Part description: Stihl 4133 121 2700 primer bulb
Replacement primer bulb for STIHL models with Walbro carburetors:
WA, WT, WY, WYJ, WYK, WYL, WYP and WZ that use a 3/4" O.D. x 9/16" HT primer bulb.
Replacement primer bulb for STIHL models with Walbro carburetors:
WA, WT, WY, WYJ, WYK, WYL, WYP and WZ that use a 3/4" O.D. x 9/16" HT primer bulb.
3/4" O.D.
Other part numbers:
41331212700
Walbro 188-12 / 188-12-1 / 188-14 / 188-14-1
Other part numbers:
41331212700
Walbro 188-12 / 188-12-1 / 188-14 / 188-14-1