HIPA Pack of Carburetor Primer Bulb for Troy-Bilt TB26TB TB575SS TB525C Replace 753-04296 753-04745 753-1225 MTD Yardman Ryobi 753-1225 Replaces MTD Troy Bilt # 753-04296 753-04745 753-1225 Used on Troy-Bilt TB26TB TB575SS TB525C trimmer You will get: 1 carburetor, 4pcs primer bulb