For 1975-1978 GMC K15 Rocker Panel Backing Plate Left - Driver Side 68642TWFP

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

For 1973-1991 GMC Jimmy Rocker Panel Backing Plate Left - Driver Side 38678PF

For 1975-1978 GMC C35 Rocker Panel Backing Plate Left - Driver Side 73228WPTT

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

For 1975-1978 GMC C25 Suburban Rocker Panel Backing Plate 36793VP

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

Left - Driver Side Rocker Panel Backing Plate For 1975-1978 GMC C25 1976 RH984PX