2018 Cadillac ATS Alternator Parts

Keep Your 2018 Cadillac ATS in Top Shape with Quality Alternator Parts

Whether you’re repairing or upgrading your Alternator Part, using high-quality parts is key to keeping your 2018 Cadillac ATS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Alternator Parts from Trusted Brands

Looking for a reliable Alternator Part? We’ve got you covered with options from brands you know and trust like Carquest Premium. For example, Carquest Premium Alternator Parts start at just $352.99 with an average 4.4 star rating. With over 12 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac ATS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Cadillac ATS Alternator Part at Advance Auto Parts is around $406.77, with a range that starts at $301.99 and goes up to $646.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Alternator: New, Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty, and Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty start at just $301.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Alternator Pulley Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2018 Cadillac ATS in peak condition, inside and out.

Essential 2018 Cadillac ATS Alternator Parts

Carquest Premium – Alternator: Remanufactured, 180 Amps (Part No.11783A)

Alternator: Remanufactured, 180 Amps

from

$646.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL8860X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$402.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s stringent performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory tested and remanufactured using high-quality materials and cutting-edge technology, guaranteeing long-lasting durability. With a 12 VDC voltage rating and a clockwise rotation direction, it is designed to meet the needs of modern vehicles. Whether you’re replacing a worn-out alternator or upgrading for better performance, this unit offers outstanding value and peace of mind.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered with a 12 VDC voltage rating and clockwise rotation direction to seamlessly integrate with vehicle systems.
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42002A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$414.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL8859X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$301.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps of power, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent operation under demanding conditions. With a 12 VDC voltage rating and a clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Unlike rebuilt units, these alternators are 100% factory tested and remanufactured using high-quality materials and advanced technology, ensuring long-lasting durability. Whether you’re upgrading or replacing, this alternator offers dependable power output and superior craftsmanship, making it a valuable investment for your vehicle’s performance.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
    • Engineered to deliver dependable power output, ensuring consistent performance under demanding conditions.
See More

Carquest Premium – Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty (Part No.11866A)

Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty

from

$451.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42009A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$460.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty (Part No.11867A)

Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty

from

$586.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42008A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$352.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Most Popular Alternators for 2018 Cadillac ATSs

Enhance your 2018 Cadillac ATS with one of the 5 Alternators we have in stock, starting at just $301.99.

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42008A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$352.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps (Part No.11783A)

Alternator: Remanufactured, 180 Amps

from

$646.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty (Part No.11866A)

Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty

from

$451.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

WAI – Alternator: New (Part No.11682N)

Alternator: New

from

$399.99
This 100% new alternator from WAI is expertly crafted to meet or exceed original equipment (OE) manufacturing and performance standards, ensuring a seamless, direct fit for your vehicle. Designed for hassle-free installation, it features a plug-and-play setup with no need for technical programming. Built with precision-engineered, high-grade materials, this alternator delivers exceptional durability, superior performance, and a longer lifespan. Premium components, including high-quality bearings, brushes, and a premium pulley, ensure reliable, long-lasting operation. Each unit undergoes rigorous testing and validation against comprehensive protocols, with an end-of-line testing report to guarantee quality. With no core returns required, you can enjoy a smooth purchasing experience free of handling hassles.

Product Features:


Product Features:
  • 100 percent new – Ensuring quality and performance to meet or exceed OE requirements.
  • NO CORES – No core returns mean no core handling hassles.
  • EASY INSTALLATION – Plug and play installation with no technical programming steps required.
  • PRECISION DESIGN – Precision engineered parts manufactured with high-grade materials deliver superior fit, performance and longer life.
  • PREMIUM COMPONENTS – High-quality bearings, premium brushes and premium pulley provide long-lasting performance.
  • RIGOROUSLY TESTED – Each unit is tested and validated against a comprehensive list of test protocols with an end of line testing report
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL8859X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$301.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps of power, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent operation under demanding conditions. With a 12 VDC voltage rating and a clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Unlike rebuilt units, these alternators are 100% factory tested and remanufactured using high-quality materials and advanced technology, ensuring long-lasting durability. Whether you’re upgrading or replacing, this alternator offers dependable power output and superior craftsmanship, making it a valuable investment for your vehicle’s performance.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
  • Engineered to deliver dependable power output, ensuring consistent performance under demanding conditions.
See More

Top-Rated Alternator Part Brands For Your 2018 Cadillac ATS

When it comes to finding the perfect Alternator Part for your 2018 Cadillac ATS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Alternator Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $352.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2018 Cadillac ATS, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2018 Cadillac ATS Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2018 Cadillac ATS, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Alternator Parts. We have 1 Carquest Premium Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $352.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Premium Alternator Parts for the 2018 Cadillac ATS come highly rated, with over 6 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Alternator Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty
from $352.99
(6)
Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty
“As advertised and picked up curbside only minutes after ordering online. Top notch service..”

FAQs for 2018 Cadillac ATS Alternator Parts

What are the best-selling Alternator Parts for 2018 Cadillac ATSs?

Out of 5 Alternator Parts that fit 2018 Cadillac ATSs, the following parts are the top sellers:

What’s the price range for 2018 Cadillac ATS Alternator Parts?

The prices of Alternator Parts for the 2018 Cadillac ATS range from $301.99 up to $646.99 for the most premium parts.

What is the average price of an Alternator Part for a 2018 Cadillac ATS?

The average price for Alternator Parts for the 2018 Cadillac ATS is $406.77. Keep in mind the variety of part types within our Alternator Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternator Parts for other Cadillac ATS model years?

Yes, we carry Alternator Parts for 5 model years of Cadillac ATSs between 2013 and 2019. The following model years are the most popular for Alternator Part purchases: 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Alternator Parts for my 2018 Cadillac ATS?

The cheapest 2018 Cadillac ATS Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2018 Cadillac models?

Yes. We stock Alternator Parts for 6 other popular 2018 Cadillac models. Some of the most popular are 2018 Escalade Alternator Parts, 2018 Escalade ESV Alternator Parts, 2018 CTS Alternator Parts, 2018 XTS Alternator Parts, and 2018 CT6 Alternator Parts.

What are the top-rated Alternator Parts that fit the 2018 Cadillac ATS?

The one 2018 Cadillac ATS Alternator Part we have in stock is the Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty. It costs $301.99.

What types of Alternator Parts do you sell for my 2018 Cadillac ATS?

We currently have just 1 Alternator Part in stock for a 2018 Cadillac ATS, and as of 11/2/25, it is an Alternator.

Can I get help with 2018 Cadillac ATS 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 ATS Alternator Parts?

Advance Auto Parts keeps returns simple. For new Cadillac ATS Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.