1978 Mercury Cougar Electrical Parts

Essential 1978 Mercury Cougar Electrical Parts

Carquest Premium – Engine Oil Pressure Switch (Part No.SAC4542)

Engine Oil Pressure Switch

from

$22.49
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.
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Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1019)

Engine Oil Pressure Switch

from

$14.79
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.
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BSE Original – Cruise Control Servo (Part No.RCC2511M)

Cruise Control Servo

from

$95.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Servos are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Servos are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Servos are 100% tested to meet or exceed OEM performance specifications.
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BSE Original – Cruise Control Servo (Part No.RCC7055)

Cruise Control Servo

from

$95.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Servos are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Servos are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Servos are 100% tested to meet or exceed OEM performance specifications.
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Carquest – Hazard Warning Flasher Connector (Part No.PT121)

Hazard Warning Flasher Connector

from

$10.05
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 blower motor resistors are a direct-fit replacement electrically operated resistor that replaces damaged OE units restoring a/c and heater blower motor variable speed control
  • Each of our blower motor resistors is made from high quality ceramics with copper electrical connectors to ensure accurate and precise resistance values for long life and high performance.
  • Robust design and high grade materials meet the stringent demands of today’s service professional
  • All of our switches are made to OE spec to ensure proper fit, form and function
  • All parts are manufactured to stringent quality requirements.
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Carquest Premium – Windshield Washer Pump Connector (Part No.PTA1928)

Windshield Washer Pump Connector

from

$8.99
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 – Engine Coolant Temperature Sensor Connector (Part No.PT5750)

Engine Coolant Temperature Sensor Connector

from

$45.05
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 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
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Carquest Premium – Windshield Washer Pump Connector (Part No.PTA1345)

Windshield Washer Pump Connector

from

$9.99
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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Dorman – Power Window Lift Motor (Part No.742-250)

Power Window Lift Motor

from

$49.99
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
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Dorman – Power Window Lift Motor (Part No.742-251)

Power Window Lift Motor

from

$49.99
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
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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

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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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA5375)

Electric Fuel Pump Inertia Switch

from

$101.99
Electric Fuel Pump Inertia Switch

Carquest Premium – Oil Pressure Switch Connector (Part No.PTA1722)

Oil Pressure Switch 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
See More

Carquest Premium – Oil Pressure Switch Connector (Part No.PTA1095)

Oil Pressure Switch Connector

from

$34.49
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 – Oil Pressure Switch Connector (Part No.PTA1652)

Oil Pressure Switch Connector

from

$32.99
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

BSE Original – Cruise Control Amplifier (Part No.RCC7448)

Cruise Control Amplifier

from

$77.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Amplifiers are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Amplifiers are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Amplifiers are 100% tested to meet or exceed OEM performance specifications.
See More

BSE Original – Cruise Control Amplifier (Part No.RCC3001M)

Cruise Control Amplifier

from

$82.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Amplifiers are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Amplifiers are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Amplifiers are 100% tested to meet or exceed OEM performance specifications.
See More

BSE Original – Cruise Control Amplifier (Part No.RCC7447)

Cruise Control Amplifier

from

$82.99
Blue Streak Electronics is the leader in remanufactured electronics since 1987 and a name synonymous with OE performance. Blue Streak Electronics provides the highest quality, most comprehensive line of Engine, Transmission, Body, Powertrain control modules, Mass Air Flow Sensors, Diagnostic tools and Flash Programming solutions.

Product Features:
  • BSE Remanufactured Cruise Control Amplifiers are 100% tested to perform like new. OEM designs are analyzed, and design upgrades are implemented when necessary to provide improved durability over the OEM design.
  • OEM Amplifiers are completely disassembled, cleaned, and inspected for wear & damage.
  • Worn and non-functioning components are replaced with upgraded new components to improve reliability and performance.
  • Common fail components are 100% replaced with new higher quality components.
  • All Amplifiers are 100% tested to meet or exceed OEM performance specifications.
See More

Carquest Premium – A/C Compressor Clutch Relay Connector (Part No.PTA1269)

A/C Compressor Clutch Relay Connector

from

$5.29
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

Cardone – Cruise Control Module/Amplifier – Remanufactured (Part No.34-2201)

Cruise Control Module/Amplifier - Remanufactured

from

$89.99


Product Features:
  • Every circuit board is stress tested under simulated road conditions to ensure unit functions properly under real-life conditions.
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1978 Mercury Cougar Electrical Parts

You count on your 1978 Mercury Cougar 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 14 Electrical Parts ranging in price from $5.29 to $95.99, you’re sure to find everything you need for your 1978 Mercury Cougar.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 5 different brands like Dorman, Carquest, and Carquest Premium. 1978 Mercury Cougar Electrical Parts start as low as $5.29!

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 162 extensive product reviews on 1978 Mercury Cougar Electrical Parts.

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 1978 Mercury Cougar below to get started!

Top-Rated Electrical Parts Brands For Your 1978 Mercury Cougar

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 1978 Mercury Cougar running right for years to come. In our inventory you’ll find brands like Dorman, Carquest, Carquest Premium, and even more.

Popular Carquest Electrical Parts

You’ll find popular Carquest brand products across Electrical Connectors. All are waiting to get your 1978 Mercury Cougar back on the road. Some of the top-rated Carquest products in these categories are:
Engine Oil Pressure Sender
from $18.05
(13)
Engine Oil Pressure Sender
Oil Pressure Switch and Senders

Top-Rated Dorman Electrical Parts


If Dorman are what you’re looking for, our inventory holds plenty. We stock Dorman brand Electrical Parts for your 1978 Mercury Cougar, and some of our most reviewed Dorman parts include:
Power Window Lift Motor
from $49.99
(8)
Power Window Lift Motor
Tailgate Window Motors
Power Window Lift Motor
from $49.99
(6)
Power Window Lift Motor
Tailgate Window Motors

FAQs for 1978 Mercury Cougar Electrical Parts

What are the most purchased Electrical Parts for the 1978 Mercury Cougar?

Out of 14 Electrical Parts for the 1978 Mercury Cougar, the most popular in our inventory are:
Engine Oil Pressure Switch
from $22.49
This product is not rated
Engine Oil Pressure Switch
Oil Pressure Switch and Senders
Hazard Warning Flasher Connector
from $10.05
This product is not rated
Hazard Warning Flasher Connector
Flasher Connectors
Engine Oil Pressure Switch
from $15.79
This product is not rated
Engine Oil Pressure Switch
Oil Pressure Switch and Senders