Quality aftermarket screw in primer bulb Replaces Walbro 188-513, 188-513-1, Poulan 530-047213, 530-071835 Fits: WT-119C and WT-265 carburetors Poulan 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