What is the max. Amperage output? Will this fit 97 gmc sierra k2500 5.7 lit.?

The Max should be 130 Amps , just make sure that the pigtail plugs in the correct position.You might want to go to the autp parts store to make sure this alternator is the correct one. The model you are asking about is the 105 amps.

Does it fit a 2003 chevy silverado ls 4.8

Bottom line,, it should.. I used it on a 6.0 gas, I bet the voltage will be a little different on the 4.8, Might fry up some of your electronics??? I'd keep looking try to find definite 4.8 fit

Is there a core charge ?

There was no core charge but I have to say these are made in China. The one they sent me was defective so I went with a car quest reman one andd have had no problems. Sent the ac delco back.

Had one of these installed and was defective. Amazon does not rebate installation charge when their auto parts are faulty. Why?

I had one go bad as well but I changed it myself and Amazon refunded the price of the part

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S**.

works great, 3 years old still good

22.01.2025

T**N

Like others mentioned, this new alternator does NOT have the raised “Delco” casting. It’s just how things are anymore. Most everything I buy, minus belts, seem to be made wherever anymore. So I don’t know how you guarantee build quality. Having said all that…here’s what I know. Local part houses have house brand reman alternators for $40-110 MORE than this NEW alternator. No core charge online. Local parts ranged in country of origin vary too….even within the same brand! So I bet on new AC Delco. Figure it’s a crap shoot so why not save some cash on a “traditionally solid” brand instead of reman house brand. Worked right away. No noises, 14.4 volts. I am satisfied with this purchase. No comment on longevity…my 2003 Suburban 5.3 got 201,000 out of the original Delco!!! I love my truck. If this gives me trouble I’ll update my post. Just really don’t like house brand remanufacturing Hope this helps others out. I don’t see parts suppliers improving…so this is my logic for keeping my truck on the road.. Pics of new one, pics of old one. For perfectly. Never grind ears down. Tap the spacers towards the front of the truck once you pry old alt out. Then new alt slips in easy. Tightening the two bolts will bring spacers back tight against alt. It’s a great system! Chevy built great drivelines in 2000-2006.

8.07.2025

G**Z

Really nice looking alternator, very simple install. functional & good voltage power, worth the value. Kepps battery charged very well. Fits perfect on any Chevy with a 105amp alternator. ----2003 Silverado 1500 4x4, 5.3 LS---- 1 - Pop open beer... 2- remove air filter 3- loosen the belt ( belt tensioner ) ( 15mm ) 4- remove the 2 screws through the front ( 15mm ) 5- might need to use crowbar to lift out old alternator / put in new one 6- unplug the 2 plugs in back 7- replace with new alternator ( might need some massaging to put in ) 8- do step 6 -through 1 to finish install

13.04.2025

J**R

Installed the alternator and fit perfectly as advertised I’m very happy with

15.12.2024

I**E

Works as new not reman alternater should Good value

18.02.2024

ASIN	B007QBR5TA
Brand	ACDelco
Customer Reviews	4.3 4.3 out of 5 stars (1,127)
Date First Available	1 January 2024
Exterior	Machined
Item Weight	5.28 Kilograms
Item model number	335-1086
Manufacturer	ACDELCO
Manufacturer Part Number	88877296
Model	Alternator
OEM Part Number	88877296
Product Dimensions	19.81 x 18.54 x 17.27 cm; 5.28 kg

Acdelco 335-1086 Professional Alternator

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