Powermaster Duramax Alternator

Fits 2011-2020 LML/L5P Duramax

Part# 54007W

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

Options Note:

When replacing your stock alternator with the Powermaster High output alternator, it is recommended to change the main charge cable from the alternator to the Battery and also change the grounding cable from the alternator to the frame/block. When the vehicle is under a larger load than the factory setup, it is possible for the Powermaster high output alternator to supply more amperage than the charge and ground cable are rated to handle from the factory. This situation could result in possibly melting the insulation and wire or in extreme situations could cause a fire. For additional clarification on this please reach out to us. 

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