Shields Marine, Boat 3/8 ID Fuel Hose SAE J1527 Type A1. Approvals: Type A1-15, ISO Type A1, SAE J1527, EPA, CARB, NMMA/CE. Using the right hose for the job makes all the difference. Available in four sizes, 368 is ideal for fuel feed lines for outboards, inboards, and inboard/outboards using gasoline (up 85% ethanol blends) or diesel (including all bio-diesel blends).