Left - Driver Side Rocker Panel Backing Plate For 1989-1991 Chevy R3500 HX364QH

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 53676RK

Left - Driver Side Rocker Panel Backing Plate For 1987-1991 GMC R3500 FY115YF

Left - Driver Side Rocker Panel Backing Plate fits GMC R3500 1987-1991 78VMMN

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 44326TDMZ

For 1987-1991 GMC R3500 Rocker Panel Backing Plate Left - Driver Side 34871XXTG

For 1975-1986 Chevrolet K5 Blazer Rocker Panel Backing Plate 71849RDDR

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 95724QWSW