Fuel Return Hose Line - 80 to 86 Fits USA/CAN 80 to 84 - 4.5L & 4.7L 16v L-Jet - Cohline Fits ROW 80 to 83 - 4.7L K-Jet Fits ROW 84 to 86 - 4.7L LH-Jet 84 to 86 Cars fitted with a Fuel Cooler will also need Fuel Hose 928 356 081 05C #6 on the PET Drawing This hose is on the Right Side of the Engine. Made in Germany using Cohline Hose & fittings. Cohline was the original supplier of this hose to Porsche. Working, Test & Burst pressures far exceed this application.