1978 Cadillac DeVille Engine Control Modules (ECM)
Keep Your 1978 Cadillac DeVille in Top Shape with a Quality Engine Control Modules (ECM)
When it comes to maintaining or upgrading your 1978 Cadillac DeVille, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Control Modules (ECM) for your DeVille. We currently carry a top Engine Control Modules (ECM) in stock that is built to last. Whether you’re replacing a damaged Engine Control Modules (ECM) or looking to upgrade, our selection for the 1978 Cadillac DeVille ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.
Explore Related Parts
And while you’re here, don’t forget to check out related part categories like Engine Gaskets and Seals and Engine Timing Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1978 Cadillac DeVille running smoothly and looking great.
Find Your Specific 1978 Cadillac DeVille Engine Control Modules (ECM)s
Looking for the perfect Engine Control Modules (ECM) for your 1978 Cadillac DeVille? You’re in the right place. Below, you’ll find a Engine Control Modules (ECM) from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Control Modules (ECM)s, ensuring durability and a precise fit for your Cadillac DeVille. Whether you’re driving a 1978 model or another popular model year like
1990,
1991,
1992,
1993,
1994,
1995,
1997,
1998, and
1999, we’ve got you covered. Purchasing Engine Control Modules (ECM)s 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 Engine Control Modules (ECM)s that fit your vehicle.
Essential 1978 Cadillac DeVille Engine Control Modules (ECM)
Cardone – Remanufactured Engine Control Computer (Part No.77-6462)
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-5120)
from
$123.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-1875)
from
$355.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-8322)
from
$164.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-6028)
from
$199.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-5500)
from
$169.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-6930)
from
$104.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-4760)
from
$123.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-4810)
from
$110.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-4670)
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-7056)
from
$106.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-2947)
from
$401.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-2240)
from
$165.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Cardone – Remanufactured Engine Control Computer (Part No.77-5650)
from
$119.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
Popular 1978 Cadillac DeVille Engine Control Modules (ECM) Categories
Most Popular Engine Computer for 1978 Cadillac DeVilles
Enhance your 1978 Cadillac DeVille with this popular Engine Computer we have in stock, for $401.99.
Cardone – Remanufactured Engine Control Computer (Part No.77-2947)
from
$401.99
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 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
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 percent.
FAQs for 1978 Cadillac DeVille Engine Control Modules (ECM)s
What’s the price range for 1978 Cadillac DeVille Engine Control Modules (ECM)?
We currently have just one Engine Control Modules (ECM) for the 1978 Cadillac DeVille in stock: Remanufactured Engine Control Computer and it costs $401.99.
Does Advance Auto Parts sell Engine Control Modules (ECM) for other Cadillac DeVille model years?
Does Advance Auto Parts sell Engine Control Modules (ECM) for any other 1978 Cadillac models?
Yes. We stock Engine Control Modules (ECM) for 1 other popular 1978 Cadillac models. Some of the most popular are 1978 Seville Engine Control Modules (ECM) and 1978 Fleetwood Engine Control Modules (ECM).
What types of Engine Control Modules (ECM) do you sell for my 1978 Cadillac DeVille?
We currently have just 1 Engine Control Modules (ECM) in stock for a 1978 Cadillac DeVille, and as of 11/2/25, it is an Engine Computer.
Can I get help with 1978 Cadillac DeVille Engine Control Modules (ECM) orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Control Modules (ECM) and more.
What is your return policy for Cadillac DeVille Engine Control Modules (ECM)?
Advance Auto Parts keeps returns simple. For new Cadillac DeVille Engine Control Modules (ECM) and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.