Long cranking times, low power and a rough idle are all symptoms of a bad fuel pump, when left unattended there is at risk for complete failure which could leave you stranded. If its time for you to restore your 6.6L Duramax back to peak performance, Built with durability and precision in mind, Alliant Power fuel pumps are trusted by professionals and enthusiasts alike to provide lasting performance and peace of mind. Whether you’re hauling, towing, or daily driving, this pump helps keep your Duramax running strong, efficient, and ready for whatever the road demands.