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

Left - Driver Side Rocker Panel Backing Plate For 1977-1978 GMC K35 ZD539JJ

For 1977-1978 GMC K35 Rocker Panel Backing Plate Left - Driver Side 96295ZTZQ

Right - Passenger Side Rocker Panel Backing Plate fits GMC K35 1977-1978 87TWSC

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

49JZ22V Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

71FQ25Q Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

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