49JZ22V Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

For 1979-1986 GMC K1500 Rocker Panel Backing Plate Left - Driver Side 94725WV

59MR67Q Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

Left - Driver Side Rocker Panel Backing Plate fits GMC K25 1975-1978 49GJSN

For 1975-1978 GMC C25 Rocker Panel Backing Plate Left - Driver Side 97428ZP 1976

43WH47K Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

Left - Driver Side Rocker Panel Backing Plate fits K25 Suburban 1975-1978 97DCQJ

Left - Driver Side Rocker Panel Backing Plate fits GMC C15 1975-1978 24PVRX