Carburetor ride-on mower lawn mower engine COMPATIBLE BRIGGS and STRATTON QUANTUM COMPATIBLE FOR THE FOLLOWING VEHICLES : Models 120H00, 120K00, 121K00, 122H00, 122K00, 122T00, 123K00, 124K00, 124L00, 124T00, 125K00, 126L00, 126M00, 126T00, 127700, 127800, 1288 800, 129800, 129H00, 12A800, 12J900, 12B800, 12C800, 12E800, 12F700, 12F800, 12G700, 12G800, 12H800, 12J700, 12J800, 12M800, 12Q800, 12T800 Code: 30270724 Original code: 499059 BRIGGS and STRATTON