OER Parts offers a wide selection of Apparel for your 1979 GMC Truck. OER Parts offers 1979 GMC Truck Caps, Hats, Beanies, 1979 GMC Truck Casual Shirts, 1979 GMC Truck Children's Wear, 1979 GMC Truck Gloves, 1979 GMC Truck Jackets, 1979 GMC Truck Long Sleeve Shirts, 1979 GMC Truck Pit Crew Shirts, 1979 GMC Truck Polo Shirts, 1979 GMC Truck Sweaters & Sweatshirts, 1979 GMC Truck T-Shirts & Tanks, and 1979 GMC Truck Women's Wear.