594605 Carburetor Fits for B&S 31M977 31N607 31N677 31P607 31P677 31P977 31Q677 31R907 lawn mower Replaces for Ruixing 591734 594603 790023 794294 796078 796110 with spark plug filters. Compatible with B&S lawn mower models: 215807, 217807, 21B707, 21B807, 21B877, 21B906, 21B907, 21B972, 21B976, 21B977, 31M977, 31N607, 31N677, 31P607, 31P677, 31P977, 31Q677, 31R907, 31R975, 31R976, 31R977, 31S977, 331707, 331777, 331807, 331877, 331977.
