Oregon® replacement lawn mower blades are made to the exact OEM specification for optimum performance. Our blades are individually straightened and hardened to provide a consistent, cleaner cut and increase blade longevity.

• 5 point star center hole
• Requires 3 blades for 48"
• X-Tended Cutting Length optimizes the cutting efficiency with each revolution
• Enhanced mulching for bagging and discharge efficiency
• Stays sharp and durable for longer
• Fits various AYP models

WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

This part fits:Ariens - 21547257, Ariens - 21547939, Arnold - 490-110-0039, AYP - 173920, Arnold - 490-110-0148, AYP - 512258301, AYP - 532173921, AYP - 532180054, AYP - 532173920, AYP - 917173920, AYP - 917532173920, AYP - 917532173921, AYP - 917532180054, AYP - 917539107519, AYP - 917577203106, AYP - 954633774, AYP - 954633781, Craftsman - 173920, Craftsman - 173921, Craftsman - 180054, Dixon - 532180054, Husqvarna - 173921, Husqvarna - 532173921, Husqvarna - 917532173921, Mowmore - SE10377, Murray - 180054, Poulan - 532173921, Poulan - 532180054, Poulan - 539107519, Poulan - 575938201, Poulan - 575938301, Rotary - 10377, Stens - 340-091, Sunbelt - B1EP1040, Tractor Supply - 4442254, AYP - 539107519, AYP - 180054, AYP - 173921, AYP - 575938201, AYP - 575938301