FLB

The Freightliner FLB, a predecessor to the Argosy, is a cab over truck used for heavy-duty towing and hauling.  It is a slight improvement over the FLA - just a few cosmetic differences

The FLB takes a standard bolt pattern 4.65" x 12" seat with a standard height.  You have a full range of possibilities here.  From the basics like a Bostrom Wide Ride to a highly customized Knoedler Air Chief - try a mid back design with memory foam with accent stitching.  If you want to go more basic, The National Captain is a simple reliable solution.

Always assess the fit of a seat to your truck, as your individual cab may be modified or require a special adaptor plate.  Installation of a new truck seat is at the sole discretion of the installer.