Snap in Primer Bulb Replacement for Stihl Weed Eater McCulloch Ryobi Echo Poulan Husqvarna String Trimmer Leaf Blower 2-Cycle Small Engine Primer Bulbs

35879158 35879558 35879898 3587952; for HOMELITE HLT28 ST145 ST155 CS50 CS4018; for RYOBI UP04033 300780004 300780001