Keep your fuel system at peak performance with these quality fittings specifically designed for Mercury/Mariner Brand engines and tanks. Made of durable die-cast zinc. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.