When you need increased charging capability, replace the stock alternator in your 2011-2019 GM 6.6L Duramax with the Mean Green MG1234 High Output Alternator. Providing up to 300% more power than stock, the Mean Green alternator can handle charging any engine, no matter what the power requirement is! Featuring a tool steel rotor shaft supported by heavy duty sealed bearings on each end, this alternator means business. Even the heavy duty solid copper windings are sealed with high temperature insulation. The heat resistant multi-function integrated regulator won't be susceptible to failure due to extreme temperatures like the factory unit is. Mean Green backs their high output alternators with a 1 year warranty.

Features:

Manufacturer Warranty*:
1 Year