I'm selling the stock 105amp Delphi alternator that came off my 2001 GMC Sierra Z71 5.3 ECSB. Since I own and operate a starter and alternator rebuilding shop in the Kansas City area, I went through this unit (which worked just fine when I took it off the truck- I replaced it with a factory 150amp Delphi alt. because I just installed LS1 cooling fans and a bigger stereo system) and replaced the bearings, brushes, and voltage regulator. It puts out over 135amps at full load on my shop's test bench. Here are all the GM trucks that it will fit:

(2004-03) Cadillac Escalade 5.3L, 6.0L
(2004-01) Chev. Astro, GMC Safari 4.3L
(2004-02) Chev. Avalanche 5.3L, 8.1L
(2004-01) Chev. Express, GMC Savana 4.3L, 5.0L, 5.7L, 6.0L, 6.5L, 8.1L
(2005-99) Chev. Silverado, GMC Sierra 4.3L, 4.8L, 5.3L, 6.0L, 6.5L, 6.6L, 8.1L
(2005-00) Chev. Suburban 5.3L, 6.0L, 8.1L
(2005-00) Chev. Tahoe, GMC Yukon 4.8L, 5.3L, 6.0L, 8.1L


It's exactly like the one I sold to a previous customer from here on PerformanceTrucks.net (check my trader feedback) and I'll take $60.00 shipped for it.

 

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sorry to hyjack but whats the differance in wiring between the stock one and the larger gm one wiring wise...I have one from an 2007 and the plugs dont fit my 2003.
thanks
free bump

 

The 07 alt. must have a different reg. plug on it. I've never seen a 07-08 GM truck alt. yet so I'm just assuming. My alt. will fit your 2003 truck just fine.

 

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C'mon guys....this is less than HALF the price of a new one!

 

up up and away

 

pm sent w/ a few questions