Primer Bulb / Poulan 530-071835Pack Size:1Poulan 530-071835, Poulan 530-047213Oregon 49-443Poulan 222, 262, BH2160, BH2160LE, BH2660, PP220LE, Titanium 2550T, 255 FLW, SM4018, 2550LE, 2550SE, 2050, 2055, 2150, 2175, 2250, 2375, 2450, 2550, 2250LE, PP260LE, PP220 and PP260 gassawsOD: 13/16 ", Height: 1 1/8 ", Ethanol: Not compatible with greater than 10% ethanol fuel