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

Right - Passenger Side Rocker Panel Backing Plate For 1979-1986 GMC K1500 D539GB

For 1987 GMC V2500 Rocker Panel Backing Plate Right - Passenger Side 71786WV

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

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

Right - Passenger Side Rocker Panel Backing Plate For GMC C1500 Suburban FS837RM

Right - Passenger Side Rocker Panel Backing Plate fits C1500 1979-1986 44GFSG

Left - Driver Side Rocker Panel Backing Plate fits GMC C1500 1979-1986 15YYHZ