Mechman Black 400 Amp High Output Alternator for 1996-2004 GM Truck 4.3L 4.8L 5.3L 5.7L 6L
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Availability: Most Alternators Are Custom Built To Order. Standard Build Time Is 1-2 Weeks. If You Need An Alternator Sooner Than That, Please Contact A Sales Associate To See If Any In-Stock Options Are Available.
The Elite series 400 amp alternator offers great amperage output and durability at a great price. 6 phase technology, combined with massive twin rectifier assemblies and 12 huge diodes make these alternators totally durable for daily use. These impressive alternators produce 220+ at engine idle RPM and 400+ amps at cruising speeds HOT RATED. Like most high output alternators, this unit comes with a smaller diameter pulley, and will require a 1/2 inch to one inch shorter than stock length belt for proper belt tension in most applications. Installation Notes: This unit may require an additional rectangle to oval adapter harness if the vehicle was originally equipped with the CS144 Heavy duty charging option from the factory. (this is not common) This unit is a direct plug in for any truck originally equipped with the more common oval shaped 4 pin plug as shown.
Installation Notes:
This unit comes equipped with a smaller 1.75 inch diamter alternator pulley, and will require a slightly shorter drive belt for proper belt tension.
This unit may require a rectangle to oval adapter harness if the vehicle is equiped with the HD charging option from the factory. (not common)
Fitment Guide:
| Make | Model | Engine Size | Year |
| Buick | Rainier | 5.3L | 2004 - 2006 |
| Cadillac | Escalade | 5.7 / 6.0 / 6.2 | 1999 - 2004 |
| Chevrolet | Astro Van | 4.3L | 1996 - 2005 |
| Chevrolet | Avalanche | All Engines | 2002 - 2004 |
| Chevrolet | Camaro | 5.0 / 5.7 | 1998 - 2002 |
| Chevrolet | Express Van w/4 pin plug | 1996 - 2016 | |
| Chevrolet | Full Size Truck | All Gas Engines | 1996 - 2004 |
| Chevrolet | Full Size Truck | 6.6L Duramax | 2001 - 2007 |
| Chevrolet | S-10 / Blazer | 4.3L | 1994 - 2004 |
| Chevrolet | SSR | 5.3 / 6.0 | 2003 - 2006 |
| Chevrolet | Suburban | w/4 pin plug | 1996 - 2004 |
| Chevrolet | Tahoe/Full Size Blazer | All Gas Engines | 1996 - 2004 |
| Chevrolet | Trailblazer | 5.3L | 2003 - 2006 |
| GMC | Envoy | 5.3L | 2003 - 2006 |
| GMC | Full Size Truck / Sierra | 4.3L | 1996 - 2004 |
| GMC | Full Size Truck / Sierra | 4.8L | 1999 - 2004 |
| GMC | Full Size Truck / Sierra | 5.0L | 1996 - 1999 |
| GMC | Full Size Truck / Sierra | 5.3L | 1999 - 2004 |
| GMC | Full Size Truck / Sierra | 5.7L | 1996 - 2000 |
| GMC | Full Size Truck / Sierra | 6.0L | 1999 - 2005 |
| GMC | Full Size Truck / Sierra | 6.6 Diesel | 2001 - 2006 |
| GMC | Full Size Truck / Sierra | 7.4L | 1996 - 2000 |
| GMC | Full Size Truck / Sierra | 8.1L | 2001 - 2005 |
| GMC | Safari | 4.3L | 1994 - 2004 |
| GMC | Savana Van | w/ 4 pin oval plug | 1996 - 2016 |
| GMC | Suburban | w/ Oval plug | 1996 - 2004 |
| GMC | Yukon | w/ Oval plug | 1996 - 2004 |
| Hummer | H2 | 6.0L | 2003 - 2007 |
| Oldsmobile | Bravada | 4.3L | 1994 - 2001 |
| Pontiac | Firebird | 5.0 / 5.7 | 1998 - 2002 |
2 year performance guarantee.
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!)
FAQ
We always reccomend a big 3 kit for every vehicle, regardless of the system. However, if you plan on running more than 1,500 watts we reccomend a good AGM battery underhood, and then from there more power will need more electrical upgrades depending on power.
