The Omix fuel filler neck housing is a stamped steel direct-fit replacement used across multiple Willys and CJ models: 1946–1949 CJ2A, 1949–1953 CJ3A, 1953–1966 CJ3B and 1955–1971 CJ5/CJ6. It features a 4.375-inch inside diameter and replaces OE 663505. Supplied as an OE-style component with a limited five-year warranty, it restores correct fuel filler geometry and stamped-steel construction.
Omix Fuel Filler Neck Housing 46-71 Willys & CJ