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Select your vehicle
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Quality-Built®
8302603N OE Replacement QB Supreme Alternator, New

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$170.99
$191.32Save: $20.33(11%)
Manufacturer #8302603N
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Part:
Alternator
Brand:
Quality-Built
Condition:
New
Amperage Output:
145 Amp
Pulley Type:
Serpentine
Numberof Grooves:
6 Grooves
Quantity Sold:
Sold individually
Warranty:
Lifetime Quality-Built 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
Regulator Style:
Internal
Rotation:
Clockwise
Series:
QB Supreme
Voltage:
12 V

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2005 Chevrolet Avalanche 1500
Base
8 Cyl 5.3L
With Delco 145 Amp Alternator
2005 Chevrolet Silverado 1500
Base
8 Cyl 5.3L
GAS, With Delco 145 Amp Alternator, With 2 Pin Plug
2005 Chevrolet Silverado 1500
Base
6 Cyl 4.3L
With 145 Amp Delco Alternator, With 57mm Diameter Pulley
2005 Chevrolet Silverado 1500
Base
8 Cyl 4.8L
With 145 Amp Delco Alternator, With 57mm Diameter Pulley
2005 Chevrolet Silverado 1500
LS
8 Cyl 6.0L
With 2 Pin Plug, With 145 Amp Delco Alternator
Page 1 of 33 | Showing 1 - 5 of 164 results

Product Information

QUALITY-BUILT ALTERNATORS

Dedication and exceptional attention to detail are constants throughout the life of Quality-Built alternators—from state-of-the-art manufacturing to 100% end-of-line testing and unparalleled roadside support. Choose Quality-Built and rest assured you'll get ultimately reliable performance with each turn of the key. Quality-Built, a division of Motorcar Parts of America, is an automotive aftermarket brand of professional-quality starters and alternators.

  • Choose from QB Premium (completely remanufactured) or QB Supreme (100% new)
  • Engineered to exceptional QS-9000 requirements in ISO/TS 16949 certified facilities for unparalleled reliability
  • 95% of alternator assembled in-house in North America
  • Triple tested (i.e. durability testing, root cause analysis and repeated retesting) to meet or exceed OE standards
  • Get help with installation/tech questions from ASE-certified technicians via toll-free support line
  • Factory-direct warranty assistance offered from Quality-Built/MPA (Motorcar Parts of America)
  • Complimentary 24/7 Quality-Built Roadside Assistance Program (QB-RAP) includes a jump-start or tow for 1 (for QB Premium) or 2 (for QB Supreme) years from the date of purchase
  • Manufactured to deliver professional-installer quality
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.

Product Q&A

0
Is this the 2 oin or 4. Its looks like 2 but wanna double check before ordering?Lisa M.Dec 29, 2022
Best Answer:Hi Lisa, I'm glad to be of assistance to you. This is a 2-pin plug alternator. If interested, use the link below to order at 19% off the regular price today while supplies last. I hope this is helpful. Enjoy your <a href="http://CarParts.com" target="_blank">CarParts.com</a> online shopping experience! <a href="https://www.carparts.com/alternator/quality-built/mpa8302603n?can=CPGG4850_CSQA_20221229" target="_blank">https://www.carparts.com/alternator/quality-built/mpa8302603n?can=CPGG4850_CSQA_20221229</a>
Grace G.STAFFDec 29, 2022
0
Will this replacement alternator fit my 2009 Chevy Silverado 1500 4w drive?LouisJan 22, 2024
Best Answer:Hi Luis, I'm glad to assist you. Yes. It is guaranteed to fit the 2009 Chevy Silverado 15000 4WD 8-cylinder engine. Grab our sale offer and click the link below to buy it today. Happy shopping! <a href="https://www.carparts.com/alternator/quality-built/mpa8302603n?can=cpje1043_CSQA_20240122" target="_blank">https://www.carparts.com/alternator/quality-built/mpa8302603n?can=cpje1043_CSQA_20240122</a>
Jeonino E.STAFFJan 22, 2024
0
yes i have a 2008 GMC  sierra Z71 SLE   with a 5.3 will this Alternator work on my truck and is 145 amp will it work ok or do i need 160 amp? . Thank youCharles H.Nov 12, 2022
Best Answer:Hi Charles, thank you for reaching out. If the ampere rating of your original alternator is 160 amps, then no. This item is for models with 145 amps. Kindly call our parts team at 1-866-529-0412 and provide the complete vehicle information. We'll be more than glad to help you look for the correct part. Have a nice day.
Aldrin P.STAFFNov 12, 2022
0
Does it pump out 145 or 160 amp?Seth M.Oct 26, 2020
Best Answer:Hi Seth, This alternator has an amperage output of 145 Amp.
Grace G.STAFFOct 26, 2020

Customer Reviews

Qb Supreme Alternator, New
Alternator purchase
excellent item and was installed and worked perfectly.
Lukeba E.
VERIFIED PURCHASER
Purchased on Aug 30, 2023
Qb Supreme Alternator, New
Right parts and great price.
My neighbor who gets all his parts from y'all showed me your app and helped me get my parts and they're the right parts I don't get them and then they're wrong and have to send them back thank you
Englishmarie R.
VERIFIED PURCHASER
Purchased on Aug 17, 2022
Qb Supreme Alternator, New
awesome part
Perfect install holding strong and amazing price
Kenneth B.
VERIFIED PURCHASER
Purchased on Aug 31, 2020