Touch up your rigâs appearance with semi-truck half fenders in chrome, stainless steel, polished aluminum, poly or fiberglass. Browse through half-tandem truck fenders with various widths and gauge thicknesses, finishes, and style designs to perfectly customize your Class 8 truck. Filter for your make/model, whether itâs a Peterbilt, Freightliner, Kenworth, Mack, International, Volvo, or something else.