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Fits: 2011 thru 2020 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel

Just by adding a few electrical accessories such as driving lights, auxiliary cooling fans, or a mega-sound system you can quickly exceed the capacity of your alternator. POWERMASTER has the solution - high output alternators that bolt in place of the OEM alternator. They feature a slightly larger case that bolts to all factory brackets and use the same belt. POWERMASTER has reengineered the power curve to deliver up to 50% more output at idle. Every POWERMASTER high output alternator is tested and comes with a proof of performance tag.

Features:

Dual Internal Fans For High Efficiency And Maximum Cooling
245 Plus Amps At Top End/150 Plus Amps At Idle
OEM Hookup
Individually Dyno Tested with Proof of Performance Guarantee
High Output Replacement For Lower Amp Units
Made in USA

Includes:

Alternator

Notes:

ALTERNATORS

Powermaster Alternator, 2011-2020 LML/L5P