Ethanol-Resistant Primer Assembly Upgrade: 188-566-1


  • Walbro's new Ethanol and UV resistant primer bulb has been specifically developed for use with higher ethanol blends.

    Made with propietary materials designed to remediate the problems caused by direct sunlight and aggressive fuel additives commonly found in today's fuels.

    Replace your primer bulb for the last time.

    Use 188-566-1 as an upgrade to replace: 188-12-1, 188-12-A-1, 188-14-1, and 188-15-1.