Stens 615-796 Primer Bulb Replaces: Poulan: 530047213, 530071835 Fits models: Poulan: 222, 255 FLW, 262, 2050, 2055, 2150, 2175, 2250, 2375, 2450, 2550, 2250LE, 2550SE, BH2160, BH2160LE, BH2660, PP220, PP220Le, PP260, PP260LE, SM4018 and Titanium 2550T Ethanol: not compatible with greater than 10% ethanol fuel