This is the vacuum hose from the windshield wiper motor to the engine. It has an inside diameter of 1/4 inch. For All Chevrolet Cars and Trucks

This is the rubber vacuum hose for the windshield wiper control 3/16 inch inside diameter (sold in 2 ft lengths). For 1942 1944 1945 1946 1947 1948 Chevrolet Cars

This is a new old stock windshield wiper washer coordinator with instructions. (NOS). For 1954 Chevrolet Cars