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

For 1987 Chevrolet V10 Rocker Panel Backing Plate Left - Driver Side 24655RF

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

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

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

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 76623JSDN

Left - Driver Side Rocker Panel Backing Plate For 1975-1986 Chevy K10 BC162RK

Left - Driver Side Rocker Panel Backing Plate For 1975-1986 Chevy C10 DW294RY