2003 Mercury Mountaineer Electrical Parts

Essential 2003 Mercury Mountaineer Electrical Parts

Motorcraft – Flasher Relay w/ 5 Terminals: For Enhanced Turn Signal Operation and Visibility (Part No.P2034427770MTR)

Flasher Relay w/ 5 Terminals: For Enhanced Turn Signal Operation and Visibility

from

$51.28
Flasher Relay w/ 5 Terminals: For Enhanced Turn Signal Operation and Visibility

Carquest Premium – Engine Cylinder Head Temperature Sensor Connector (Part No.PTA1161)

Engine Cylinder Head Temperature Sensor Connector

from

$13.49
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 Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4432)

Electric Fuel Pump Inertia Switch

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.
See More

Carquest – Multi Purpose Relay (Part No.R6472)

Multi Purpose Relay

from

$30.49
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:
  • Rotors use a durable phenolic plastic for long life.
  • Rotors have a stainless steel spring for OE performance.
  • All parts are manufactured to stringent quality requirements. Our plants are TS16949 and ISO9001 certified which ensures that every part is the right part for the right vehicle.
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Carquest Premium – Automatic Transmission Speed Sensor Connector (Part No.PTA1829)

Automatic Transmission Speed Sensor Connector

from

$46.99
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

Dorman – Help – Coil Harness Repair Kit (Part No.49813)

Coil Harness Repair Kit

from

$16.99
This engine camshaft position sensor 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 engine camshaft position sensor 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
See More

Carquest Premium – Combination Switch (Part No.SAE1158)

Combination Switch

from

$109.99
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.
See More

Motorcraft – REGULATOR AND MTR (Part No.WPT-439)

REGULATOR AND MTR

from

$39.99
REGULATOR AND MTR

Dorman – Power Window Lift Motor (Part No.742-265)

Power Window Lift Motor

from

$55.99
Window motor worn out? This power window lift motor is precision-engineered to match the fit and performance of the original motor in specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this power window motor is built to match the original lift motor on specific vehicles
  • Cost-effective solution – comparable quality for lower cost than buying replacement at the dealership
  • Seamless installation – manufactured to fit directly into existing wiring systems
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Carquest Premium – Multi Purpose Connector (Part No.PTA3127)

Multi Purpose Connector

from

$82.99
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.
See More

Factory Air – Harness Connector (Part No.37211)

Harness Connector

from

$14.29
OE style connectors; Molded plastic construction; Quality contacts ensure proper conductivity; Universal applications
See More

Dorman – Chrysler, Ford, GM Panel Retainer, Pack of 3 (Part No.963-058D)

Chrysler, Ford, GM Panel Retainer, Pack of 3

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function & 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
  • Pack of 3
See More

Carquest Premium – Radio Amplifier Connector (Part No.PTC1537)

Radio Amplifier Connector

from

$78.99
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.
See More

Carquest – Engine Camshaft Position Sensor Connector (Part No.PT5754)

Engine Camshaft Position Sensor Connector

from

$26.49
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 ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Our premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
  • A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion. Our ignition coils are built for maximum output voltage
  • Primary and Secondary windings feature enamel magnet wire for the highest temperature rating in the aftermarket
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Dorman – Parking Lamp Connector (Part No.645-180)

Parking Lamp Connector

from

$34.99
This parking 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 parking 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
See More

Carquest Premium – Ambient Air Temperature Sensor Connector (Part No.PTA1106)

Ambient Air Temperature Sensor Connector

from

$64.99
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 Premium – Door Cylinder Anti-Theft Disarm Switch Connector (Part No.PTA1183)

Door Cylinder Anti-Theft Disarm Switch Connector

from

$15.79
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 Premium – Throttle Position Sensor Connector (Part No.PTA1131)

Throttle Position Sensor Connector

from

$13.49
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 Premium – Power Mirror Switch Connector (Part No.PTA2714)

Power Mirror Switch Connector

from

$50.99
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 – Engine Oil Pressure Switch (Part No.59A1014)

Engine Oil Pressure Switch

from

$11.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
See More

Carquest Premium – Brake Fluid Pressure Sensor Connector (Part No.PTA1889)

Brake Fluid Pressure Sensor Connector

from

$51.99
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 Premium – Alternator Connector (Part No.PTA1025)

Alternator Connector

from

$17.79
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 Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1604)

ABS Wheel Speed Sensor Connector

from

$43.99
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 Premium – Traction Control Switch Connector (Part No.PTC2778)

Traction Control Switch Connector

from

$56.99
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.
See More

Dorman – Fog Lamp Connector (Part No.645-214)

Fog Lamp Connector

from

$57.99
This fog 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 fog 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
See More

Motorcraft – Cruise Cut Out Switc (Part No.P5019679302MTR)

Cruise Cut Out Switc

from

$82.17
Cruise Cut Out Switc

Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1084)

ABS Wheel Speed Sensor Connector

from

$12.99
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 Premium – Transfer Case Shift Motor Connector (Part No.PTC1768)

Transfer Case Shift Motor Connector

from

$56.99
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

2003 Mercury Mountaineer Electrical Parts

You count on your 2003 Mercury Mountaineer 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 54 Electrical Parts ranging in price from $4.49 to $139.99, you’re sure to find everything you need for your 2003 Mercury Mountaineer.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 7 different brands like Carquest, Dorman, and Carquest Premium. 2003 Mercury Mountaineer Electrical Parts start as low as $4.49!

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 87 extensive product reviews on 2003 Mercury Mountaineer Electrical Parts. Some of the top-rated Electrical Parts products we carry are Fuel Vapor Pressure Sensor with 3.0 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 Mercury Mountaineer below to get started!

Top-Rated Electrical Parts Brands For Your 2003 Mercury Mountaineer

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 Mercury Mountaineer running right for years to come. In our inventory you’ll find brands like Carquest, Dorman, Carquest Premium, and even more.

Popular Dorman Electrical Parts

You’ll find popular Dorman brand products across Electrical Motors and Anti-Theft and Alarm Parts. All are waiting to get your 2003 Mercury Mountaineer back on the road. Some of the top-rated Dorman products in these categories are:
Window Regulator & Motor Assembly: Power, 1 Pack
from $106.99
(6)
Window Regulator & Motor Assembly: Power, 1 Pack
Window Lift Motors
Chrysler, Ford, GM Panel Retainer, Pack of 3
from $4.49
(1)
Chrysler, Ford, GM Panel Retainer, Pack of 3
Anti-Theft Alarm Control Unit Clip
Window Regulator & Motor Assembly: Power, 1 Pack
from $91.99
(12)
Window Regulator & Motor Assembly: Power, 1 Pack
Window Lift Motors

Top-Rated Carquest Electrical Parts


If Carquest are what you’re looking for, our inventory holds plenty. We stock Carquest brand Electrical Parts for your 2003 Mercury Mountaineer, and some of our most reviewed Carquest parts include:
Air Charge Temperature Sensor Connector
from $12.79
(21)
Air Charge Temperature Sensor Connector
Engine Oil Temperature Sensor Connectors
Engine Oil Pressure Sender
from $20.05
(9)
Engine Oil Pressure Sender
Oil Pressure Switch and Senders
Cruise Control Release Switch
from $70.99
(3)
Cruise Control Release Switch
Cruise Control Switches

FAQs for 2003 Mercury Mountaineer Electrical Parts

What are the most purchased Electrical Parts for the 2003 Mercury Mountaineer?

Out of 54 Electrical Parts for the 2003 Mercury Mountaineer, the most popular in our inventory are:
Engine Camshaft Position Sensor Connector
from $26.49
This product is not rated
Engine Camshaft Position Sensor Connector
Brake Fluid Level Sensor Connectors
Engine Oil Pressure Switch
from $20.99
This product is not rated
Engine Oil Pressure Switch
Oil Pressure Switch and Senders
Engine Oil Pressure Sensor
from $22.49
This product is not rated
Engine Oil Pressure Sensor
Oil Pressure Switch and Senders

What are the top-rated 2003 Mercury Mountaineer Electrical Parts?

Top-rated Electrical Parts for your 2003 Mercury Mountaineer based on customer reviews/ratings are:
Fuel Vapor Pressure Sensor
from $123.99
(2)
Fuel Vapor Pressure Sensor
“This actually worked on my 2013 Ford F-150 that was suffering from a faulty Fuel Pressure Sensor. Dealer wanted me to buy the whole fuel vent line on ”