Echo String Trimmer Primer Bulb Parts

Walbro primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.

Manufacturer #188-12-1

Body-air purge

Manufacturer #5-2557-1

Bulb purge

Genuine OEM Part - Manufacturer #P005003120

Suggested replacement is 188-12-1

Genuine OEM Part - Manufacturer #12318140630

WALBRO WA, WT, WY, WYJ, WYK, WYL, WYP and WZ carburetors that require a 3/4" OD x 9/16" HT primerbulb