Right - Passenger Side Rocker Panel Backing Plate For 1979-1986 GMC K1500 D539GB

For 1975-1986 Chevrolet K20 Rocker Panel Backing Plate 88164ZC

For 1979-1986 GMC K1500 Rocker Panel Backing Plate 53274KH

For 1979-1986 GMC K1500 Suburban Rocker Panel Backing Plate 18559GW

Fits 1988-1999 Chevrolet K1500 Rocker Panel Backing Plate Left - Driver Side 761

Right - Passenger Side Rocker Panel Backing Plate fits K3500 1979-1986 26ZRZM

Right - Passenger Side Rocker Panel Backing Plate fits C3500 1979-1986 11HCMD

Right - Passenger Side Rocker Panel Backing Plate For GMC K1500 Suburban YY957TB