This is a Shave plate set that fits 22" auger assembly. The last set of 4 numbers (example 784-5576-0637) 0637 is a black paint code, so as long as the 784-5576 matches this is the part you need. Fits model years 1992 and forward.
MTD 26" Snow Thrower Wear Shave Plate 790-00121 784-5579A 2 Skid Shoes Hardware
Snow Blower Scraper / Shave Plate For MTD/Yardman/Fits Cub Cadet 731-1033 931-10
Arnold OEM-784-5580 MTD Parts Snow Thrower Slide Shoes, 1 Pack, Black, New A5
Craftsman MTD 22" Snow Blower Auger Gearbox Assembly 918-04292C 31A-3CAD729
Scraper Bars Fit MTD 731-1033 931-1033 174 180 Snow Blower Thrower Shave Plate