Exact reproduction of GM# 20008170 door sill plate for 1978-1987 Buick Regal, Grand National, and GNX which is located on top of the rocker panel with emblem. This sill plate fits either the LH OR RH side. This listing is for "1" SILL PLATE, if you are replacing both sill plates, be sure to order a quantity of "2". Polished aluminum.

Although this listing is for the Buick Regal/Grand National and GNX, these sill plates also fit many 78-88 2-door G-body models…Malibu, El Camino, Caballero, Century, Lemans, Cutlass, Monte Carlo, Regal, Grand Prix & Skylark.