Mower Blade, 21"

Brand: Oregon

Description: The Oregon® 91-638 lawn mower blade is created to provide consistency and longevity, while delivering a cleaner cut and quality results.

Details: 5/8" Center hole

Enhanced mulching for bagging and discharge efficiency

Stays sharp and durable

Major brand replacement: Scag

Requires 3 blades for 60" cut

OEM Product Models: Scag - SFZ48-19KA|Scag - SFZ48-20FS|Scag - SFZ48-26BS|Scag - SFZ52-20FS|Scag - SFZ61-24FS|Scag - SFZ61-28BS|Scag - SFZ61-30BS|Scag - SFZ52-19KA|Scag - SFZ52-26BS|Scag - SFZ61-730FS|Scag - SMFZ-48|Scag - SMFZ-52|Scag - SMFZ-61|Scag - SM-61V|Scag - SMT-61A|Scag - SMT-61A 31BV|Scag - SMT-61V|Scag - SMT-61V BVAC/BV|Scag - SMT-61V STT-31EFI|Scag - SMT-72V|Scag - SMT-72VS|Scag - SMT-72VS STT 31EFI|Scag - SMTC-48V|Scag - SMWC-52V|Scag - SMWC-61A|Scag - SMWC-61V|Scag - SMZ-61|Scag - SSZ-18CV|Scag - SSZ-20CV|Scag - SSZ-22CV|Scag - SSZ4216BV|Scag - SSZ4816BV|Scag - SSZ4818CV|Scag - STC48V-19KAI|Scag - STC48V-23CV|Scag - STC48V-25CV|Scag - SM-61A|Scag - SM-61E|Scag - STC52V-27CV-SS|Scag - STC61V-23BV|Scag - STC61V-23FX|Scag - STC61V-25CV|Scag - STC61V-26CV-EFI|Scag - STC61V-27BS|Scag - STC61V-27CV|Scag - STC61V-730FX|Scag - STC48V-26BS|Scag - STG-18KH|Scag - STHM-20CV|Scag - STHM-20KH|Scag - SM-61|Scag - STHM-22CH|Scag - STHM-22CV|Scag - STHM-23CV|Scag - STT-28CAT-SS|Scag - STT-29CH-EFI|Scag - STT-31EFI-SS|Scag - STT-35BVAC|Scag - STHM-18KH|Scag - STT-791DFI|Scag - STC52V-25CV|Scag - STT52-22CH|Scag - STT52-25CH|Scag - STT52B-22CH|Scag - STT52B-22KA|Scag - STT52V-27CH|Scag - STT52V-29CH-EFI|Scag - STT61-22CH|Scag - STT61-22KA|Scag - STT61-23CH|Scag - SMT-52A|Scag - STT61-25CH|Scag - STT61A-23CH|Scag - STT61A-23KA|Scag - STT61A-25CH|Scag - STT61A-27CH|Scag - STT61A-27KA|Scag - STT61A-29KA-DFI|Scag - STT61A-31BV|Scag - STT61B-22CH|Scag - STT61B-22KA|Scag - STT61B-25CH|Scag - STT61V-25CH-LP|Scag - STT61V-25KA|Scag - STT61V-25KBD|Scag - STT61V-25KBD-SS|Scag - STT61V-26CH-EFI|Scag - STT61V-26DFI|Scag - STT-35BVAC-SS|Scag - STT52B-25CH|Scag - STT61A-22KA|Scag - STHM-20KH-1001|Scag - STZ-20KH|Scag - SW-17KA|Scag - SW-18BV|Scag - SW-18CVE|Scag - SW32-13KA|Scag - SW36-13KA|Scag - SW36-13KH|Scag - SW48-14KA|Scag - SW48-14KAE|Scag - SW48-14KH|Scag - SW48-16BV|Scag - SW48-17KA|Scag - SWM-61/E|Scag - SWM-61A|Scag - SWM-61V|Scag - SWMU-61A|Scag - SWZ|Scag - SWZ-14KA|Scag - SWZ-16BV|Scag - SWZ-16BVE|Scag - SWZ-17KA|Scag - SWZ-18BV|Scag - SWZ-18FS|Scag - SWZ-20CVE|Scag - SWZ-20FS|Scag - STWC61A-27CV|Scag - SWZ-22FSE|Scag - SWZ-600FS|Scag - SWZ-651FSE|Scag - SWZ36A-14FS|Scag - SWZ36A-16FS|Scag - SM-61B|Scag - SWZ36A-16FS-LE|Scag - SFZ61-27BS|Scag - SWZ48-14KAE|Scag - SWZ48-14KH|Scag - SWZ48-16BV|Scag - SWZ48-17KA|Scag - SWZ48V-15FS|Scag - SWZ48V-18FS|Scag - SWZ48V-18FS-LE|Scag - SWZ48V-541FS|Scag - SWZ52V-18FS|Scag - SWZ52V-20FS|Scag - SWZ52V-600FS|Scag - SWZ36A-481FS|Scag - STT61V-27CH|Scag - SW-16BV|Scag - SW-14KA|Scag - SWZ-21KAE|Scag - SWZ48-14KA|Scag - SVR61V-25FX|Scag - SVR61V-26CV-EFI|Ferris - 1000Z|Ferris - IS2000Z|Ferris - IS3100Z|Ferris - IS4500Z|Ferris - IS5100Z|Ferris - PCM4818K|Ferris - PCM6118K|Ferris - PCM61200|Ferris - PCT4818B|Ferris - PCT6118B|Ferris - PCW6114K|Ferris - R61R|Husqvarna - PZ29CE|Husqvarna - PZ29D|Husqvarna - PZ29FXBF|Husqvarna - PZ34FXBF|Husqvarna - PZ5426FX|Husqvarna - PZ6029D|Husqvarna - PZ6029FX|Husqvarna - PZ6029PFX|Husqvarna - PZ6030CV|Husqvarna - PZ6034FX|Husqvarna - PZ6034FXZT|Husqvarna - PZ7234FX|Husqvarna - PZ29DCE|Massey Ferguson - 3900

OEM Product Parts: Bobcat - 42180B, Dixon - 522829301, Dixon - 522936601, Bobcat - WM142180B, Dixon - 539105711, Ferris - 20842s, Ferris - 5020842, Ferris - 5101755, Ferris - 5101755S, Ferris - 5020842S, Ferris - 5101755YP, Ferris - A48304, Dixon - 574481301, J Thomas - SG-608, John Deere - GDU10232, John Deere - TCU36515, Kees - 101733, Lesco - 50170, Lesco - 5070, Lesco - 60116, Scag - 48111, Scag - 481708, Scag - 481712, Scag - 482787, Scag - 482879, Scag - 482881, Scag - 48304, Snapper - 17081, Snapper - 5103305S, Snapper - 5104045SYP, Snapper - 7017081, Ferris - 5103305S, Dixon - 539109755, Ferris - 5101755BM, Snapper - 7075770BMA, Snapper - 7075770BZ, Snapper - 7075770YP, Snapper - 75770, Gravely - GDU10232, Sunbelt - B1SC3802, Stens - 340-882, Snapper - 7075770, Snapper - 7073396YP, Snapper - 7073396, Ferris - 481712, Ferris - 20842, Bad Boy - 038-6080-00, Bobcat - 112111-03, Bobcat - 112243-03, Bobcat - 72039B, Bunton - 79-117, Bunton - PC005, Bunton - PL4207, Encore - 823006, Ferris - 1520842, Ferris - 1520842S, Ferris - FR5101755, Giant Vac - 0788, Great Dane - D18036, Great Dane - GDU10232, Husqvarna - 522829301, Husqvarna - 522936601, Husqvarna - 539101733, Husqvarna - 539102093, Husqvarna - 539105711, Husqvarna - 539105714, Jacobsen - 112111-03, Lastec - P128, Lastec - P-246, Lastec - P-322, Rotary - 15003, Rotary - 16339, Scag - 481159, Scag - 482001, Scag - A48111, Scag - A48304, Simplicity - 5022808ASM, Simplicity - 5101755BMYP, Simplicity - 5104045SYP, Snapper - 1520842, Snapper - 1-7081, Snapper - 5020842, Snapper - 5101755, Snapper - 5020842ASM, Snapper - 7075770BZYP, Spartan - 438-0002-00, Wright Mfg - 50170, Wright Mfg - 71440003