Mercury Marquis Engine Control Modules (ECM)

Your One-Stop Shop For Trusted Mercury Marquis Engine Control Modules (ECM)

If you’re in search of Mercury Marquis Engine Control Modules (ECM) aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 10 Engine Control Modules (ECM) from top brands with prices ranging from $28.49 to $157.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Control Modules (ECM) for your Mercury Marquis. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Carquest Premium and Cardone.

And don’t forget to read customer reviews across all Engine Control Modules (ECM) categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Control Modules (ECM) have to cost top dollar, and we prove it. Browse our top Mercury Marquis Engine Control Modules (ECM) below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercury Marquis Engine Control Modules (ECM)

Carquest Premium – Multi Purpose Relay (Part No.RAA1743)

Multi Purpose Relay

from

$28.49
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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Cardone – Engine Control Module (Part No.78-4218)

Engine Control Module

from

$150.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Cardone – Engine Control Module (Part No.78-4300)

Engine Control Module

from

$108.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4496)

Engine Control Module

from

$108.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-5621)

Engine Control Module

from

$126.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4281)

Engine Control Module

from

$157.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4205)

Engine Control Module

from

$149.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4494)

Engine Control Module

from

$121.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4495)

Engine Control Module

from

$135.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Cardone – Engine Control Module (Part No.78-4227)

Engine Control Module

from

$153.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
See More

Engine Control Modules (ECM) Brands You Can Trust For Your Mercury Marquis

2 trusted brands of Engine Control Modules (ECM) line our shelves, ready to help keep your Mercury Marquis running smooth. Below are some of the most popular brands and their top Engine Control Modules (ECM) offerings:

Most Purchased Mercury Marquis Engine Control Modules (ECM) from Carquest Premium

When you buy the most frequently purchased Carquest Premium brand Engine Control Modules (ECM), you can be confident it will be the right part for your Mercury Marquis. Here are the Carquest Premium Engine Control Modules (ECM) Advanced Auto customers buy the most:
Multi Purpose Relay
from $28.49
This product is not rated
Multi Purpose Relay
Computer Control Relays
Engine Control Module
from $149.99
This product is not rated
Engine Control Module
Engine Computers
Engine Control Module
from $121.99
This product is not rated
Engine Control Module
Engine Computers

FAQs for Mercury Marquis Engine Control Modules (ECM)

What are the most purchased Engine Control Modules (ECM) for the Mercury Marquis?

Out of 10 Engine Control Modules (ECM) for the Mercury Marquis, the most popular in our inventory are:
Multi Purpose Relay
from $28.49
This product is not rated
Multi Purpose Relay
Computer Control Relays
Engine Control Module
from $150.99
This product is not rated
Engine Control Module
Engine Computers
Engine Control Module
from $153.99
This product is not rated
Engine Control Module
Engine Computers