497314 497347 497586 Carburetor for Briggs & Stratton Vertical Shaft 120 121 122 12E and 12T Series w/ a Primer SystemCategory: 121 SeriesOne Brand New Aftermarket Replacement Carburetor. Made to Fit: Briggs & Stratton Models: Vertical shaft 120, 121, 122, 12E and 12T series with a primer system. Not compatible with greater than 10% ethanol fuel. Replaces Part Numbers: 497314, 497347, 497586Replaces Part Numbers: 497314, 497347, 497586-Comes with Seal and Gasket-Replaces Part Number: 497314, 497347, 497586