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

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

For 1973-1974 GMC C35/C3500 Pickup Rocker Panel Backing Plate 23144MX

For 1973-1974 GMC C35/C3500 Pickup Rocker Panel Backing Plate 77471HM

For 1973-1974 GMC C35/C3500 Pickup Rocker Panel Backing Plate 13665YVWY

For 1973-1974 GMC C35/C3500 Pickup Rocker Panel Backing Plate 15922ZSKC

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

For 1979-1986 GMC C3500 Rocker Panel Backing Plate Left - Driver Side 23784VP