2003 Buick Regal Vehicle Doors

Keep Your 2003 Buick Regal in Top Shape with Quality Vehicle Doors

Whether you’re repairing or upgrading your Vehicle Door, using high-quality parts is key to keeping your 2003 Buick Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Door Lock Motors, Interior Door Panels, and Door Molding Retainers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Vehicle Doors from Trusted Brands

Looking for a reliable Vehicle Door? We’ve got you covered with options from brands you know and trust like Dorman and GM Genuine. For example, Dorman Vehicle Doors start at just $4.99 with an average 4.2 star rating. GM Genuine offer similar pricing and quality, backed by strong customer feedback. With over 90 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Regal owners approve.

Explore Related Parts

While you’re upgrading or replacing your Vehicle Door, don’t forget to check out other key components like Vehicle Hoods and Vehicle Windows. At Advance Auto Parts, we’re here to help you keep your 2003 Buick Regal in peak condition, inside and out.

Find Your Specific 2003 Buick Regal Vehicle Doors

Looking for the perfect Vehicle Door for your 2003 Buick Regal? You’re in the right place. Below, you’ll find links to various types of Vehicle Doors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Vehicle Doors, ensuring durability and a precise fit for your Buick Regal. Whether you’re driving a 2003 model or another popular model year like 2002, 2004, 2011, 2012, 2013, 2014, 2015, 2016, and 2017, we’ve got you covered. Purchasing Vehicle Doors from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Vehicle Doors that fit your vehicle.

Essential 2003 Buick Regal Vehicle Doors

Dorman – Help – Door Lock Rod Clips (Part No.75450)

Door Lock Rod Clips

from

$7.49
This door lock rod clip 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:
  • Direct replacement – this door lock rod clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip 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
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(29 reviews)
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Dorman – Help – Door Lock Rod Clips (Part No.75453)

Door Lock Rod Clips

from

$4.29
This door lock rod clip 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:
  • Direct replacement – this door lock rod clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip 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
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(4 reviews)
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GM Genuine Parts – Door Lock Actuator with Dome Lamp and Door Ajar Switch (Part No.25664288)

Door Lock Actuator with Dome Lamp and Door Ajar Switch

from

$128.99
GM Genuine Parts Door Lock Actuator Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These kits come with the components to replace your door lock actuator. The door lock actuator is an electrically operated linear motor that operates the door lock mechanism within the vehicle doors. 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:
  • 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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(1 reviews)
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Dorman – Door Lock Actuator – Non Integrated (Part No.931-386)

Door Lock Actuator - Non Integrated

from

$201.99
This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models.

Product Features:
  • Reliable replacement – this door lock actuator has undergone extensive quality and safety performance testing
  • Perfect fit – engineered to provide the same fit and function of the original actuator on specific vehicle years, makes and models
  • Safety compliant – part has undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
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Dorman – Door Lock Actuator (Part No.746-011)

Door Lock Actuator

from

$59.99
This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models.

Product Features:
  • Reliable replacement – this door lock actuator has undergone extensive quality and safety performance testing
  • Perfect fit – engineered to provide the same fit and function of the original actuator on specific vehicle years, makes and models
  • Safety compliant – part has undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
See More

(7 reviews)
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Dorman – Door Panel Retainer Kit – Buick (Part No.702-002)

Door Panel Retainer Kit - Buick

from

$11.49
This door panel install kit is designed to match the original hardware required to service the window regulator or window lift motor on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this door panel install kit is designed to match the original hardware required to service the window regulator or window lift motor on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that have been lost or broken
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – 2-Way Female Gray Multi-Purpose Pigtail (Part No.PT209)

2-Way Female Gray Multi-Purpose Pigtail

from

$30.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • 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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Carquest Premium – Multi-Use Connector (Part No.PTA1424)

Multi-Use Connector

from

$73.99
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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Dorman – Honda Splash Shield Retainer (Part No.700-079CD)

Honda Splash Shield Retainer

from

$4.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Panel Trim Retainer – Interior- GM (Part No.45681)

Panel Trim Retainer - Interior- GM

from

$4.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Carquest Premium – Multi-Use Connector (Part No.PTA2575)

Multi-Use Connector

from

$25.99
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.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
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GM Genuine Parts – Natural Colored Multi-Purpose Pigtail (Part No.PT2652)

Natural Colored Multi-Purpose Pigtail

from

$68.99
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
See More
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Dorman – 7-Wire Pigtail Connector (Part No.84645)

7-Wire Pigtail Connector

from

$34.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
See More

(2 reviews)
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Dorman – Help – Door Lock Cylinder Clip Assortment (Part No.75510)

Door Lock Cylinder Clip Assortment

from

$8.29
This door lock cylinder clip is designed to match the fit and function of the original clip on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this door lock cylinder clip is designed to match the fit and function of the original clip on specified vehicles
  • Restores functionality – reliable replacement for a broken or missing clip
  • 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
See More
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Carquest Premium – Door Lock Kit (Part No.DLA1258)

Door Lock Kit

from

$90.99
Application matched component to ensure the system can be returned to like new condition.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Door Lock Kit (Part No.DLA1081)

Door Lock Kit

from

$24.99
Application matched component to ensure the system can be returned to like new condition.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Door Lock Kit (Part No.DLC1051)

Door Lock Kit

from

$27.99
Application matched component to ensure the system can be returned to like new condition.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Door Lock Kit (Part No.DLC1167)

Door Lock Kit

from

$24.99
Application matched component to ensure the system can be returned to like new condition.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
See More
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Carquest Premium – Multi-Use Connector (Part No.PTA1405)

Multi-Use Connector

from

$41.99
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.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
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ACDelco – Heater and Air Conditioning Blower Motor Resistor Pigtail (Part No.PT2485)

Heater and Air Conditioning Blower Motor Resistor Pigtail

from

$66.99
ACDelco Professional Multi Purpose Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Most Popular Door Lock Motors for 2003 Buick Regals

Enhance your 2003 Buick Regal with one of the 2 Door Lock Motors we have in stock, starting at just $59.99.
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Dorman – Door Lock Actuator (Part No.746-011)

Door Lock Actuator

from

$59.99
This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models.

Product Features:
  • Reliable replacement – this door lock actuator has undergone extensive quality and safety performance testing
  • Perfect fit – engineered to provide the same fit and function of the original actuator on specific vehicle years, makes and models
  • Safety compliant – part has undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
See More

(7 reviews)
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Dorman – Door Lock Actuator Pair (Part No.746-017KT)

Door Lock Actuator Pair

from

$123.99
This door lock actuator motor value pack includes two popular replacement motors to repair both the driver side and passenger side motors on specific vehicle years, makes and models.

Product Features:
  • Convenient pack – this value pack includes the left and ride door lock actuator motors for certain popular vehicle applications
  • Perfect fit – engineered to provide the same fit and function of the original equipment actuator motors
  • Safety compliant – parts have undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
See More
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Best-Selling 2003 Buick Regal Interior Door Panel

Upgrade your Regal with our best-selling Interior Door Panel.
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Dorman – Door Panel Retainer Kit – Buick (Part No.702-002)

Door Panel Retainer Kit - Buick

from

$11.49
This door panel install kit is designed to match the original hardware required to service the window regulator or window lift motor on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this door panel install kit is designed to match the original hardware required to service the window regulator or window lift motor on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that have been lost or broken
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More
View Product

Top-Quality Door Molding Retainers for 2003 Buick Regals

Choose a high-quality OEM or aftermarket Door Molding Retainer for Buick Regals and enjoy top-notch performance from $4.99.
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Dorman – Honda Splash Shield Retainer (Part No.961-037D)

Honda Splash Shield Retainer

from

$4.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

(6 reviews)
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Dorman – Honda Splash Shield Retainer (Part No.700-079CD)

Honda Splash Shield Retainer

from

$4.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More
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Our Top Pick for a 2003 Buick Regal Door Lock Solenoid Connector

Invest in a durable Door Lock Solenoid Connector for your 2003 Buick, knowing you’re getting trusted brands and expert craftsmanship.
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Dorman – 7-Wire Pigtail Connector (Part No.84645)

7-Wire Pigtail Connector

from

$34.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
See More

(2 reviews)
View Product

Our Top-Rated Door Lock Clips for 2003 Buick Regals

Make a smart move for your 2003 Buick Regal with our Door Lock Clip for $7.49.
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Dorman – Help – Door Lock Rod Clips (Part No.75450)

Door Lock Rod Clips

from

$7.49
This door lock rod clip 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:
  • Direct replacement – this door lock rod clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip 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
See More

(29 reviews)
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Top-Rated Vehicle Door Brands For Your 2003 Buick Regal

When it comes to finding the perfect Vehicle Door for your 2003 Buick Regal, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Vehicle Door brands including GM Genuine and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $4.99. Purchasing a Vehicle Door from us here at Advance Auto Parts is a smart move for both you and your 2003 Buick Regal, providing peace of mind with parts that meet or exceed OEM standards.

Popular GM Genuine 2003 Buick Regal Vehicle Doors

If you’re looking for a top-quality Vehicle Door for your 2003 Buick Regal, Advance Auto Parts has exactly what you need with our selection of GM Genuine Vehicle Doors. We have 1 GM Genuine Vehicle Doors in stock for this fitment, all known for their durability and precision fit. With prices starting at just $128.99, you’ll find the perfect Vehicle Door for your needs and budget. GM Genuine Vehicle Doors for the 2003 Buick Regal come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a GM Genuine Vehicle Door from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Door Lock Actuator with Dome Lamp and Door Ajar Switch
from $128.99
(1)
Door Lock Actuator with Dome Lamp and Door Ajar Switch
“The product was to be used on the rear push button release of window and tailgate.”

Top-Quality Dorman 2003 Buick Regal Vehicle Doors

For those in search of a high-quality Vehicle Door for their 2003 Buick Regal, Advance Auto Parts offers a great selection of Dorman Vehicle Doors. With 3 Dorman Vehicle Doors in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Vehicle Doors start at just $4.99, with an average price of $15.82, giving you a range of options to suit your budget. Backed by over 37 customer ratings and an average rating of 4.2 stars, Dorman Vehicle Doors provide both reliability and excellent performance. Choosing a Dorman Vehicle Door from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Door Lock Rod Clips
from $7.49
(29)
Door Lock Rod Clips
“Very easy to put on. Took 2 seconds!”
Honda Splash Shield Retainer
from $4.99
(6)
Honda Splash Shield Retainer
“Fits perfectly for the inside wheel well liner.”
7-Wire Pigtail Connector
from $34.99
(2)
7-Wire Pigtail Connector
“Good”

FAQs for 2003 Buick Regal Vehicle Doors

What are the best-selling Vehicle Doors for 2003 Buick Regals?

Out of 15 Vehicle Doors that fit 2003 Buick Regals, the following parts are the top sellers:

What’s the price range for 2003 Buick Regal Vehicle Doors?

The prices of Vehicle Doors for the 2003 Buick Regal range from $4.99 up to $128.99 for the most premium parts.

What is the average price of a Vehicle Door for a 2003 Buick Regal?

The average price for Vehicle Doors for the 2003 Buick Regal is $47.71. Keep in mind the variety of part types within our Vehicle Door category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Vehicle Doors for other Buick Regal model years?

Yes, we carry Vehicle Doors for 37 model years of Buick Regals between 1973 and 2017. The following model years are the most popular for Vehicle Door purchases: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2004, and 2002.

What are the cheapest Vehicle Doors for my 2003 Buick Regal?

The cheapest 2003 Buick Regal Vehicle Doors we carry are:

Does Advance Auto Parts sell Vehicle Doors for any other 2003 Buick models?

Yes. We stock Vehicle Doors for 3 other popular 2003 Buick models. Some of the most popular are 2003 Century Vehicle Doors, 2003 LeSabre Vehicle Doors, 2003 Park Avenue Vehicle Doors, and 2003 Rendezvous Vehicle Doors.

What are the top-rated Vehicle Doors that fit the 2003 Buick Regal?

Based on 90 reviews by customers, our 2003 Buick Regal Vehicle Doors have an average customer rating of 4 stars. These are the highest-rated categories of Vehicle Doors for the 2003 Buick Regal and their top-rated products:

What types of Vehicle Doors do you sell for my 2003 Buick Regal?

As of 11/2/25, these are some of the most in-demand types of Vehicle Doors for a 2003 Buick Regal:

Can I get help with 2003 Buick Regal Vehicle Door orders?

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

What is your return policy for Buick Regal Vehicle Doors?

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

More Popular Parts for All Makes