FordPartsGiant.com offers the wholesale prices for genuine 2021 Ford Transit 350 HD parts. Parts like Engine Parts, Mounts, Cylinder Head & Valves, Camshaft & Timing, Variable Valve Timing, Oil Cooler, Oil Pan, Oil Pump, Crankshaft & Bearings, Pistons, Rings & Bearings are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS.