Stens Walbro OEM Primer Bulb, Walbro 188-566-1

Replaces:
Walbro 188-12, 188-12-1, 188-566-1

Fits/Specs:
Walbro Echo 1238140650; Homelite 01201/UP-04802; McCulloch 225834-00; Shindaiwa 20036-81670; Stihl 4133 121 2700