FordPartsGiant.com offers the wholesale prices for genuine 2021 Lincoln Aviator parts. Parts like Interior Trim - Front Door are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV).