The Gates 4219G10 is a high-quality 3/8 inch (9.5mm) fuel hose designed for a wide range of fuel applications, including gasoline, ethanol-extended gasoline, and diesel fuel. This hose is engineered to meet SAE J30R7 specifications, ensuring reliable performance in both carbureted and electronic fuel injection (EFI) systems. It features a synthetic rubber tube and cover, reinforced with a single braid of high-strength synthetic yarn for durability and resistance to oil, heat, and ozone. The hose has an inner diameter of 9.5mm (0.375 inches) and an outer diameter of 17.5mm (0.689 inches), with a working pressure of 50 PSI (3.4 bar) and a burst pressure of 250 PSI (17.2 bar). It is suitable for temperatures ranging from -34°C to +125°C (-29°F to +257°F).