Left - Driver Side Rocker Panel Backing Plate fits Chevy R20 1987-1988 63WTJP

Left - Driver Side Rocker Panel Backing Plate fits Chevy R10 1987 81WNMYBJ

For 1987-1988 Chevrolet R20 Suburban Rocker Panel Backing Plate 26779ND

Left - Driver Side Rocker Panel Backing Plate fits V10 Suburban 1987-1988 14JNQD

Left - Driver Side Rocker Panel Backing Plate fits R10 Suburban 1987-1988 54WKTK

For 1987-1988 Chevrolet R20 Suburban Rocker Panel Backing Plate 86332VSFN

Left - Driver Side Rocker Panel Backing Plate fits V20 Suburban 1987-1988 19SGDW

For 1987-1988 Chevrolet R20 Suburban Rocker Panel Backing Plate 35756PYDY