2012 Buick Regal Alternators and Starters

Name: WIRE CONNECTOR
Brand: GM Genuine Parts
SKU: PT2971
Price: 52.99 USD

Below you will find various in-demand Buick Alternators and Starters, components and accessories for your 2012 Regal. Advance Auto Parts has popular Regal parts like Ignition Lock Parts, Starter Parts, Alternator Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Regal model years including 2002, 2003, 2004, 2011, 2013, 2014, 2015, 2016, 2017 and more. Select a category of 2012 Buick Regal Alternators and Starters below and start saving instantly.

Popular 2012 Buick Regal Alternators and Starters Categories

Alternators

Starters

Ignition Lock Cylinders

Alternator Pigtails

Starter Solenoid Connector

Essential Alternators and Starters for 2012 Buick Regals

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$52.99

WIRE CONNECTOR

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$54.99

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:

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

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$121.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading 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 a 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:

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 for fit, form, and function, ensuring reliable performance and compatibility.
100% electronic testing of all critical components and the entire unit guarantees optimal functionality and durability.

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$313.99

The Bosch Premium Starter is engineered for top-tier performance and reliability, making it a dependable choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring 11 teeth, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it delivers consistent power to meet the demands of modern vehicles. Built to Bosch’s high standards, this remanufactured starter undergoes rigorous testing to ensure durability and long-lasting performance. Whether you’re replacing a worn-out starter or upgrading for better reliability, this product offers exceptional value and compatibility with a wide range of vehicles.

Product Features:

Product Features:

Engineered for top-tier performance and reliability, ensuring dependable ignition system operation.
Designed with a clockwise rotation and 11 teeth for precise engagement and smooth functionality.
Operates at 12 VDC to deliver consistent power, meeting the demands of modern vehicles.
Remanufactured to Bosch’s high standards, undergoing rigorous testing for durability and long-lasting performance.
Compatible with a wide range of vehicles, offering exceptional value for replacement or upgrade needs.

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$126.99

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 by an IATF/TS 16949 certified supplier, ensuring adherence to the highest industry standards for quality and reliability.
Entire unit undergoes 100% electronic testing during assembly to guarantee optimal performance and durability.

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$197.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.

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$187.99

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance

Product Features:

High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
High quality components form the foundation our parts are built from. Transpo┐s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
Integrated magnetic switch provides protection against weak power from batteries.
Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf

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$139.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.

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$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:

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

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$4.29

BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:

Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product

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$3.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.

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$20.99

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

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$4.99

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

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$175.99

Experience the reliability and performance of this 100 Amp New Alternator by WAI, a trusted name in aftermarket parts. Engineered to meet or exceed OEM specifications, this alternator ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. The low saturation voltage minimizes heat dissipation, enhancing durability and performance. Featuring a high-power rectifier assembly with open junction press-fit diodes, this unit is designed to run cooler and last longer. Each alternator comes with a printed copy of test results, giving you confidence in its quality and functionality from the very first use. Built for superior performance and long-lasting dependability, this alternator is an excellent choice for keeping your vehicle powered and running smoothly.

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
Designed for superior durability and long-lasting performance, ensuring reliable operation to keep your vehicle powered and running smoothly.

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$81.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading 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 a 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:

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

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$132.99

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

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$352.99

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

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$101.99

The Bosch Premium Alternator, delivering 63 amps at 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous 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. Designed with a clockwise rotation direction, it is built to seamlessly integrate into your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch alternator offers unmatched 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.
Seamlessly integrates with your vehicle’s electrical system, ensuring optimal compatibility and performance.
Engineered for dependable operation under demanding conditions, providing reliable power delivery when you need it most.

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$163.99

Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators 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
All new components are utilized to ensure long service life
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
Internal electronics are upgraded for heavy duty reliability (where applicable)
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
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
Rotors and stators are load tested and double insulated for maximum charging performance

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$479.99

The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Designed with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Featuring premium rare earth magnets, it achieves superior efficiency by increasing output without enlarging its size. Engineered for exact fit with application-specific parts, it guarantees seamless compatibility and hassle-free installation. With an amperage rating of 130 A and a voltage of 12 VDC, this alternator is built to handle demanding electrical loads. Rigorous testing under extreme conditions for up to six months ensures its reliability in harsh environments, while its resistance to heat, vibration, and contaminants maintains maximum charge output. As the original equipment part now available in the aftermarket, Valeo’s alternator combines innovation and quality to boost fuel economy and eliminate voltage drops, delivering unmatched value to your vehicle.

Product Features:

Valeo premium alternators are 100% new products (not remanufactured)
100% new components and core eliminates premature failure for increased durability over remanufactured units
All parts are application specific for an exact fit
Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
Part Number 849116 is the original equipment part now available in the aftermarket.

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$40.99

Ignition Lock Cylinder with Key

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$18.79

The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$28.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$27.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$92.99

GM Genuine Parts Ignition Lock Cylinders are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These cylindrical tumblers are used to help power on and start your vehicle. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Helps power on and start your vehicle
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies
Collision parts are designed to help promote proper and safe repair

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$138.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$25.05

LockSmart® is a specialized aftermarket lock brand featuring door, trunk, and ignition lock cylinders. LockSmart® provides OE fit, form, and function locks across domestic and import applications for both late and older model vehicles.

Product Features:

Direct-fit OE replacement ignition lock cylinder ensures effective start of engine energy supply
Constructed from high-grade materials to ensure durability and longevity
Undergoes 100% testing for proper fit, form, and function
As a global manufacturer, we maintain complete quality control throughout the manufacturing process

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$64.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

Upgrade your 2012 Buick Regal with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2012 Buick Regal, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Buick or enhancing its overall performance, Alternators and Starters are key to keeping your Regal functioning at its best. At Advance Auto Parts, we offer a wide selection of 18 Alternators and Starters for the 2012 Buick Regal, designed to meet your needs without breaking the bank. From Ignition Lock Part replacements to Starter Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2012 Buick Regal at great prices. Our Alternators and Starters inventory for this model ranges from just $46.99 to $695.99, with an average price of $222.64. Our 18 Alternators and Starters in stock come from 7 trusted brands, so you’re sure to find the right part for your 2012 Buick Regal without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2012 Buick Regal, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Premium, and more. Carquest Premium Alternators and Starters start at just $145.99 and boast an impressive 4.4 stars average rating from customers. With 335 customer reviews and counting, our 2012 Buick Regal Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2012 Buick Regal is always ready to roll. We’re committed to providing you with everything you need to keep your Regal in top shape, all in one place. Start shopping confidently below for your 2012 Buick Regal!

Best-Selling Ignition Lock Parts for 2012 Buick Regals

Enhance the driving experience in your Buick with 1 quality Ignition Lock Part components, starting at $53.99.

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from

$53.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

Most Popular 2012 Buick Regal Starter Parts

Customize your Buick with 6 Starter Parts products like Starters and Starter Solenoid Connector, all priced under $273.99.

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from

$145.99

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 for fit, form, and function, ensuring reliable performance and compatibility.
100% electronic testing of all critical components and the entire unit guarantees optimal functionality and durability.

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$107.99

Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. 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 OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
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 OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance

from

$273.99

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

from

$139.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.

from

$254.99

GM Genuine Parts Starter Motors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These starters consist of a powerful motor coupled to the starter drive pinion. The starter drive pinion engages the engine flywheel to crank the engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Newly manufactured as an exact replacement for your GM vehicle’s original starter
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$52.99

WIRE CONNECTOR

Top Picks for 2012 Buick Regal Alternator Parts

Upgrade Buick Regals with top-quality Alternator Parts parts, including 11 OEM and aftermarket selections for your 2012 model.

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from

$262.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading 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 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
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

from

$241.99

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

from

$46.99

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

from

$368.99

GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle’s electrical systems and charge the battery while the engine is running. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Newly manufactured as an exact replacement for your GM vehicle’s original alternator
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$321.99

This 120-amp alternator from WAI is a top-tier choice for reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection shields against transient voltage spikes, safeguarding your battery and ensuring seamless communication with the ECU. The low saturation voltage minimizes heat dissipation, enhancing overall efficiency. Featuring a high-power rectifier assembly with robust open junction press-fit diodes, this alternator is designed to run cooler and last longer. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the very first use. Whether you’re upgrading or replacing, this alternator delivers exceptional value and peace of mind.

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
Designed for enhanced durability, this alternator features advanced engineering to ensure long-lasting performance under demanding conditions.

from

$314.99

Valeo’s premium alternator, delivering 130 amps and operating at 12 VDC, is a standout choice for reliable electrical performance. Built entirely with new components, this alternator eliminates the risk of premature failure, offering superior durability compared to remanufactured units. Designed with application-specific parts for an exact fit, it ensures seamless integration into your vehicle’s electrical system. Featuring premium rare earth magnets, it maximizes output efficiency without increasing size, making it a compact yet powerful solution. Tested under extreme conditions for up to six months, this alternator is engineered to withstand heat, vibration, and contaminants, ensuring consistent performance even in the harshest environments. With a clockwise rotation direction and original equipment quality, Part Number 849114 is now available in the aftermarket, providing the same trusted reliability as factory-installed components. Ideal for maintaining maximum charge output, this Valeo alternator is a smart investment for boosting fuel economy and eliminating voltage drops.

Product Features:

Valeo premium alternators are 100% new products (not remanufactured)
100% new components and core eliminates premature failure for increased durability over remanufactured units
All parts are application specific for an exact fit
Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
Part Number 849114 is the original equipment part now available in the aftermarket.

from

$695.99

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
All new components are utilized to ensure long service life
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
Internal electronics are upgraded for heavy duty reliability (where applicable)
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
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
Rotors and stators are load tested and double insulated for maximum charging performance

from

$502.99

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

from

$479.99

Valeo premium alternators are 100% new products (not remanufactured)
100% new components and core eliminates premature failure for increased durability over remanufactured units
All parts are application specific for an exact fit
Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
Part Number 849116 is the original equipment part now available in the aftermarket.

from

$428.99

The Bosch Premium Alternator, remanufactured to deliver 120 amps at 12 VDC, is engineered for peak performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent power delivery for demanding electrical systems. Unlike rebuilt units, it is 100% factory tested and remanufactured using high-quality materials and advanced technology, guaranteeing durability and long-lasting operation. Designed with a clockwise rotation direction, it seamlessly integrates into compatible systems, making it a dependable choice for maintaining your vehicle’s electrical efficiency. Built to Bosch’s exacting specifications, this alternator offers exceptional value and peace of mind for drivers seeking reliable 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.
Seamlessly integrates with compatible systems, ensuring optimal electrical efficiency and dependable operation.

from

$242.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading 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 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
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

Top-Rated Alternators and Starters Brands For Your 2012 Buick Regal

Shop for the best-rated brands offering Alternators and Starters and other products for your 2012 Buick Regals. Below you’ll find some of our best rated Alternators and Starters from Carquest Premium, and more. Alternators and Starters from these brands that fit a 2012 Regal start at just $145.99 and are rated as high as 4.4 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 2012 Buick Regal Alternators and Starters

When it comes to maintaining or upgrading your 2012 Buick Regal, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Alternators and Starters, specifically designed for the 2012 Buick Regal. With over 1 Carquest Premium brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $145.99. Plus, with over 64 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $145.99

(64)

Starter: Remanufactured, Limited Lifetime Warranty

“Relatively easy install on my chevy cobalt. Been using it for a few weeks now, starts up beautifully.”

FAQs for 2012 Buick Regal Alternators and Starters

Which Alternators and Starters are best-sellers for 2012 Buick Regals?

Out of 18 Alternators and Starters that fit 2012 Buick Regals, the following parts are the top sellers:

Starter: Remanufactured, 1 Year Limited Warranty (12516793) – $107.99
Starter: New, Limited Lifetime Warranty (12243069) – $273.99
Starter: 1.2kW/12 Volt, CW, 9-Tooth Pinion (12157869) – $139.99

What’s the price range for 2012 Buick Regal Alternators and Starters?

Alternators and Starter prices for the 2012 Buick Regal start at $46.99 and go up to $695.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2012 Buick Regal?

The average price for Alternators and Starters for the 2012 Buick Regal is $222.64. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternators and Starters for other Buick Regal model years?

Yes, we currently carry Alternators and Starters for 37 model years of Buick Regals between 1973 and 2017. Alternators and Starters are bought most frequently for the following model years: 2017, 2016, 2015, 2014, 2013, 2011, 2004, 2003, and 2002.

What are the cheapest Alternators and Starters for my 2012 Buick Regal?

The cheapest 2012 Buick Regal Alternators and Starters we carry in stock are:

Multi-Use Connector (12441205) – $46.99
WIRE CONNECTOR (50130729) – $52.99
Ignition Lock Cylinder (12548203) – $53.99
Starter: Remanufactured, 1 Year Limited Warranty (12516793) – $107.99
Starter: 1.2kW/12 Volt, CW, 9-Tooth Pinion (12157869) – $139.99

What are the top-rated Alternators and Starters that fit the 2012 Buick Regal?

Out of 335 reviews by customers, our 2012 Buick Regal Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2012 Buick Regal and their top-rated products:

Starter Parts
- Starter: Remanufactured, Limited Lifetime Warranty (10453753) – $145.99
Alternator Parts
- Starter: Remanufactured, Limited Lifetime Warranty (10453753) – $145.99

What types of Alternators and Starters do you sell for my 2012 Buick Regal?

As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2012 Buick Regal:

Can I get help with 2012 Buick Regal Alternators and Starter orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Buick Alternators and Starters and more.

What is your return policy for Buick Regal Alternators and Starters?

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

2012 Buick Regal Alternators and Starters

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

GM Genuine Parts – 5-Way Female Black Multi-Purpose Pigtail (Part No.PT1332)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6415S)

Bosch – Starter: Remanufactured (Part No.SR8671X)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6473S)

WAI – Starter: 1.5kW/12 Volt, CW, 11-Tooth Pinion (Part No.6455N)

Carquest HD Electrical – Starter: New, 12V, 9 Tooth (Part No.72-3510N)

WAI – Starter: 1.2kW/12 Volt, CW, 9-Tooth Pinion (Part No.6947N)

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

Carquest – Alternator Electrical Connector (Part No.PT68)

Carquest Premium – Multi-Use Connector (Part No.PTA1097)

Carquest Premium – Multi-Use Connector (Part No.PTA1047)

Carquest Premium – Multi-Use Connector (Part No.PTA1031)

WAI – Delco Ir/Ef 100 Amp/12 Volt, Cw, W/O Pulley, Limited Lifetime Warranty (Part No.7157MN)

Carquest Premium – Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty (Part No.7127-3A)

Carquest Premium – Alternator: Remanufactured, 78 Amps, Limited Lifetime Warranty (Part No.7273-6A)

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

Bosch – Alternator: Remanufactured, 63 Amps, 2 Year Limited Warranty (Part No.AL531X)

Carquest Professional – Alternator: New, 100 Amps, Limited Lifetime Warranty (Part No.8156AN)

Valeo – Alternator: New, 130 Amps (Part No.849116)

GM Genuine Parts – Ignition Lock Cylinder with Key (Part No.D1402B)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA1535)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA1672)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1733)

GM Genuine Parts – Ignition Lock Cylinder: Keys Included, Mounting Hardware Not Included (Part No.D1456C)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1607)

Locksmart – Ignition Lock Cylinder (Part No.LC14280)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA1634)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC2372)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6947S)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6947SV)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6947SN)

WAI – Starter: 1.2kW/12 Volt, CW, 9-Tooth Pinion (Part No.6947N)

GM Genuine Parts – Starter: New (Part No.12609317)

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

Carquest Premium – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.11459A)

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.11650A)

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

GM Genuine Parts – Alternator: New, 120 Amps, 2 Year Limited Warranty (Part No.13588324)

WAI – Alternator: New, 120 Amps (Part No.11459N)

Valeo – Alternator: New, 130 Amps (Part No.849114)

Carquest Professional – Alternator: New, 125 Amps, Limited Lifetime Warranty (Part No.11313AN)

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.11696A)

Valeo – Alternator: New, 130 Amps (Part No.849116)

Bosch – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.AL8880X)

Carquest Premium – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.11313A)