OER Parts offers a wide selection of Apparel for your 1989 GMC Truck. OER Parts offers 1989 GMC Truck Caps, Hats, Beanies, 1989 GMC Truck Casual Shirts, 1989 GMC Truck Children's Wear, 1989 GMC Truck Gloves, 1989 GMC Truck Jackets, 1989 GMC Truck Long Sleeve Shirts, 1989 GMC Truck Pit Crew Shirts, 1989 GMC Truck Polo Shirts, 1989 GMC Truck Sweaters & Sweatshirts, 1989 GMC Truck T-Shirts & Tanks, and 1989 GMC Truck Women's Wear.