New Pack of 2 Replacement Primer Bulb for Poulan Craftsman Snapper Edger Weedeater Chainsaw Replace 530047213 530071835 188-518 Primer bulb assembly for Poulan, Craftsman, Sears air purge fuel gas petrol Refer to part number 530047213 and/or 530071835 Bin # 188-518 This is the primer bulb assembly that is held on by 2 screws Package inculdes 2 X primer bulbs + 2 screws