General Information Year 2003 Make Chevy Model Duramax 2500 HD History LB7 6.6L Allison 1000 series EFI Live 2003 Chevy Duramax 2500 HD Gallery 17602.jpg 55 KB Views: 79 17610.jpg 51.5 KB Views: 81 17618.jpg 46.9 KB Views: 74 17626.jpg 57.9 KB Views: 75 17642.jpg 57.9 KB Views: 76 Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link