Ruixing carburetor ride-on mower lawn mower engine BRIGGS and STRATTON models: vertical AVS - OHV from 14 to 19 HP models 31A - 31B - 31G etc after code 1610300 Weight: 422 g Code: 30271117 - 350590 Original code: 594605 594605 594603 591734 792768 790023 796110