1978 Cadillac DeVille Engine Cooling Parts

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Keep Your 1978 Cadillac DeVille in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 1978 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Radiator Caps, Thermostat and Water Outlet Gaskets, and Thermostats. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium, Felpro, and Dorman. For example, Carquest Premium Engine Cooling Parts start at just $10.99 with an average 4.5 star rating. Felpro and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 1,090 reviews and a solid 3.9 star average, you can shop with confidence knowing other Cadillac DeVille owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Cadillac DeVille Engine Cooling Part at Advance Auto Parts is around $54.66, with a range that starts at $4.99 and goes up to $231.99. With 21 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Felpro Engine Coolant Outlet Gasket, 35064, Imperial Adjustable Thermostatic Fan Control, 226203, and Imperial Adjustable Thermostatic Fan Control, 226204 start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1978 Cadillac DeVille in peak condition, inside and out.

Essential 1978 Cadillac DeVille Engine Cooling Parts

Imperial – "Imperial Electric Fan, 16"", 226216" (Part No.226216)

"Imperial Electric Fan, 16"", 226216"

from

$90.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – "Imperial Electric Fan, 14"" Diameter, 226114" (Part No.226114)

"Imperial Electric Fan, 14"" Diameter, 226114"

from

$82.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – "Imperial Electric Fan, 10"" Diameter, 226110" (Part No.226110)

"Imperial Electric Fan, 10"" Diameter, 226110"

from

$81.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – "Imperial Electric Fan, 12"" Diameter, 226112" (Part No.226112)

"Imperial Electric Fan, 12"" Diameter, 226112"

from

$116.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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KAI – KAI Radiator, RAD2369 (Part No.RAD2369)

KAI Radiator, RAD2369

from

$159.99
New Platinum Pro Radiator, 4.6 Liter Engine, With Extreme Duty Cooling, With Engine Oil Cooler, 5/8 Inch Transmission Fitting
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Carquest Premium – Carquest Radiator, 432222 (Part No.432222)

Carquest Radiator, 432222

from

$218.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
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Imperial – Imperial Thermostatic Fan Control – Preset, 226206 (Part No.226206)

Imperial Thermostatic Fan Control - Preset, 226206

from

$46.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – Imperial Thermostatic Fan Control – Adjustable, 226208 (Part No.226208)

Imperial Thermostatic Fan Control - Adjustable, 226208

from

$71.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Carquest Premium – Carquest Coolant Housing/Water Outlet: Gasket Included, 84841 (Part No.84841)

Carquest Coolant Housing/Water Outlet: Gasket Included, 84841

from

$31.99
We are proud to offer this Carquest product line: Carquest Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.
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Carquest Premium – Carquest Coolant Housing/Water Outlet: With Gasket, CH3029 (Part No.CH3029)

Carquest Coolant Housing/Water Outlet: With Gasket, CH3029

from

$10.99
DISCONTINUED – Carquest Premium Thermostat Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
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Carquest Premium – Carquest Universal Fan Clutch – Severe Duty, 215045 (Part No.215045)

Carquest Universal Fan Clutch - Severe Duty, 215045

from

$83.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.
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Carquest Premium – "Carquest Heavy Duty Fan Clutch – Thermal 7"" Standard Rotation, 215046" (Part No.215046)

"Carquest Heavy Duty Fan Clutch - Thermal 7"" Standard Rotation, 215046"

from

$86.99
“Carquest Heavy Duty Fan Clutch – Thermal 7″” Standard Rotation, 215046. ”
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Carquest Premium – Carquest Radiator Cap: 18 PSI, 10234 (Part No.10234)

Carquest Radiator Cap: 18 PSI, 10234

from

$6.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
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Carquest Premium – Carquest Radiator Cap: 16 PSI, 10331 (Part No.10331)

Carquest Radiator Cap: 16 PSI, 10331

from

$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
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Carquest Premium – Carquest Fuel Cap Tester Adapter:, 12427 (Part No.12427)

Carquest Fuel Cap Tester Adapter:, 12427

from

$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Carquest Premium – Carquest Fuel Cap Tester Adapter, 12421 (Part No.12421)

Carquest Fuel Cap Tester Adapter, 12421

from

$28.49
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Stant – Stant Thermostat Gasket (Sold by each), 20894 (Part No.20894)

Stant Thermostat Gasket (Sold by each), 20894

from

$0.79
Stant Thermostat Gasket (Sold by each), 20894.
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Felpro – Felpro Engine Coolant Outlet Gasket, 35064 (Part No.35064)

Felpro Engine Coolant Outlet Gasket, 35064

from

$4.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro Engine Coolant Outlet Gasket, 35130 (Part No.35130)

Felpro Engine Coolant Outlet Gasket, 35130

from

$3.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Dorman – Help – Dorman – Help Radiator Drain Cocks, 61109 (Part No.61109)

Dorman - Help Radiator Drain Cocks, 61109

from

$8.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.
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Dorman – Help – Dorman – Help Drain Cock-Brass, 61106 (Part No.61106)

Dorman - Help Drain Cock-Brass, 61106

from

$6.49
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.
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Dorman – Help – Dorman – Help Drain Cock-Brass, 61103 (Part No.61103)

Dorman - Help Drain Cock-Brass, 61103

from

$11.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.
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Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 13358 (Part No.13358)

Carquest Standard Thermostat: 180 Degrees, 13358

from

$12.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Carquest Premium – Carquest Standard Thermostat: 160 Degrees, 13476 (Part No.13476)

Carquest Standard Thermostat: 160 Degrees, 13476

from

$10.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5200-180 (Part No.5200-180)

Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5200-180

from

$16.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.
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Carquest Premium – Carquest Radiator Cap Tester Adapter, 12552 (Part No.12552)

Carquest Radiator Cap Tester Adapter, 12552

from

$14.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.
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Most Popular Radiator Caps for 1978 Cadillac DeVilles

Enhance your 1978 Cadillac DeVille with one of the 2 Radiator Caps we have in stock, starting at just $10.99.

Carquest Premium – Carquest Radiator Cap: 16 PSI, 10231 (Part No.10231)

Carquest Radiator Cap: 16 PSI, 10231

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

Carquest Premium – Carquest Radiator Cap: 16 PSI, 10331 (Part No.10331)

Carquest Radiator Cap: 16 PSI, 10331

from

$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

Best-Selling 1978 Cadillac DeVille Thermostat and Water Outlet Gasket

Upgrade your DeVille with our best-selling Thermostat and Water Outlet Gasket with a 5 Starts rating across 82 reviews.

Felpro – Felpro Engine Coolant Outlet Gasket, 35064 (Part No.35064)

Felpro Engine Coolant Outlet Gasket, 35064

from

$4.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Top-Quality Thermostats for 1978 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Thermostat for Cadillac DeVilles and enjoy top-notch performance from $7.99.

Carquest Premium – Carquest Standard Thermostat: 195 Degrees, 13459 (Part No.13459)

Carquest Standard Thermostat: 195 Degrees, 13459

from

$7.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 13458 (Part No.13458)

Carquest Standard Thermostat: 180 Degrees, 13458

from

$7.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Carquest Premium – Carquest Standard Thermostat: 160 Degrees, 226-160 (Part No.226-160)

Carquest Standard Thermostat: 160 Degrees, 226-160

from

$11.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Our Top Pick for a 1978 Cadillac DeVille Radiator Fan Clutch

Invest in a durable Radiator Fan Clutch for your 1978 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – "Carquest Universal Fan Clutch – 7"" Thermal Heavy Duty, 215031" (Part No.215031)

"Carquest Universal Fan Clutch - 7"" Thermal Heavy Duty, 215031"

from

$79.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.
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Top-Rated Radiators for 1978 Cadillac DeVilles

Make a smart move for your 1978 Cadillac DeVille with products all priced from $213.99 to $231.99.

Carquest Premium – Carquest Radiator, 432238 (Part No.432238)

Carquest Radiator, 432238

from

$213.99
A global leader in the manufacture and distribution of aftermarket cooling products for automotive, heavy truck, and industrial applications. Specialized in the production of OE-quality Radiators, Condensers, and Charge Air Coolers for US and international markets, covering over 10,000 part numbers worldwide. Reach Cooling is headquartered in Miami, Florida, with additional distribution centers in Los Angeles, California and a manufacturing plant in Shanghai, China.
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Carquest Premium – Carquest Radiator, 433184 (Part No.433184)

Carquest Radiator, 433184

from

$231.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
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Top-Rated Engine Cooling Part Brands For Your 1978 Cadillac DeVille

When it comes to finding the perfect Engine Cooling Part for your 1978 Cadillac DeVille, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro, Carquest Premium, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $4.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1978 Cadillac DeVille, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1978 Cadillac DeVille Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1978 Cadillac DeVille, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 1 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $4.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 1978 Cadillac DeVille come highly rated, with over 82 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Felpro Engine Coolant Outlet Gasket, 35064
from $4.99
(82)
Felpro Engine Coolant Outlet Gasket, 35064
“Match original gasket.”

Top-Quality Carquest Premium 1978 Cadillac DeVille Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1978 Cadillac DeVille, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 2 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $10.99, with an average price of $12.99, giving you a range of options to suit your budget. Backed by over 351 customer ratings and an average rating of 4.5 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Carquest Radiator Cap: 16 PSI, 10231
from $10.99
(260)
Carquest Radiator Cap: 16 PSI, 10231
“good cap”
Carquest Radiator Cap: 16 PSI, 10331
from $14.99
(91)
Carquest Radiator Cap: 16 PSI, 10331
“Better then the factory one”

FAQs for 1978 Cadillac DeVille Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1978 Cadillac DeVilles?

Out of 21 Engine Cooling Parts that fit 1978 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1978 Cadillac DeVille Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1978 Cadillac DeVille range from $4.99 up to $231.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1978 Cadillac DeVille?

The average price for Engine Cooling Parts for the 1978 Cadillac DeVille is $54.66. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Cadillac DeVille model years?

Yes, we carry Engine Cooling Parts for 51 model years of Cadillac DeVilles between 1953 and 2005. The following model years are the most popular for Engine Cooling Part purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Engine Cooling Parts for my 1978 Cadillac DeVille?

The cheapest 1978 Cadillac DeVille Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 1978 Cadillac models?

Yes. We stock Engine Cooling Parts for 3 other popular 1978 Cadillac models. Some of the most popular are 1978 Eldorado Engine Cooling Parts, 1978 Seville Engine Cooling Parts, 1978 Fleetwood Engine Cooling Parts, and 1978 Commercial Chassis Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 1978 Cadillac DeVille?

Based on 1,090 reviews by customers, our 1978 Cadillac DeVille Engine Cooling Parts have an average customer rating of 3.9 stars. These are the highest-rated categories of Engine Cooling Parts for the 1978 Cadillac DeVille and their top-rated products:

What types of Engine Cooling Parts do you sell for my 1978 Cadillac DeVille?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 1978 Cadillac DeVille:

Can I get help with 1978 Cadillac DeVille Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Cooling Parts and more.

What is your return policy for Cadillac DeVille Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Cadillac DeVille Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.