Stens Primer Bulb, Walbro 188-12-1, ea, 1
Stens carries a wide variety of OEM / aftermarket replacement parts for small engine outdoor power equipment. Fits WALBRO WA, WT, WY, WYJ, WYK, WYL, WYP and WZ carburetors that require a 3/4-inch Outside Diameter by 9/16-inch HT primer bulb
