Oregon 91-539 Mower Blade, 21" Compatible w/ Grasshopper NetSuite-ID_532609 High quality replacement air filter

High quality replacement air filter used on select Kohler engines

Reduce the noise output of your Honda mower with the Oregon 35-038 muffler that includes a shield

Compatible with up to 10% Ethanol blend fuels

This premium engine to Pulley belt fits variable speed 500 series mowers (1982-1998)

Oregon 91-539 Mower Blade, 21" Compatible w/ Grasshopper NetSuite-ID_532609 High quality replacement air filterThe 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. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.