Husqvarna 530 04 77-21, Purge Bulb

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$9.38
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This is a genuine OEM replacement part, it is sold individually.By pressing on the Purge Bulb, it will force fuel into the fuel line from the fuel tank into the carburetor.Once the carburetor is full...
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530 04 77-21
This is a genuine OEM replacement part, it is sold individually.
By pressing on the Purge Bulb, it will force fuel into the fuel line from the fuel tank into the carburetor.
Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in the fuel return line.

Over time the primer will lose its elasticity or crack and need to be replaced.