1515 Old US Hwy 31 N. 2004 Detroit Series 60 14.0L DDEC 5 Diesel Engine. Stock # AD 2660. (Only Applies To Good Running Engines, Excludes Cores/Take Outs). We remove Valve Covers and Oil Pans to inspect the Internal parts to ensure quality. World Wide Diesel Pays for your core to come back. Easy Simple […]