MoparPartsGiant.com offers the wholesale prices for genuine 1993 Dodge W350 parts. Parts like Fuel Pump & Level Unit are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 5.9L Diesel, 8 Cyl 5.9L. Transmission: 3-Speed Automatic Transmission, 4-Speed Automatic Transmission, 5-Speed Manual Transmission.