Attwood Quick Connect Fuel Tank Fittings are precision-machined from durable brass, designed for reliable fuel connections with 1/4" male NPT threading. Compatible with leaded, unleaded, ethanol, and alcohol-blended fuels, these fittings ensure secure and efficient fuel flow. Available in models ATT8873-6 for Merc/Mariner (1996 to present) and ATT8883-6 for Johnson/Evinrude/OMC engines. Note that clamps are sold separately. Ideal for professional marine fuel system applications requiring dependable performance.