For 1975-1978 GMC C15 Rocker Panel Backing Plate Left - Driver Side 29986XZ 1976

For 1975-1978 GMC C15 Rocker Panel Backing Plate Left - Driver Side 82488BSZK

59MR67Q Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

For 1979-1986 GMC K1500 Rocker Panel Backing Plate Left - Driver Side 94725WV

43WH47K Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

For 1975-1978 GMC C15 Suburban Rocker Panel Backing Plate 95243ZN

For 1977-1978 GMC K35 Rocker Panel Backing Plate Left - Driver Side 17184KK

For 1975-1978 GMC C25 Rocker Panel Backing Plate Left - Driver Side 97428ZP 1976