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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
Order by 8:00 PM ET, this part ships TODAY!
Pumppriming
Genuine OEM Part - Manufacturer #6684687
Leverchoke
Genuine OEM Part - Manufacturer #6691239
Suggested replacement is 188-12-1
Genuine OEM Part - Manufacturer #6684689
No longer available
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