Oregon 90-621 Mulching Mower Blade, Universal 20-7/8" NetSuite-ID_531795 The shut-off valve works with

The shut-off valve works with 1/4" inch fuel line

Fits MTD and Cub Cadet model 138AQ91 with 50" deck (2012)

Gator Mulcher® provides cleaner

Loop construction kit

You never think about the little parts until they break

Oregon 90-621 Mulching Mower Blade, Universal 20-7/8" NetSuite-ID_531795 The shut-off valve works withThe 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