2008-2012 Duramax 320 Amp OEM H.O. Alternator (SD-ALT-6.6-08-320)

Fits

Sinister Diesel 320 Amp OEM alternators are 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 electronics failures due to low voltage from the lack of alternator power that comes from the factory. Sinister Diesel's proudly uses brand new OEM alternator components such as the Stator, Rotor, Rectifier and Regulator to give customers peace of mind to match the Sinister standard of quality. 

Part Number: SD-ALT-6.6-08-320

• Cast Aluminum Chassis
• Powder Coated in Sinister Blue
• Upgraded High Output Regulator
• Upgraded High-Temperature Bearings
• 1 Year Warranty

Includes:

• High Output 320 Amp Alternator

• Because this product exceeds OEM specifications, you must include a High Amp Wiring Upgrade Kit at the time of purchase to maintain the Alternator warranty and prevent damaging the under-sized OEM wiring.