Powermaster Duramax Alternator, 2007.5-2010 LMM

Part# 58302W

$442.49 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2007.5 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LMM 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
  • 220 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

Includes: 

  • Alternator

Customer Reviews

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D
Dustin Shuey
Power Master alternator review

I enjoy my power Master it keeps plenty of power in my truck and it's very quiet and runs very smooth on the belt thank you power master