HIPA 751-14840 951-14840 Carburetor with 2 Primer Bulb for MTD BL110 BL160 BL425 M2500 M2510 RM2510 RM2520 RM2560 RM2599 Trimmer Replacement manufacturer part number: 751-14840 951-14840 For MTD Bolens Troy-Bilt Yard Man Craftsman trimmer, not limited Package include: 1 x carburetor, 2 x primer bulb