The Walbro 188-12-1 Primer Bulb is a genuine OEM replacement part designed for use with various Walbro carburetors, including models WA, WT, WY, WYJ, WYK, WYL, WYP, and WZ. This primer bulb measures 3/4 inch in outer diameter and 9/16 inch in height.
Key Features:
Dimensions: 3/4 inch (19mm) outer diameter; 9/16 inch (14mm) height.
Compatibility: Fits Walbro carburetor models WA, WT, WY, WYJ, WYK, WYL, WYP, and WZ.
Replaces OEM Part Numbers: Echo 12318140630, Homelite 01201, UP04802, Husqvarna 505306701, McCulloch 225834-00, Shindaiwa 12318109560, 12318140630, 188121, 20036-81670, 6820681430, 7002981480, Stihl 4133 121 2700.