Savior 5 Pack of 2 Screws Primer Bulb Bulbs Pump for Poulan PP210 PP220 PP221 PP260 Oregon 49-443 Stens 615-796 5pcs High quality primer buld Refer to Poulan Craftman Part No.: 530047213 530071835 Refer to 188-513 188-513-1 188-518 188-518-1 Refer to Oregon 49-443 Refer to Stens 615-796