Savior 20 Pack of Primer Bulb for 188-12 188-14-1 Poulan 530035361 Echo 12318109560 Shindaiwa 7002981480 Mcculloch 22583400 High quality 20pcs primer bulbs Replace to Part No.: 188-12, 188-12-1, 188-14, 188-14-1 Replace Homelite Part No. : 01201 / UP04802 Replace Echo Part No. : 123-181-40630 / 123-181-09560 Size:ODxFDxHT: .625"/16MM x .75"/19MM x .55"/14MM