2003 Buick Regal Alternators and Starters
Find Your Specific 2003 Buick Regal Alternators and Starters
Below you will find various in-demand Buick Alternators and Starters, components and accessories for your 2003 Regal. Advance Auto Parts has popular Regal parts like Alternator Parts, Starter Parts, Ignition Lock Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Regal model years including
2002,
2004,
2011,
2012,
2013,
2014,
2015,
2016,
2017 and more. Select a category of 2003 Buick Regal Alternators and Starters below and start saving instantly.
Popular 2003 Buick Regal Alternators and Starters Categories
Essential Alternators and Starters for 2003 Buick Regals
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.3510S)
from
$84.99
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:
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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.
Product Features:
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6947S)
from
$145.99
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:
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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.
Product Features:
Carquest HD Electrical – Starter: New, 12V, 11 Tooth (Part No.72-3510N-PG)
from
$189.99
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
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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
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6473SN)
from
$152.99
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:
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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
Product Features:
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.3631SN)
from
$171.99
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:
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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
Product Features:
Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)
from
$5.79
This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Standard – Alternator: Remanufactured, 63 Amps, 1 Year Limited Warranty (Part No.P7127SEAV)
from
$124.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators 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:
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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
Carquest HD Electrical – Alternator: New, 94 Amps, With Pulley (Part No.71-7294-3N)
from
$197.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri
Product Features:
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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.
- 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
- Load dump protection ensures transient voltage spikes do not damage transistor
- Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
Bosch – Alternator: Remanufactured, 55 Amps, 2 Year Limited Warranty (Part No.AL532X)
from
$108.99
The Bosch Premium Alternator is engineered for top-tier performance and reliability, making it a dependable choice for your vehicle’s electrical system. This remanufactured unit is not just rebuilt but meticulously crafted using high-quality materials and advanced technology to ensure long-lasting durability. With a 55-amp output and 12 VDC voltage rating, it delivers consistent power to meet your vehicle’s demands. Full-load and 100% factory testing guarantee compliance with Bosch’s stringent performance standards, so you can trust its reliability under various conditions. Designed for clockwise rotation, this alternator is a perfect fit for vehicles requiring precision and efficiency. Choose Bosch for a premium solution that combines functionality, durability, and value.
Product Features:
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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.
- Designed for precision and efficiency, ensuring optimal performance for vehicles requiring clockwise rotation.
- Delivers consistent 55-amp output to reliably meet the electrical demands of your vehicle.
Product Features:
Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42008A)
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:
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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
Product Features:
Bosch – Alternator: New, 78 Amps (Part No.AL547N)
from
$203.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding driving conditions. Engineered with 100% new components, it is built to endure the harshest environments, ensuring optimal functionality and an extended lifespan. Designed to handle excessive heat and high electrical demands, this alternator is perfect for modern vehicles with advanced electrical systems. With a robust 78-amp output and 12 VDC voltage, it provides consistent power to keep your vehicle running smoothly. Precision-crafted mounting points are gauged, resized, or rethreaded for a perfect fit, ensuring hassle-free installation. Additionally, the purchase includes free 24-hour Roadside Assistance Protection, adding extra value and peace of mind. For drivers seeking durability, reliability, and superior performance, this alternator is an excellent investment.
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Product Features:
- 100% new components withstand the harshest environments for the best performance and longest life
- Built specifically to withstand excessive heat and high electrical demands.
- All mounting points 100% gauged and resized or rethreaded for proper fit
- Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
- Designed to deliver consistent and reliable power output, the 78-amp capacity ensures optimal performance for modern vehicles with advanced electrical systems.
Product Features:
Carquest Premium – Alternator: Remanufactured, 70 Amps, Limited Lifetime Warranty (Part No.7137-3A)
from
$189.99
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:
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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
Product Features:
Carquest Premium – Alternator: Remanufactured, 78 Amps, Limited Lifetime Warranty (Part No.7273-9A)
from
$110.99
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:
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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
GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)
from
$52.99
WIRE CONNECTOR
GM Genuine Parts – 5-Way Female Black Multi-Purpose Pigtail (Part No.PT1332)
from
$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.
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Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Ignition Lock Cylinder (Part No.CSA1634)
from
$64.99
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.
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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.
Carquest Premium – Ignition Lock Cylinder (Part No.CSC1607)
from
$138.99
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:
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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.
Carquest Premium – Ignition Lock Cylinder (Part No.CSC1733)
from
$27.99
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:
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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.
Carquest Premium – Ignition Lock Cylinder (Part No.CSA1672)
from
$28.99
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:
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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.
Carquest Premium – Ignition Lock Cylinder (Part No.CSA1883)
from
$20.99
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:
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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.
Carquest Premium – Ignition Lock Cylinder (Part No.CSC2372)
from
$53.99
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:
See More
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.
Dorman – Ignition Lock Cylinder Assembly (Part No.924-898)
from
$143.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.
Product Features:
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Product Features:
- Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
- Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
GM Genuine Parts – Ignition Lock Cylinder: Keys Included, Mounting Hardware Not Included (Part No.D1456C)
from
$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).
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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
Dorman – Ignition Lock Cylinder: Two Keys Included (Part No.989-006)
from
$34.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.
Product Features:
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Product Features:
- Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
- Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Ignition Lock Cylinder Assembly (Part No.924-892)
from
$22.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.
Product Features:
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Product Features:
- Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
- Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – Ignition Lock Cylinder Assembly (Part No.924-894)
from
$47.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.
Product Features:
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Product Features:
- Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
- Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
GM Genuine Parts – Ignition Lock Cylinder with Key (Part No.D1402B)
Locksmart – Ignition Lock Cylinder (Part No.LC14280)
from
$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.
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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
Upgrade your 2003 Buick Regal with Top-Quality Alternators and Starters
When it comes to maintaining or upgrading your 2003 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 12 Alternators and Starters for the 2003 Buick Regal, designed to meet your needs without breaking the bank.
From
Alternator 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 2003 Buick Regal at great prices.
Our Alternators and Starters inventory for this model
ranges from just $5.79 to $347.27, with
an average price of $162.95.
Our 12 Alternators and Starters in stock come from 7 trusted brands, so you’re sure to find the right part for your 2003 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 2003 Buick Regal, we stock popular OEM and aftermarket Alternators and Starters from top names
like Carquest Professional, Carquest Premium, Carquest, and more.
Carquest Professional Alternators and Starters
start at just $193.99 and boast an impressive 4.5 stars average rating from customers.
Carquest Premium and Carquest also bring quality to the table, with Alternators and Starters available starting at $135.99, and at an average 4.4 stars rating.
With 171 customer reviews and counting, our 2003 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 2003 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 2003 Buick Regal!
Best-Selling Alternator Parts for 2003 Buick Regals
Enhance the driving experience in your Buick with 2 quality Alternator Part components, starting at $212.99.
Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.8287A)
from
$212.99
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:
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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
Bosch – Alternator: New, 125 Amps (Part No.F4000128935BOS)
from
$347.27
Bosch has been a major supplier of new alternators and starters to OE vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators and starters. Whether 100% remanufactured or new, Bosch Premium Alternators and Starters are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions. That’s why they are preferred by more professional installers.
Product Features:
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Product Features:
- Built with original equipment quality components to withstand excessive heat and high electrical demand
- Identical in fit and performance to the OE parts they replace
- The perfect solution for certain problematic late-model applications that place an extreme burden on unit components in a high-heat environment
- 100% full-load tested for proven starting/charging performance
- Lifetime warranty
Most Popular 2003 Buick Regal Starter Parts
Customize your Buick with 7 Starter Parts products
like Starters,
Starter Bolts, and
Starter Solenoid Connector, all
priced under $246.99.
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6484S)
from
$176.99
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:
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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.
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6484SN)
from
$193.99
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:
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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
Carquest Professional – Starter: New (Part No.6431SN)
from
$246.99
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:
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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
Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6484SV)
from
$135.99
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:
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Product Features:
- Built to meet OE quality in fit, form, and function.
- Units are rebuilt with critical parts and components that are 100% new.
- 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
- 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
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6472S)
from
$207.99
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:
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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
- 100% remanufactured drive clutch assembly ensures lasting performance
- Armatures and commutators are 100% load tested
- New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
- 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
Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)
from
$5.79
This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
GM Genuine Parts – 5-Way Female Black Multi-Purpose Pigtail (Part No.PT1332)
from
$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:
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Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Top Picks for 2003 Buick Regal Ignition Lock Parts
Upgrade Buick Regals with top-quality Ignition Lock Parts parts, including 3 OEM and aftermarket selections for your 2003 model.
ACDelco – Ignition Lock Cylinder with Key (Part No.D1492C)
from
$162.99
An ACDelco GM Original Equipment Ignition Lock Cylinder is a GM-recommended replacement for your vehicle’s original component. The ignition lock cylinder is where you insert and turn the key to start the vehicle. When the correct key is inserted, the cylinder is unlocked and can be rotated. The ignition lock cylinder is connected to the ignition switch, and it also engages and disengages the steering column lock. This original equipment ignition lock cylinder has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
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Product Features:
- This part requires programming andor special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Ignition Lock Cylinder (Part No.CSC1607)
from
$138.99
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:
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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.
Dorman – Ignition Lock Cylinder Assembly (Part No.924-898)
from
$143.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.
Product Features:
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Product Features:
- Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
- Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Top-Rated Alternators and Starters Brands For Your 2003 Buick Regal
Shop for the best-rated brands offering Alternators and Starters and other products for your 2003 Buick Regals. Below you’ll find some of our best rated Alternators and Starters from Carquest Professional, Carquest Premium, and Carquest, and more. Alternators and Starters from these brands that fit a 2003 Regal start at just $135.99 and are rated as high as 4.5 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Professional 2003 Buick Regal Alternators and Starters
When it comes to maintaining or upgrading your 2003 Buick Regal, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Professional ticks all of those boxes. We offer a wide selection of Carquest Professional Alternators and Starters, specifically designed for the 2003 Buick Regal. With over 2 Carquest Professional 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 $193.99, with an average price of just $220.49. Plus, with over 29 customer reviews and an average rating of 4.5 stars, you can trust that our Carquest Professional 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
$246.99
(3)
Starter: New
“Installed on my 98 Grand Prix. Been over 2 years and still works great. Car is not a daily driver so there were times in the dead of winter that it sa”
Popular Carquest Premium 2003 Buick Regal Alternators and Starters
Carquest Premium auto parts is one of the highest quality Alternators and Starter brands in the market. Any 2003 Buick Regal owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Regal, Advance Auto Parts carries a full inventory of 2 Carquest Premium Alternators and Starters. Plus you will be keeping your Buick in peak condition while saving money because prices on these Carquest Premium Alternators and Starters range from $176.99 to $212.99, plus, with more than 96 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Alternators and Starters below will deliver on both quality and value.
from
$212.99
(27)
Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty
“Easy to install, works great for the price. Great solution for an older car. Part looked super clean.”
FAQs for 2003 Buick Regal Alternators and Starters
Which Alternators and Starters are best-sellers for 2003 Buick Regals?
Out of 12 Alternators and Starters that fit 2003 Buick Regals, the following parts are the top sellers:
- Starter: Remanufactured, 1 Year Limited Warranty (20460005) – $135.99
- Starter Mounting Bolt, Type 1 Long (11839849) – $5.79
- Ignition Lock Cylinder with Key (18057446) – $162.99
What’s the price range for 2003 Buick Regal Alternators and Starters?
Alternators and Starter prices for the 2003 Buick Regal start at $5.79 and go up to $347.27 for the most premium parts.
What’s the average price of a Alternators and Starter for a 2003 Buick Regal?
The average price for Alternators and Starters for the 2003 Buick Regal is $162.95. 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?
What are the cheapest Alternators and Starters for my 2003 Buick Regal?
The cheapest 2003 Buick Regal Alternators and Starters we carry in stock are:
- Starter Mounting Bolt, Type 1 Long (11839849) – $5.79
- 5-Way Female Black Multi-Purpose Pigtail (11895200) – $54.99
- Starter: Remanufactured, 1 Year Limited Warranty (20460005) – $135.99
- Ignition Lock Cylinder (12526203) – $138.99
- Ignition Lock Cylinder Assembly (50210494) – $143.99
What are the top-rated Alternators and Starters that fit the 2003 Buick Regal?
Out of 171 reviews by customers, our 2003 Buick Regal Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2003 Buick Regal and their top-rated products:
- Alternator Parts
- Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (19210097) – $212.99
- Starter Parts
- Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (19210097) – $212.99
What types of Alternators and Starters do you sell for my 2003 Buick Regal?
As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2003 Buick Regal:
Can I get help with 2003 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.
