OER Parts offers a wide selection of Apparel for your 1988 GMC C1500. OER Parts offers 1988 GMC C1500 Caps, Hats, Beanies, 1988 GMC C1500 Casual Shirts, 1988 GMC C1500 Children's Wear, 1988 GMC C1500 Gloves, 1988 GMC C1500 Jackets, 1988 GMC C1500 Long Sleeve Shirts, 1988 GMC C1500 Pit Crew Shirts, 1988 GMC C1500 Polo Shirts, 1988 GMC C1500 Sweaters & Sweatshirts, 1988 GMC C1500 T-Shirts & Tanks, and 1988 GMC C1500 Women's Wear.