Parts Questions Home > Ford E-350/E-350 Super Duty > 1984 8 Cyl 6.9L Diesel 3AT C6 > Servo & Band Parts found for 1984 Ford E-350/E-350 Super Duty 8 Cyl 6.9L Diesel 3AT C6 > Transmission (Auto) > Servo & Band View by Part No. Part No. Part Description RetailPrice YourPrice Qty. Cart -375185-S100 HARDWARE Nut - Hex. -375185-S100 Base Number: 375185-S100 Callout Name: 375185-S100 -- -- 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 Servo & Band are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options.