91-637 Oregon® lawnmower Blade 18" length

91-637 Oregon replacement lawnmower Blade for Snapper lawn mower deck

Compatible fit with OEM: 17037

• 18" length from corner to corner of blades cutting edge (measured diagonal)
• 5/8" center hole
• Width 2.50 inch
• thickness .187
• offset 0" drop - from the center of the blade to bottom of cutter edge
• 1" Lift
• replaces factory blade with same measurements
• Requires 3 blades for 54" cut and 2 blades for 36" cut
• Also compatible fit Replace - 

GC-SFZ, SCZ48V-22FX, SCZ48V-23CV, SCZ48V-25CV, SCZ48V-26BS, SCZ48V-28BS, SCZ48V-691FX, SCZ52V-23FX, SCZ52V-25CV, SCZ52V-25CV-EFI, SCZ52V-26BS, SCZ52V-27CV, SCZ52V-28BS, SCZ52V-730FX, SFW36-16BV, SFZ36-18FS, SFZ48-19KA, SFZ48-20FS, SFZ48-26BS, SFZ48-600FS, SFZ52-19KA, SFZ52-20FS, SFZ52-23FS, SFZ52-25BS, SFZ52-26BS, SFZ52-27BS, SFZ52-600FS, SFZ52-691FS, SFZ61-28BS, SM-52, SMFZ-36, SMFZ-48, SMFZ-52, SMFZ-61, SMT-52A, SMT-52V, SMT-61A, SMT-61A 31BV, SMTC-48V, SMTC-52A, SMVR-36A, SMVR-48V, SMVR-52V, SMWC-52A, SMWC-52V, SMZ-52, SSZ-18CV, SSZ-20CV, SSZ-22CV, STC48V-22FS, STC48V-22FS-LE, STC48V-23CV, STC48V-25CV, STC48V-26BS, STC48V-27BS, STC48V-651FS, STC52A-21KA, STC52A-23KA, STC52A-23LV, STC52A-24HN, STC52V-22FX, STC52V-23BV, STC52V-23KA, STC52V-24FX, STC52V-24HN, STC52V-25CV, STC52V-25CV-EFI, STC52V-27CV, STC52V-691FX, STHM-18KH, STHM-20CV, STHM-20KH, STHM-20KH-1001, STHM-22CH, STHM-22CV, STHM-22CV-40000, STHM-22CV-50001, STT52-22CH, STT52-22KA, STT52-23CH, STT52-25CH, STT52A-22KA, STT52A-23CH, STT52A-23KA, STT52A-25CH, STT52A-27CH, STT52B-22CH, STT52B-22KA, STT52B-25CH, STT52V-25CH-LP, STT52V-26CH-EFI, STT52V-27CH, STT61-22CH, STT61-25CH, STT61B-22CH, STT61B-22KA, STT61B-25CH, STZ52-20KH, SVR36A-15FS, SVR52V-23FX, SVR52V-25CV-EFI, SW-14KA, SW-14KA-10000, SW-14KA-50001, SW-14KH-10000, SW-14KH-50001, SW-16BV, SW-16BV-50001, SW-16BVE-50001, SW-17KA, SW-18BV, SW-18BV-50001, SW-18CVE, SW-18CVE-50001, SW-18KH-10000, SW-20KHE-10000, SW32-13KA, SW32-13KA-50001, SW32-14FS, SW32-15KAI, SW32-16FS, SW32-481FS, SW36-13KA, SW36-13KA-10000, SW36-13KH, SW36-13KH-10000, SW36A-13KA, SW36A-13KH, SW36A-14FS, SW36A-14KA, SW36A-15KA, SW36A-15KH, SW36A-16FS, SW36A-16FS-LE, SW36A-16KAI, SW36A-17KAI, SW36A-481FS, SW48-14KA, SW48-14KA-10000, SW48-14KA-50001, SW48-14KAE, SW48-14KAE-50001, SW48-14KH, SW48-14KH-10000, SW48-14KH-50001, SW48-16BV, SW48-17KA, SW48V-14FS, SW48V-15KH, SW48V-16FS, SW48V-16KAI, SW48V-481FS, SW52A-17KA, SW52A-18HN, SW52A-18KH, SW52V-15FS, SW52V-17KAI, SW52V-18FS, SW52V-18HN, SW52V-18KH, SW52V-541FS, SWM-52A, SWM-52V, SWMU-52A, SWU36-15KH, SWU36A-15KA, SWU48A-17KA, SWU52A-17KA, SWZ, SWZ-14KA, SWZ-14KA-10000, SWZ-14KH, SWZ-14KH-10000, SWZ-16BV, SWZ-16BV-50001, SWZ-16BVE, SWZ-16BVE-50001, SWZ-17KA, SWZ-18BV, SWZ-18BV-50001, SWZ-18KH, SWZ-18KH-10000, SWZ-20CVE, SWZ-20CVE-50001, SWZ-20FS, SWZ-20KHE, SWZ-20KHE-10000, SWZ-21KAE, SWZ-22FSE, SWZ-600FS, SWZ-651FSE, SWZ36-14KA, SWZ36-15KH, SWZ36A-14FS, SWZ36A-14KA, SWZ36A-15KA, SWZ36A-16FS, SWZ36A-16FS-LE, SWZ36A-16KAI, SWZ36A-17KAI, SWZ36A-481FS, SWZ48V-15FS, SWZ48V-17KAI, SWZ48V-18FS, SWZ48V-18FS-LE, SWZ48V-541FS, SWZ52A-17KA, SWZ52A-18HN, SWZ52A-18KH, SWZ52A-19KAI, SWZ52V-17KAI, SWZU36A-15KA, SWZU52A-17KA

 How to measure and match the correct blade see photos.