For 1987-1991 GMC R3500 Rocker Panel Backing Plate 45652TBQJ

For 1987-1991 GMC R3500 Rocker Panel Backing Plate Left - Driver Side 46444YJCD

For 1987-1991 GMC R3500 Rocker Panel Backing Plate 62125TFPY 1988 1989 1990

Rocker Panel Backing Plate For 1987-1991 GMC R3500 1988 1989 1990 ZH933JW

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 81935MM 1990

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

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

For 1987-1991 GMC R1500 Suburban Rocker Panel Backing Plate 76458TPJW 1988 1989