OER Parts offers a wide selection of Apparel for your 1978 GMC C35. OER Parts offers 1978 GMC C35 Caps, Hats, Beanies, 1978 GMC C35 Casual Shirts, 1978 GMC C35 Children's Wear, 1978 GMC C35 Gloves, 1978 GMC C35 Jackets, 1978 GMC C35 Long Sleeve Shirts, 1978 GMC C35 Pit Crew Shirts, 1978 GMC C35 Polo Shirts, 1978 GMC C35 Sweaters & Sweatshirts, 1978 GMC C35 T-Shirts & Tanks, and 1978 GMC C35 Women's Wear.