Parts Questions Home > Ford E-350/E-350 Super Duty > 1984 8 Cyl 6.9L Diesel 3AT C6 > Fuel Filler Door Parts found for 1984 Ford E-350/E-350 Super Duty 8 Cyl 6.9L Diesel 3AT C6 > Fuel System & Manifolds > Fuel Filler Door View by Part No. Part No. Part Description RetailPrice YourPrice Qty. Cart -354860-S HARDWARE Bumper -354860-S Base Number: 370374-S Callout Name: 354860-S $2.80 $1.62 Genuine Ford Parts, the Right Choice FordPartsGiant.com offers the lowest prices for genuine 1984 Ford E-350/E-350 Super Duty 8 Cyl 6.9L Diesel 3AT C6 parts. Parts like Fuel Filler Door are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options.