Walbro OEM Primer Bulb 188-12-1 188121
- 3/4" OD x 9/16" HT- For Walbro WA, WT, WY, WJJ, WYJ, WKK, WYK, WYL, WYP and WZ and other carburetors that require a 3/4" OD x 9/16" HT primer bulb.REPLACES:
FITS: