Carburetor - TOOGOO(R) New Carburetor Carb For Poulan Sears Craftsman Chainsaw Walbro WT-89 891 Silver Refer to part number 530069703, 530035343, 530071620, 545006058, 545006057 or 545081885. Replace OEM Poulan Number: 545081885 / 530069703 / 530071821 / 530071618 / 530071620 / 545006057 Replace OEM Walbro Number: WT-891 / W-20 / WT-89 / WT-391 / WT-600 / WT-624 / WT-625 / WT-637 / WT-662