Sinister Diesel SD-ALT-6.6-13-320 - 320 Amp OEM High Output Alternator for 2013-2018 GM Duramax 6.6L.

Whether you're working, towing or racing, a proper charging system is crucial in keeping your GM Duramax diesel engine operational. Don't let a faulty OEM alternator leave you stranded. This 2013-2018 Duramax 6.6L 320 amp alternator is trusted by many Diesel repair shops and stores to be the fix all solution for the GM Duramax 6.6L alternator failures, which may cause PDM failures due to low voltage from the lack of alternator power that comes from the factory. Instead of a remanufactured alternator, Sinister Diesel's 2013-2018 Duramax 6.6L 320 amp alternator proudly uses brand new OEM alternator components such as the stator, rotor, rectifier and regulator to give our customers piece of mind to match our standard of quality. This alternator is a direct fit replacement part without any need for modifications, and it's sure to stand up to just about any conditions with an upgraded high-output regulator, high-temperature bearings and a cast aluminum chassis that comes powder coated in the signature Sinister