 inches
Width: 2-1/2 inches
Thickness: 1/5 inches,
Center Hole: 5 Point Star
Package Includes: 3 x 173920 Blades

Replaces OEM Part Numbers:
Ariens: 21547939
AYP: 173920, 180054, 512258301, 532180054, 539107519, 575938201, 575938301, 917173920, 917532173920, 917532180054, 917539107519, 917577203106, 954633774
Craftsman: 24679, 173921, CMXGZAM110149
Husqvarna: 532173920, 532180054
Poulan: 532180054, 539107519, 575938201, 575938301, PP24005, PP24006

Fits Models
Husqvarna: GTH250, GTH264T, GTH2248XPA, GTH2448T, YTA24V48,
YTH1848XP, YTH1848XPF, YTH2148, YTH2248, YTH2248A, YTH2248B,
YTH2348, YTH23K48, YTH23V48, YTH2448, YTH2448T, YTH24V48,
YTH24K48, YTH2548

Poulan: PB20VA48, PB23H48LGT, PB23H48YT, PP22V48, PPLGT2248

Craftsman: CMXGZAM110149

for Ariens, AYP, Sears, Poulan Pro, Redmax, Gravely, Roper, Weedeater 48 inch deck lawn tractors

-NOTE
Please check the model and center hole shape of your original blade before purchasing.