2003 Cadillac CTS Alternator Parts
Keep Your 2003 Cadillac CTS in Top Shape with a Quality Alternator Part
When it comes to maintaining or upgrading your 2003 Cadillac CTS, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Alternator Part for your CTS. We currently carry a top Alternator Part in stock that is built to last. Whether you’re replacing a damaged Alternator Part or looking to upgrade, our selection for the 2003 Cadillac CTS ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.
Explore Related Parts
And while you’re here, don’t forget to check out related part categories like Starter Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2003 Cadillac CTS running smoothly and looking great.
Find Your Specific 2003 Cadillac CTS Alternator Parts
Looking for the perfect Alternator Part for your 2003 Cadillac CTS? You’re in the right place. Below, you’ll find a Alternator Part from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Alternator Parts, ensuring durability and a precise fit for your Cadillac CTS. Whether you’re driving a 2003 model or another popular model year like
2011,
2012,
2013,
2014,
2015,
2016,
2017,
2018, and
2019, we’ve got you covered. Purchasing Alternator Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Alternator Parts that fit your vehicle.
Essential 2003 Cadillac CTS Alternator Parts
Carquest Premium – Multi-Use Connector (Part No.PTA1229)
from
$46.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2044)
from
$42.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
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Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Multi-Use Connector (Part No.PTA1482)
from
$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Popular 2003 Cadillac CTS Alternator Parts Categories
Most Popular Alternator Pigtail for 2003 Cadillac CTSs
Enhance your 2003 Cadillac CTS with this popular Alternator Pigtail we have in stock, for $33.99.
Carquest Premium – Multi-Use Connector (Part No.PTA1482)
from
$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
FAQs for 2003 Cadillac CTS Alternator Parts
What’s the price range for 2003 Cadillac CTS Alternator Parts?
We currently have just one Alternator Parts for the 2003 Cadillac CTS in stock: Multi-Use Connector and it costs $33.99.
Does Advance Auto Parts sell Alternator Parts for other Cadillac CTS model years?
Does Advance Auto Parts sell Alternator Parts for any other 2003 Cadillac models?
Yes. We stock Alternator Parts for 4 other popular 2003 Cadillac models. Some of the most popular are 2003 Escalade Alternator Parts, 2003 Escalade ESV Alternator Parts, 2003 Escalade EXT Alternator Parts, 2003 DeVille Alternator Parts, and 2003 Seville Alternator Parts.
What types of Alternator Parts do you sell for my 2003 Cadillac CTS?
We currently have just 1 Alternator Part in stock for a 2003 Cadillac CTS, and as of 11/2/25, it is an Alternator Pigtail.
Can I get help with 2003 Cadillac CTS Alternator Part orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Alternator Parts and more.
What is your return policy for Cadillac CTS Alternator Parts?
Advance Auto Parts keeps returns simple. For new Cadillac CTS Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.