Air Purge Bubble / Primer Bulb Replaces 188-512, 188-512-1, 300780001, 300780004, 35879158, 35879516, 35879518, 3587952, 35879556, 35879558, 3587958, 35879898, 530047721, UP04033, 01183, WT-23A, WYJ-33, WYJ-34, WYJ-45, WYJ-86, WYJ-92, WYJ-94 Fits for Husqvarna Chainsaw 123L 125B 125BVX 125BX 225 225BX 225HBV 227L 227LD 227R 227RD 232L 235 235E 236 236E 240 240E 240L 322C 322L 322R 323 325 325CX 325LX 325LXT 325RDX 325RJX 325RX 325RXT 326 326C 326L 326LX 334T 338XPT 340 340E 345 346XP 350 350EPA 353 356BF 356BT 435 435E 440E 445 445E 450E 455 455E 460-Rancher Fits for Poulan Chainsaw P3314 P3314WS P3314WSA P3416 P3516PR P3816 P3818AV P4018 P4018AV P4018WM P4018WT P4018WTL PP3416 PP3516 PP3516AVX PP3816 PP3816AV PP4018 PPB3416 PPB4018 PPB4218 S1970 SM4218AV, for Poulan Pole Pruner Saw PP445 PP446 PP446E PP446ET PP446T SM446E Fits for Poulan String Trimmer 31WG BC3150 PP031 PP033 PP035 PP036 PP131 PP133 PP135 PP136 PP136E PP330 PP331 PP333 PP335 PP336 PP338PT PPB100 PPB100E PPB150E PPB200 PPB200E PPB250E PPB300 PPB300E PPB32SST PPB350 S31BC S31SNG S31SNGBC S31SST SM132 SM132LE WT3100 Fits for Ryobi Leaf Blower BP42 RY08420 RY08420A RY42BPEMC RY42WB; for Ryobi Trimmer 600R 700R 700RVP 704R 704RVP 705R 720R 725R 725RE 750R 765R 766R 767R 770REB 775R 790R Fits for Sthil Trimmer FS36 FS40 FS44 FS44R; for Bolens BL100 BL150 BL250, BL410 Tiller Cultivator; for McCulloch Chainsaw 2012 3020 3200 3205 3210 3214 3216 4600 4700 5000 Replace part number：Wal-bro 188-512 188-512-1 Hus-qvarna 503936601 530047721 Poulan 530047721 Echo 12318139130 Ryobi 01183 300780002 Zip8-Zip 188-512 Primer Bulb Pump Replace part Roybi Craftsman Homelite Husqvarna 123l 125b Gas Trimmer Blower Brush Cutter Fits Zama BG55 BG65 BG66