The 2012 Chevrolet/GMC 2500/3500 Duramax Diesel Owners Manual #20875612A is a comprehensive guide specifically tailored for owners of these vehicles. Published by GM, it provides detailed information on operating, maintaining, and troubleshooting the Chevrolet and GMC Duramax Diesel models from the year 2012. This paper-based manual serves as a valuable resource for those looking to understand their vehicle better and ensure optimal performance and longevity. In very nice pre owned condition.