Oregon 792-031 Mower Blade, 20-1/2" Compatible w/ Exmark 103-6403-SOregon replacement lawn mower Blades are made to the exact OEM specification for optimum performance. Our Blades are individually straightened and hardened to provide a consistent, clean 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. 15 16"

It replaces Murray 037X73MA and 037X73

Fits 1/4" fuel line

Fits many Exmark Lazer Z series models

Use with Oregon 55-989

Length: 6-5/16"

Gator Mulching feature provides efficiency in normal or abrasive conditions

Replaces MTD

Height: 2-1/2"

Oregon Gator G3 lawn mower Blades offer superior mulching

Designed to maximize every cut

or mower Blades

Simplicity