Oil Line Fittings

33 products

Oil Line Fittings for Harley-Davidson ensure leak-free fluid transfer throughout your engine and primary systems. As an Iron City authorised Harley-Davidson dealer, we offer a comprehensive selection from MCS, Gardner-Westcott and Goodridge. These precision fittings service models from 1936–1991 Big Twins including Panhead and Shovelhead oil tank connections, plus Sportster models from 1967–2022. Our range includes primary vent fittings, oil pump connections and crankcase vents with options for custom Built-A-Line hose assemblies. Whether you're rebuilding oil lines on an Ironhead or upgrading to braided stainless on your modern Twin Cam, proper fittings prevent the leaks that rob performance and create mess. Each fitting is machined to precise specifications for reliable sealing on your Harley-Davidson. Browse the full range below.