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

For 1987-1991 GMC V3500 Rocker Panel Backing Plate 12177XX

For 1975-1978 GMC K15 Rocker Panel Backing Plate Left - Driver Side 11923YS 1976

Left - Driver Side Rocker Panel Backing Plate For 1987-1991 GMC V3500 JN843JJ

For 1989-1991 Chevrolet V3500 Rocker Panel Backing Plate 19293YM

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

For 1987 GMC V2500 Rocker Panel Backing Plate Left - Driver Side 72567ZZ