Stihl 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

Primer bulb (or purge bulb) assembly. The primer bulb draws fuel into the carburetor to make the engine easier to start. The short port on the primer bulb is the inlet. The longer port is the outlet back to the fuel tank.

Genuine OEM Part - Manufacturer #530047721

Purge bulb (or primer bulb) kit. The primer bulb draws fuel into the carburetor to make the engine easier to start. This replacement primer bulb features a smaller port. You will need to purchase a smaller fuel line.

Genuine OEM Part - Manufacturer #530071835

This replacement primer bulb features a smaller port. You will need to purchase a smaller fuel line.

Suggested replacement is 530047721

Genuine OEM Part - Manufacturer #530047721