2003 Cadillac Escalade EXT Electrical Parts

Essential 2003 Cadillac Escalade EXT Electrical Parts

ATP – Repair Harness (Part No.CE-6)

Repair Harness

from

$147.99
Repair Harness

ACDelco – Black Multi-Purpose Pigtail (Part No.PT2712)

Black Multi-Purpose Pigtail

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:
  • 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 – Inline Connector (Part No.PTA2149)

Inline Connector

from

$184.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Instrument Panel Wiring Junction Block Connector (Part No.PTA2974)

Instrument Panel Wiring Junction Block Connector

from

$127.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Fog Light Switch Connector (Part No.PTA2142)

Fog Light Switch Connector

from

$249.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest – A/C Auto Temperature Control Relay (Part No.R3110)

A/C Auto Temperature Control Relay

from

$20.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Carquest Premium – Cruise Control Switch (Part No.CCA1607)

Cruise Control Switch

from

$99.99
Cruise Control Switch

ACDelco – Multi-Purpose Pigtail (Part No.PT2834)

Multi-Purpose Pigtail

from

$39.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – Multi-Purpose Pigtail (Part No.PT1385)

Multi-Purpose Pigtail

from

$35.99
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

ACDelco – Black Multi-Purpose Pigtail (Part No.PT2787)

Black Multi-Purpose Pigtail

from

$40.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Accessory Connector (Part No.PTA2137)

Accessory Connector

from

$35.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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ACDelco – Multi-Purpose Pigtail (Part No.PT2296)

Multi-Purpose Pigtail

from

$73.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Protective outer coverings provide long-lasting durability
  • Color-coded wires allow for easy installation
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Inline Connector (Part No.PTA2335)

Inline Connector

from

$68.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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Carquest Premium – Repair Harness (Part No.PTA1807)

Repair Harness

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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ACDelco – Oil Pressure Sender (Part No.P4030568066ACD)

Oil Pressure Sender

from

$88.68
Oil Pressure Sender

Carquest Premium – Cross Body Wiring Harness Connector (Part No.PTA2575)

Cross Body Wiring Harness Connector

from

$25.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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ACDelco – Evaporation Pres Sensor (Part No.E2070451781ACD)

Evaporation Pres Sensor

from

$82.96
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Carquest Premium – Accessory Power Receptacle Connector (Part No.PTA1817)

Accessory Power Receptacle Connector

from

$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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Carquest Premium – Alternator Connector (Part No.PTA1088)

Alternator Connector

from

$49.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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Carquest Premium – Rain Sensor Connector (Part No.PTA2314)

Rain Sensor Connector

from

$35.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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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Carquest Premium – Anti-Theft Cut-Off Switch Connector (Part No.PTA3012)

Anti-Theft Cut-Off Switch Connector

from

$84.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Headlamp Socket (Part No.645-534)

Headlamp Socket

from

$49.99
This license plate light connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this license plate light connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector 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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Dorman – Help – Plug Retainer (Part No.57020)

Plug Retainer

from

$4.99
This 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles
  • Restores functionality – this cover is made to fully restore appearance and functionality after the original part fails
  • 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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Carquest Premium – Accessory Wiring Junction Block Connector (Part No.PTA2651)

Accessory Wiring Junction Block Connector

from

$25.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest – Back Up Light Connector (Part No.PT343)

Back Up Light Connector

from

$26.05
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance
  • Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion
  • RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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ACDelco – 4-Way Female Gray Multi-Purpose Pigtail (Part No.PT1537)

4-Way Female Gray Multi-Purpose Pigtail

from

$59.99
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

Littelfuse – Fuse – Maxi Blade 32V 50A: 50 Amp, Red, Maxi, 1 Pack (Part No.MAX50)

Fuse - Maxi Blade 32V 50A: 50 Amp, Red, Maxi, 1 Pack

from

$4.29
MAXI uses “Diffusion Pill Technology” to provide predictable time delay characteristic and low heat dissipation. MAXI Fuses are primarily used for under hood applications and are products with a high temperature polymer and silver plated blades. Replace commonly used fusible wire or fusible link to protect a high current segment or system of the wiring harness. Ideal for motor powered applications which have large inrush currents. Littelfuse, founded in 1927 and headquartered in Chicago, is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 17,000 global associates, we partner with customers to design and deliver innovative, reliable solutions.

Product Features:
  • MAXI uses “Diffusion Pill Technology” to provide predictable time delay characteristic and low heat dissipation
  • MAXI Fuses are primarily used for under hood applications and are products with a high temperature polymer and silver plated blades.
  • Replace commonly used fusible wire or fusible link to protect a high current segment or system of the wiring harness.
  • Ideal for motor powered applications which have large inrush currents.
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ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2319)

Multi-Purpose Wire Connector with Leads

from

$53.99
ACDelco Professional Throttle Position Sensor 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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2003 Cadillac Escalade EXT Electrical Parts

You count on your 2003 Cadillac Escalade EXT to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Electrical Parts. With 77 Electrical Parts ranging in price from $2.73 to $395.99, you’re sure to find everything you need for your 2003 Cadillac Escalade EXT.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 11 different brands like Dorman, Carquest, and Carquest Premium. 2003 Cadillac Escalade EXT Electrical Parts start as low as $2.73!

One of the best ways to find top quality OEM or aftermarket Electrical Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 261 extensive product reviews on 2003 Cadillac Escalade EXT Electrical Parts. Some of the top-rated Electrical Parts products we carry are A/C Auto Temperature Control Relay with 5.0 stars and Multi Function Switch with 4.8 stars.

Did we mention you can order your Electrical Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Electrical Parts inventory for your 2003 Cadillac Escalade EXT below to get started!

Top-Rated Electrical Parts Brands For Your 2003 Cadillac Escalade EXT

Trusted Electrical Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Cadillac Escalade EXT running right for years to come. In our inventory you’ll find brands like Dorman, Carquest, Carquest Premium, and even more.

Popular Factory Air Electrical Parts

You’ll find popular Factory Air brand products across Electrical Connectors. All are waiting to get your 2003 Cadillac Escalade EXT back on the road. Some of the top-rated Factory Air products in these categories are:
Harness Connector
from $26.99
(1)
Harness Connector
Coolant Temperature Sensor Connectors

FAQs for 2003 Cadillac Escalade EXT Electrical Parts

What are the most purchased Electrical Parts for the 2003 Cadillac Escalade EXT?

Out of 77 Electrical Parts for the 2003 Cadillac Escalade EXT, the most popular in our inventory are:
Engine Oil Pressure Sensor
from $77.99
This product is not rated
Engine Oil Pressure Sensor
Oil Pressure Switch and Senders
Engine Oil Pressure Switch
from $78.99
(44)
Engine Oil Pressure Switch
Oil Pressure Switch and Senders
Air Charge Temperature Sensor Connector
from $11.49
(33)
Air Charge Temperature Sensor Connector
Crankshaft Position Sensor Connectors

What are the top-rated 2003 Cadillac Escalade EXT Electrical Parts?

Top-rated Electrical Parts for your 2003 Cadillac Escalade EXT based on customer reviews/ratings are:
A/C Auto Temperature Control Relay
from $20.99
(7)
A/C Auto Temperature Control Relay
“It is good”
Multi Function Switch
from $134.05
(6)
Multi Function Switch
“Part was as described and works great.”
Power Window Lift Motor
from $47.99
(6)
Power Window Lift Motor
“Worked great and website was very accurate.”