1978 Mack RD685S, Truck Trailer, Seats, Fits to: Mack RD685S, (Used) 1978 Mack RD685S, SEATS- Side: Driver Left Side, Color: Tan, Type: Air Ride, Manual, Material: Vinyl, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON MD 21921, Truck Year 1978, VIN RD685S3685, Seat Make MACK, RD685S3685