The Attwood Mercury 3/8" Fuel Line Assembly is an EPA-certified solution designed for compatibility with Ethanol blended fuels and all OEM-brand Mercury engines, including pre-1998 models from 1HP to 350HP. This kit features a multi-layer, low-permeation primer bulb, a 6-foot fiber-reinforced fuel hose, universal sprayless connector tank fittings, and stepless 360° clamps for secure, leak-free connections. Note that the fuel demand valve is not included. Ideal for maintaining reliable fuel delivery and engine performance in Mercury and Mercury/Mariner outboards.