For 1977-1978 GMC K35 Rocker Panel Backing Plate Left - Driver Side 17184KK

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

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

Left - Driver Side Rocker Panel Backing Plate For 1977-1978 GMC K35 ZD539JJ

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 58918TVDY

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

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