Oregon 91-050 Mower Blade, 20-1/2" Compatible w/ Swisher 9037 NetSuite-ID_567670 This flat idler Pulley has

This flat idler Pulley has an outer diameter of 3-1/8" and replaces MTD

5/16" Left hand thread

Fits Bush Hog and Grasshopper models

Use on Oregon 45-133 and 45-119

This economy version of lawn mower Blade grinder features a 1/3 HP

Oregon 91-050 Mower Blade, 20-1/2" Compatible w/ Swisher 9037 NetSuite-ID_567670 This flat idler Pulley hasThe Oregon 91 050 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.