540G - SKIDDER, LOG 1821 SEAT AND SEAT BELT Parts group 1821 SEAT AND SEAT BELT 1821 SEAT AND SEAT BELT . Seat Support Regular Seat Belt (51mm (2 IN.) Wide) SEAT BELT (76 MM (3 IN.) WIDE) Retractable Seat Belt (European Union) SUSPENSION SEAT, CUSHIONS AND ARMRESTS SUSPENSION SEAT, CUSHIONS AND ARMRESTS Seat Slide Travel