2005 Cadillac STS Vehicle Doors
Keep Your 2005 Cadillac STS 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 2005 Cadillac STS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Door Lock Solenoid Connectors, Door Harness Connectors, and Door Ajar Switch Connectors. 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.
Competitive Prices and Extensive Inventory
The average price for a 2005 Cadillac STS Vehicle Door at Advance Auto Parts is around $47.32, with a range that starts at $10.49 and goes up to $134.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Natural Colored Multi-Purpose Pigtail, Black Multi-Purpose Pigtail, and 2-Way Female Gray Multi-Purpose Pigtail start at just $30.49 and offer a great balance of form and function.
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 2005 Cadillac STS in peak condition, inside and out.
Find Your Specific 2005 Cadillac STS Vehicle Doors
Looking for the perfect Vehicle Door for your 2005 Cadillac STS? 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 Cadillac STS. Whether you’re driving a 2005 model or another popular model year like
2006,
2007,
2008,
2009,
2010, and
2011, 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 2005 Cadillac STS Vehicle Doors
Carquest Premium – Door Lock Switch (Part No.PDA1125)
from
$33.49
The main device in any electrical circuit is a switch. In an electrical circuit a device is required to turn a component on or off when commanded by the operator, within the switch are contacts that will complete the electrical path to the load, or driven device. The operation of a switch may be manual from a person or could be electrical from some sort of controller or computer.
Product Features:
See More
Product Features:
- 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 accurate signal output providing product reliability, every time.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
- Where applicable electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Carquest Premium – Multi-Use Connector (Part No.PTA3158)
from
$38.99
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:
See More
Product Features:
- Carquest 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.
Carquest Premium – Multi-Use Connector (Part No.PTA1798)
from
$10.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest 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.
Dorman – Door Lock Actuator Connector (Part No.645-165)
from
$36.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.
Product Features:
See More
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 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 – Natural Colored Multi-Purpose Pigtail (Part No.PT2652)
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:
See More
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
GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2712)
from
$34.99
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:
See More
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 – Multi-Use Connector (Part No.PTA1879)
from
$134.99
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:
See More
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
ACDelco – 2-Way Female Gray Multi-Purpose Pigtail (Part No.PT209)
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:
See More
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
Popular 2005 Cadillac STS Vehicle Doors Categories
Most Popular Door Lock Solenoid Connectors for 2005 Cadillac STSs
Enhance your 2005 Cadillac STS with one of the 2 Door Lock Solenoid Connectors we have in stock, starting at just $36.99.
GM Genuine Parts – Natural Colored Multi-Purpose Pigtail (Part No.PT2652)
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:
See More
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
Dorman – Door Lock Actuator Connector (Part No.645-165)
from
$36.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.
Product Features:
See More
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 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
Best-Selling 2005 Cadillac STS Door Harness Connector
Upgrade your STS with our best-selling Door Harness Connector.
GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2712)
from
$34.99
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:
See More
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-Quality Door Ajar Switch Connectors for 2005 Cadillac STSs
Choose a high-quality OEM or aftermarket Door Ajar Switch Connector for Cadillac STSs and enjoy top-notch performance from $10.49.
Carquest Premium – Multi-Use Connector (Part No.PTA1798)
from
$10.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest 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.
Top Picks for 2005 Cadillac STS Door Lock Motor Connectors
Invest in one of our 2 durable Door Lock Motor Connectors for your 2005 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
ACDelco – 2-Way Female Gray Multi-Purpose Pigtail (Part No.PT209)
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:
See More
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 – Multi-Use Connector (Part No.PTA1879)
from
$134.99
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:
See More
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
Our Door Lock Switches for 2005 Cadillac STSs
Make a smart move for your 2005 Cadillac STS with our Door Lock Switch for $33.49.
Carquest Premium – Door Lock Switch (Part No.PDA1125)
from
$33.49
The main device in any electrical circuit is a switch. In an electrical circuit a device is required to turn a component on or off when commanded by the operator, within the switch are contacts that will complete the electrical path to the load, or driven device. The operation of a switch may be manual from a person or could be electrical from some sort of controller or computer.
Product Features:
See More
Product Features:
- 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 accurate signal output providing product reliability, every time.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
- Where applicable electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
FAQs for 2005 Cadillac STS Vehicle Doors
What are the best-selling Vehicle Doors for 2005 Cadillac STSs?
Out of 8 Vehicle Doors that fit 2005 Cadillac STSs, the following parts are the top sellers:
- Natural Colored Multi-Purpose Pigtail (11895236) – $68.99
- Black Multi-Purpose Pigtail (11895082) – $34.99
- 2-Way Female Gray Multi-Purpose Pigtail (11895065) – $30.49
What’s the price range for 2005 Cadillac STS Vehicle Doors?
The prices of Vehicle Doors for the 2005 Cadillac STS range from $10.49 up to $134.99 for the most premium parts.
What is the average price of a Vehicle Door for a 2005 Cadillac STS?
The average price for Vehicle Doors for the 2005 Cadillac STS is $47.32. 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 Cadillac STS model years?
What are the cheapest Vehicle Doors for my 2005 Cadillac STS?
The cheapest 2005 Cadillac STS Vehicle Doors we carry are:
- Multi-Use Connector (12507419) – $10.49
- 2-Way Female Gray Multi-Purpose Pigtail (11895065) – $30.49
- Door Lock Switch (12526960) – $33.49
- Black Multi-Purpose Pigtail (11895082) – $34.99
- Door Lock Actuator Connector (50207701) – $36.99
Does Advance Auto Parts sell Vehicle Doors for any other 2005 Cadillac models?
Yes. We stock Vehicle Doors for 6 other popular 2005 Cadillac models. Some of the most popular are 2005 Escalade Vehicle Doors, 2005 Escalade ESV Vehicle Doors, 2005 Escalade EXT Vehicle Doors, 2005 DeVille Vehicle Doors, and 2005 CTS Vehicle Doors.
What types of Vehicle Doors do you sell for my 2005 Cadillac STS?
As of 11/2/25, these are some of the most in-demand types of Vehicle Doors for a 2005 Cadillac STS:
Can I get help with 2005 Cadillac STS Vehicle Door orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Vehicle Doors and more.
What is your return policy for Cadillac STS Vehicle Doors?
Advance Auto Parts keeps returns simple. For new Cadillac STS Vehicle Doors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.