{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

AC Delco®
84143543 GM Original Equipment Series Alternator New

Tap image and pinch to zoom.
$349.49
$400.08Save: $50.59(13%)
OR
Manufacturer #84143543
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Alternator
Brand:
AC Delco
Location:
Auxiliary
Condition:
New
Quantity Sold:
Sold individually
Warranty:
24-months or unlimited mile AC Delco limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use:
OE Replacement
Series:
GM Original Equipment Series

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2014-2018 Chevrolet Silverado 1500
High Country
8 Cyl 6.2L
L86 Engine, VIN J, Labeled 84143543
2014-2018 Chevrolet Silverado 1500
High Country
8 Cyl 5.3L
L83 Engine, VIN C, Labeled 84143543
2014-2018 Chevrolet Silverado 1500
LT
6 Cyl 4.3L
LV3 Engine, VIN H, Labeled 84143543
2014-2018 Chevrolet Silverado 1500
LT
8 Cyl 5.3L
L83 Engine, VIN C, Labeled 84143543
2014-2018 Chevrolet Silverado 1500
LTZ
8 Cyl 5.3L
L83 Engine, VIN C, Labeled 84143543
Page 1 of 17 | Showing 1 - 5 of 85 results

Product Information

ACDELCO NEW GM ORIGINAL EQUIPMENT ALTERNATORS

Trust ACDelco’s new GM Original Equipment alternators to restore your ride with the precise fit and outstanding quality you can always rely on GM to deliver. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • All-new unit made with sturdy, premium-quality materials for solid fitment and ultimate reliability
  • GM original equipment ensures part is engineered to precise requirements
  • Recommended by GM as exact replacement for stock

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

In the Garage with CarParts.com

Common Car Problems You Shouldn’t Delay Fixing
Is an Alternator Rebuild Worth It?
Car Won’t Start After Getting Gas? Here are the Reasons Why

Product Q&A

0
What's the difference between this alternator (Part# 84143543) and Part# 84143540?  thanks!Brian D.Mar 06, 2024
Best Answer:Hi Brian, I'm glad to assist you. They differ in the fitment based on the engine type and original labeling. We suggest reaching our Sales Team at 1-866-529-0412 with the VIN and part number of your old alternator for them to check on which is the correct one that fits your vehicle. I hope this helps, and we thank you for inquiring.
Arnel E.STAFFMar 06, 2024
0
What is the amperage of the alternator ?Chris C.Jan 02, 2024
Best Answer:Hi Chris, I'm glad to assist you. This is a 150 amp. If you're interested in this alternator, you can click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. I hope this helps, and happy shopping. <a href="https://www.carparts.com/alternator/ac-delco/ac84143543?can=CPAE1047_CSQA_20240102" target="_blank">https://www.carparts.com/alternator/ac-delco/ac84143543?can=CPAE1047_CSQA_20240102</a>
Arnel E.STAFFJan 02, 2024
0
Is the alternator the same for L engines and ones that use 87 octane gas?Rick C.Sep 04, 2023
Best Answer:Hi Rick, thank you for reaching out. We are unable to answer your question accurately due to a lack of information. Kindly call our parts team at 1-866-529-0412 and tell us more about your vehicle. Have a nice day.
Aldrin P.STAFFSep 04, 2023

Customer Reviews

Gm Original Equipment Series Alternator, New
Parts came fast and worked great
Works great have not had any problems. Thanks
Garry D.
VERIFIED PURCHASER
Purchased on Jun 09, 2022
Gm Original Equipment Series Alternator, New
Perfect fit and arrived quickly, couldn't ask for better
Christopher P.
VERIFIED PURCHASER
Purchased on Jun 24, 2023
Gm Original Equipment Series Alternator, New
Great
It was exactly what was advertised and arrived on time and in good shape. Price was good for the actual OEM part.
Dan N.
VERIFIED PURCHASER
Purchased on Apr 16, 2024