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

For 1989-1991 Chevrolet R2500 Suburban Rocker Panel Backing Plate 19192QW 1990

For 1989-1991 Chevrolet R3500 Rocker Panel Backing Plate 82773GMWZ 1990

For 1989-1991 Chevrolet V2500 Suburban Rocker Panel Backing Plate 16575YN 1990

For 1989-1991 Chevrolet R1500 Suburban Rocker Panel Backing Plate 79116VK 1990

For 1975-1986 Chevrolet K20 Rocker Panel Backing Plate 88164ZC

For 1987-1991 GMC R3500 Rocker Panel Backing Plate 35942BSHG 1988 1989 1990

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