Oregon Mower Blade, 21" - 91-537

The Oregon® 91-537 replacement lawn mower blade is 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.

• Center hole: 21"
• Requires 3 blades for 60" cut
• High-lift: The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge
• Stays sharp and durable for longer
• Fits Bush Hog models: ATH
• FTH

Replaces OEM Parts

• Bush Hog - 88668
• Grasshopper - 320242
• Grasshopper - 320243
• Grasshopper - 320245
• Grasshopper - 320245B
• Grasshopper - 320247
• Grasshopper - 320244
• Grasshopper - 70134
• Woods - 72517KT
• Grasshopper - 320246
• Woods - 70134
• Woods - 70134KT
• Woods - 70142KT
• Grasshopper - 320322
• Stens - 320-702
• Rotary - 3424
• Rotary - 15-3424

Fits Models

• Bush Hog - ATH
• Bush Hog - FTH
• Bush Hog - FTH720
• Bush Hog - FTH600
• Bush Hog - ATH720
• Bush Hog - ATH600

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

Oregon part number: 91-537