If your old Dodge D100 is having fuel delivery issues, this mechanical fuel pump is the direct OE replacement you need. It's made to match the original equipment specs for a perfect fit on D100 models from 1961 through 1967. You won't have to worry about modifications or compatibility headaches—just swap it in and get back on the road. Built to handle daily driving and classic car restorations alike. Always double-check the fitment chart to make sure it matches your truck's year and engine. Reliable performance, straightforward installation, and the quality you expect from an OE-style part.