Cadillac STS Alternators and Starters

Please Select your Vehicle to See Exact Fit Parts

Essential Cadillac STS Alternators and Starters

Carquest Premium – Multi-Use Connector (Part No.PTA1229)

Multi-Use Connector

from

$51.99
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:
  • 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
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1088)

Multi-Use Connector

from

$48.49
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:
  • 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
See More

Bosch – Starter: Remanufactured (Part No.SR8598X)

Starter: Remanufactured

from

$192.99
Bosch Premium Starters deliver exceptional performance and reliability, making them a trusted choice for your vehicle’s starting system. Designed with precision, this remanufactured starter features a clockwise (right) rotation and a 9-tooth configuration, ensuring seamless compatibility with your engine’s requirements. Operating at 12 VDC, it provides consistent and efficient power to get your vehicle running smoothly every time. Built and tested to meet the highest standards, this starter offers durability and long-lasting performance, making it a valuable investment for your vehicle. Whether you’re replacing a worn-out starter or upgrading for better reliability, Bosch Premium Starters are engineered to exceed expectations.

Product Features:


    Product Features:
    • Remanufactured with precision engineering to ensure optimal compatibility and performance with your vehicle’s starting system.
    • Designed with a 9-tooth configuration for seamless integration with your engine’s requirements.
    • Operates at 12 VDC to deliver consistent and efficient power for reliable vehicle startups.
    • Built to meet the highest standards of durability, ensuring long-lasting and dependable performance.
    • Tested rigorously to provide exceptional reliability, making it a trusted choice for replacing or upgrading your starter.
See More

Bosch – Starter: Remanufactured (Part No.SR8646X)

Starter: Remanufactured

from

$223.99
Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability

Product Features:
  • Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
  • Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
  • Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
  • Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life
  • Automotive starters and alternators are backed by the Bosch Ultimate Protection Plan when unit is registered at the time of purchase: 2 year, 24 hour Roadside assistance; vehicle is jumped or towed for free up to 50 miles
See More

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6756SN)

Starter: New, Limited Lifetime Warranty

from

$221.99
Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • All new components are utilized to ensure long service life
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Armatures and commutators are 100% load tested
  • 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
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • All new components are utilized to ensure long service life
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Armatures and commutators are 100% load tested
  • 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 – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6471S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$169.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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 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:
    • Each unit is triple-tested to ensure quality and performance
    • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
    • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
    • Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for optimal vehicle performance.
    • 100% electronic testing of critical components and the entire unit guarantees dependable operation and long-lasting durability.
See More

Bosch – Starter: Remanufactured (Part No.SR8660X)

Starter: Remanufactured

from

$208.99
Bosch Premium Starters deliver exceptional performance and reliability, making them a trusted choice for your vehicle’s ignition system. Engineered with precision, this remanufactured starter features a clockwise (right) rotation and a 12-tooth design, ensuring smooth and efficient engagement with your engine. Operating at 12 VDC, it provides consistent power to start your vehicle with ease, even in demanding conditions. Built to meet rigorous testing standards, this starter offers durability and long-lasting functionality, making it a valuable investment for maintaining your vehicle’s performance. Whether you’re replacing a worn-out starter or upgrading for enhanced reliability, Bosch Premium Starters are designed to meet your needs with superior craftsmanship and dependable operation.

Product Features:


    Product Features:
    • Engineered with precision to ensure smooth and efficient engagement with your engine.
    • Operates at 12 VDC to deliver consistent power for reliable vehicle starts, even in demanding conditions.
    • Designed with a 12-tooth configuration for optimal compatibility and performance.
    • Built to meet rigorous testing standards, ensuring durability and long-lasting functionality.
    • Remanufactured with superior craftsmanship to provide exceptional performance and reliability.
See More

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.17996S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$174.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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 warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
See More

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6497SN)

Starter: New, Limited Lifetime Warranty

from

$239.99
Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading 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
    • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
    • All new components are utilized to ensure long service life
    • Internal electronics are upgraded for heavy duty reliability (where applicable)
    • Armatures and commutators are 100% load tested
    • 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.AL8643X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$464.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps at 12 VDC, is engineered for peak performance and reliability. Full-load testing ensures compliance with Bosch’s rigorous performance standards, while 100% factory testing guarantees quality and dependability. Unlike rebuilt units, this alternator is remanufactured using high-quality materials and cutting-edge technology, making it a durable choice for long-term use. Designed with a clockwise rotation direction, it is built to handle demanding electrical loads with ease. Whether you’re upgrading or replacing, this alternator offers exceptional value by combining advanced engineering with proven reliability.

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 to handle demanding electrical loads efficiently, ensuring reliable performance under heavy usage.
    • Designed with a clockwise rotation direction for seamless compatibility and optimal functionality.
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11248A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$266.99
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, 155 Amps, Limited Lifetime Warranty (Part No.11046A)

Alternator: Remanufactured, 155 Amps, Limited Lifetime Warranty

from

$249.99
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 – Multi-Purpose Relay (Part No.RAA1761)

Multi-Purpose Relay

from

$51.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

Helping You Find the Right Alternators and Starters for Your Cadillac STS

You love your STS. So we’ve made it easier than ever to help you find Cadillac STS Alternators and Starters in our online catalog. Our inventory holds 21 aftermarket and OEM Alternators and Starters for your Cadillac STS, ranging from $48.49 to $464.99.

We offer parts from 7 brands trusted to make quality Alternators and Starters for your Cadillac STS. Before you buy, take some time to read through customer reviews. We currently have 452 reviews of Cadillac STS Alternators and Starters from previous customers. Some of the top rated parts include Starter: New, Limited Lifetime Warranty with 1.0 stars.

Find your STS Alternators and Starters here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Cadillac STS part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Alternators and Starters Brands for Your Cadillac STS

Our inventory holds Alternators and Starters for your Cadillac STS from 7 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, GM Genuine, and WAI, all of which can keep that Cadillac happy.
We have GM Genuine Parts parts available for your Cadillac STS in categories like Starter Parts. Some of the top-rated GM Genuine Parts parts in these categories are:
Starter: New
from $236.99
(1)
Starter: New
Starters

Top-Rated Carquest Premium Alternators and Starters

Leading Carquest Premium Alternators and Starters

We carry Carquest Premium brand parts for your Cadillac STS across several catalog categories, including Alternator Parts and Starter Parts. Some of our most reviewed Carquest Premium parts include:

FAQs for Cadillac STS Alternators and Starters

What are the most purchased Alternators and Starters for the Cadillac STS?

Out of 21 Alternators and Starters for the Cadillac STS, the most popular in our inventory are:
Starter: 100% NEW
from $198.99
This product is not rated
Starter: 100% NEW
Starters
Multi-Purpose Relay
from $51.99
This product is not rated
Multi-Purpose Relay
Starter Relays

What are the top-rated Cadillac STS Alternators and Starters?

Top-rated Alternators and Starters for your Cadillac STS based on customer reviews/ratings are:
Starter: New, Limited Lifetime Warranty
from $221.99
(1)
Starter: New, Limited Lifetime Warranty
“Starter didn’t work, had to oay someone $200 bucks to change it because its in the manifold, and it didnt work now i have to pay another 1-2 hundred t”