Mechman 500 Amp Alternator GM FULL SIZE TRUCKS 1996-2014

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Standard build time on alternators is 2 to 3 week that are not in stock with Down4Sound
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MANDATORY EXTERNAL REGULATION REQUIRED BY THIS UNIT Adjustable External Regulator w/ 2 Pin Alt Harness


This Elite series alternator offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies with 200% more surface area, and 16 diodes makes these alternators totally durable for daily use, while still maintaining 200+ amps at engine idle speeds. Ask a sales rep for more details.
200 amps at idle
Set up for external regulation only
The installation of this unit will cause a check battery light to come on in the dash, the necessary 91102R external regulator sold separately. It fits 1996-2013 GM V8 trucks and SUV's, as well as 4.3L blazer, Safari van and Astro. 

2 year performance guarantee.

The MechMan two year warranty applies to Mechman Alternators sold ON or AFTER 07/13/2011. This limited two year warranty allows the customer to return his or her MechMan alternator for repair for a full two years after the alternator purchase date. This warranty does not cover other parts or equipment on the vehicle, and does not cover labor for removal or installation of the alternator. This warranty is VOID if the MechMan alternator is modified, physically abused, misused, improperly installed, or is not used in the application for which it was designed. The MechMan two year warranty is non-transferrable. The customer must include a copy of the original invoice when sending in their alternator in order to receive warranty service. The customer is responsible for shipping the alternator to the Mechman facility for warranty service, Mechman will pay return shipping back to the customer for all alternators under warranty. As an added service, MechMan will also service any MechMan alternator of any age or condition for the cost of parts and return shipping. (We provide the labor to repair the alternator for free!)

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  • 5
    Quality of theAlternator

    Posted by joe accavallo on Feb 5th 2020

    First I want to thank Jonathan at down4sound for being my main dealer in car audio It's clearly supplying the down sound difference? Actually alternators beautiful. So far working like a champion. Better than to be expected. I had Mechman 370 s prior to these for about 6 months You know, what a difference a big Power quickly and pretty. This step is way to go tried and true.