Oregon 90-621 Mulching Mower Blade, Universal 20-7/8"The Oregon 90 621 Blades for lawn mowers are created to provide consistency and longevity, while delivering a cleaner cut and 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 correct replacement. 3 8" center hole Superior mulching for bagging and discharge efficiency Enhanced

Replaces Zama RB-59

This is a replacement Cover for an Oregon Speed Feed 4-1/2" trimmer head (55-265)

Fits Many HM80-HM100 Engines

Tungsten carbide is fused into the blade creating an ultra-hard layer at the cutting edge and increasing the time between sharpening

External ground includes spade converters

Replaces Troy Bilt 1128-1

BELT MTD-3/8 X 30 Many parts look similar

This Oregon tire is 410/350-4

It replaces the 954-04093 model

Use with Oregon 55-017

Fits C1M-S141

Cut brambles and undergrowth as well as tall grass and weeds