Oregon 90-309 Mower Blade, 21-5/8" Compatible w/ John Deere M143504 NetSuite-ID_600335 The aggressive blade angle increases

The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge

This premium belt is for hydro transmission to power a Hydraulicic motor for riding mowers

Provides better balance on smaller saws

Micro Chisel cutters have small-radius working corners for excellent performance and easier maintenance

Oregon 90-309 Mower Blade, 21-5/8" Compatible w/ John Deere M143504 NetSuite-ID_600335 The aggressive blade angle increasesYou can count on the Oregon 90 309 replacement lawn mower Blade to be the best in the industry. Our 26 quality standards ensure that you're buying a sharp, high performance Blade that mounts properly and it delivers a clean cut for quality results. 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