Oregon Mower Blade, 22-5/16" - 91-591

The Oregon® 91-591 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: 1/2"
• Requires 5 blades for 90" cut
• Requires 7 blades for 124" cut
• High-lift: The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge.
• Superior mulching for bagging and discharge efficiency
• Enhanced hardening to keep the blade sharper and more durable
• Fits Jacobsen models: AR-5
• AR-522, and AR-722T

Replaces OEM Parts

• Artsway & Rotech - 66102
• Jacobsen - 4163105
• Jacobsen - 4163106
• Jacobsen - 4137186
• Jacobsen - 4124087
• Jacobsen - AR5
• Jacobsen - AR522
• Stens - 345-453
• Toro - 114-0434-03

Fits Models

• Jacobsen - AR-5
• Jacobsen - AR-522
• Jacobsen - AR-722T
• Jacobsen - AR5

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: 91-591