OER Parts offers a wide selection of Apparel for your 1989 GMC S15. OER Parts offers 1989 GMC S15 Caps, Hats, Beanies, 1989 GMC S15 Casual Shirts, 1989 GMC S15 Children's Wear, 1989 GMC S15 Gloves, 1989 GMC S15 Jackets, 1989 GMC S15 Long Sleeve Shirts, 1989 GMC S15 Pit Crew Shirts, 1989 GMC S15 Polo Shirts, 1989 GMC S15 Sweaters & Sweatshirts, 1989 GMC S15 T-Shirts & Tanks, and 1989 GMC S15 Women's Wear.