For 1979-1986 GMC C1500 Rocker Panel Backing Plate Left - Driver Side 61812YM

For 1979-1986 GMC C1500 Suburban Rocker Panel Backing Plate 94685QM

For 1973-1974 GMC C15/C1500 Pickup Rocker Panel Backing Plate 37665RC

For 1979-1986 GMC C1500 Suburban Rocker Panel Backing Plate 19323CPGB

Left - Driver Side Rocker Panel Backing Plate fits GMC K2500 1979-1986 71KGWT

Left - Driver Side Rocker Panel Backing Plate For GMC C1500 Suburban GN864JZ

Left - Driver Side Rocker Panel Backing Plate fits GMC K3500 1979-1986 61VQKD

Left - Driver Side Rocker Panel Backing Plate fits GMC C3500 1979-1986 65RHDG