OER Parts offers a wide selection of Apparel for your 1940 GMC Truck. OER Parts offers 1940 GMC Truck Caps, Hats, Beanies, 1940 GMC Truck Casual Shirts, 1940 GMC Truck Children's Wear, 1940 GMC Truck Gloves, 1940 GMC Truck Jackets, 1940 GMC Truck Long Sleeve Shirts, 1940 GMC Truck Pit Crew Shirts, 1940 GMC Truck Polo Shirts, 1940 GMC Truck Sweaters & Sweatshirts, 1940 GMC Truck T-Shirts & Tanks, and 1940 GMC Truck Women's Wear.