Towing, Auto Parts & Supplies, Used Parts. Donnell's Towing, Auto Sales & Parts has been the number one destination in Oak Ridge, NC for new and used auto parts for over 50 years. Our locally-owned and -operated business is dedicated to providing only the highest-quality auto parts at prices that fit your budget. From AC condensers and alternators to engines and evaporators , you can find all the parts you need right here at our shop.