OER Parts offers a wide selection of Apparel for your 1961 GMC 3500. OER Parts offers 1961 GMC 3500 Caps, Hats, Beanies, 1961 GMC 3500 Casual Shirts, 1961 GMC 3500 Children's Wear, 1961 GMC 3500 Gloves, 1961 GMC 3500 Jackets, 1961 GMC 3500 Long Sleeve Shirts, 1961 GMC 3500 Pit Crew Shirts, 1961 GMC 3500 Polo Shirts, 1961 GMC 3500 Sweaters & Sweatshirts, 1961 GMC 3500 T-Shirts & Tanks, and 1961 GMC 3500 Women's Wear.