For 1973-1974 GMC K35/K3500 Pickup Rocker Panel Backing Plate 63878CQ

For 1973-1974 GMC K35/K3500 Pickup Rocker Panel Backing Plate 63728ZW

For 1973-1974 GMC K35/K3500 Pickup Rocker Panel Backing Plate 21746CS

For 1973-1974 GMC K35/K3500 Pickup Rocker Panel Backing Plate 28219WHVV

For 1973-1974 GMC K35/K3500 Pickup Rocker Panel Backing Plate 54357RKSQ

For 1973-1974 GMC C35/C3500 Pickup Rocker Panel Backing Plate 57174FP

For 1973-1974 GMC K15/K1500 Pickup Rocker Panel Backing Plate 69742NC

For 1973-1974 GMC K25/K2500 Pickup Rocker Panel Backing Plate 84319BY