91-539 Oregon 21 In. Mulching Blade Replaces Grasshopper Confirmed NLA 2026 17210-ZE2-822

17210-ZE2-822

143434522 Engine

FH580V-AS13 (FH580V) 4 Stroke Engine

10D912-0137-B1 Engine

91-539 Oregon 21 In. Mulching Blade Replaces Grasshopper Confirmed NLA 2026 17210-ZE2-82291 539 Oregon 21 In. Mulching Blade Replaces Grasshopper The Oregon 91 539 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 3 blades for 61" cut Requires 2 blades for 41" cut Superior mulching for bagging and discharge efficiency Enhanced hardening to keep the