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Get affordable Cadillac DeVille expansion tanks you deserve. In just 10 minutes, you could save up to 80% with PartsGeek. Save time and dollars on your next DeVille radiator overflow tanks purchase. Over 12 Years of saving people money and providing great customer service. Check our low-cost options today. The average cost for expansion tank replacement is between $16.98 and $153.98

Cadillac DeVille Expansion Tank Reviews
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Shop Cadillac DeVille Replacement Expansion Tank

Cadillac makes automobiles that provide the epitome of high-class and performance arranged in a safe and beautiful design. Cadillac is a celebrated dealer of high end, high performance machine that feature high speed functions and majestic drive feel. To keep the comfort and style you made an investment in with your Cadillac DeVille, it's key to use only the top names in brand name OEM parts. Would a smart driver spend a big check on a great luxury car, and then save pennies on new parts? Comfort-focused cars including the plush Cadillac DeVille were manufactured to be made use of carefully and also given needed repairs. Your fine Cadillac was assembled with quality and expertise; it deserves replacement components of the same top level of quality. Cadillac DeVille Expansion Tanks provide a place for the coolant to expand as it is heated, saving your cooling system from cracking or boiling over, or fluid from overflowing from the cooling system. Your car's Cadillac DeVille Expansion Tank in an essential part of your car's coolant system, which prevents your vehicle's engine from overheating and allows your vehicle to maintain the perfect temperature. You should inspect the level of antifreeze in the Cadillac DeVille Expansion Tank every now and then because sudden drops in the coolant level indicate that there is a leak in the vehicle's cooling system. Top-notch capacity and automotive performance depend on first-rate parts and accessories. If you chose a high-performance vehicle for its excellent power and performance, keep up your decision by using high quality aftermarket parts and accessories. No one will ever give you a better price for Cadillac accessories than us. The Cadillac DeVille is a wonderful thing ... keep it running like a champ with our selection of quality parts. If you want unbeatable performance out of your car or truck, you know that quality parts are part of awesome performance - PartsGeek.com sells those quality parts right here.

We stock these Expansion Tank brands for the Cadillac DeVille: ReplacementDormanAction CrashSKPDIY SolutionsBrockAC Delco

Expansion Tank for Cadillac DeVille - Partsgeek

Select your DeVille year

Review Fitment Notes
Showing 19 of 111 Results
Replacement Expansion Tank - for 1999 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
Replacement Expansion Tank - for 1999 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
4.3 Stars
Replacement 123-015
Expansion Tank
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Part Number: 123-015
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Product Remark: 4.6L 4.9L V8
Condition: New
Shipping Options: Free Ground Shipping
$53.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine
1999 Cadillac DeVille 4.6L V8
Replacement Expansion Tank - for 1998 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
Replacement Expansion Tank - for 1998 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
4.3 Stars
Replacement 123-015
Expansion Tank
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Part Number: 123-015
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Product Remark: 4.6L 4.9L V8
Condition: New
Shipping Options: Free Ground Shipping
$53.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine
1998 Cadillac DeVille 4.6L V8
Replacement Expansion Tank - for 1997 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
Replacement Expansion Tank - for 1997 Cadillac DeVille 4.6L V8 - 123-015 Click to Enlarge
4.3 Stars
Replacement 123-015
Expansion Tank
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Part Number: 123-015
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Product Remark: 4.6L 4.9L V8
Condition: New
Shipping Options: Free Ground Shipping
$53.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine
1997 Cadillac DeVille 4.6L V8
Replacement Expansion Tank - for 2000 Cadillac DeVille 4.6L V8 - 123-076 Click to Enlarge
Replacement Expansion Tank - for 2000 Cadillac DeVille 4.6L V8 - 123-076 Click to Enlarge
5 Stars
Replacement 123-076
Expansion Tank
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Part Number: 123-076
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK BOTTLE, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$60.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine
2000 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 2000 Cadillac DeVille 4.6L V8 - 603-122 Click to Enlarge
4.7 Stars
Dorman 603-122
Expansion Tank
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Part Number: 603-122
Brand: Dorman
Notes: Engine Coolant Reservoir -- Updated Design; May require Quick connect fitting (800-409) and an additional Surge Tank Outlet Hose
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black/White
Shipping Options: Ground
$84.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2000 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 2001 Cadillac DeVille 4.6L V8 - 603-122 Click to Enlarge
4.7 Stars
Dorman 603-122
Expansion Tank
Loading Reviews...
Part Number: 603-122
Brand: Dorman
Notes: Engine Coolant Reservoir -- Updated Design; May require Quick connect fitting (800-409) and an additional Surge Tank Outlet Hose
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black/White
Shipping Options: Ground
$84.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 2002 Cadillac DeVille 4.6L V8 - 603-122 Click to Enlarge
4.7 Stars
Dorman 603-122
Expansion Tank
Loading Reviews...
Part Number: 603-122
Brand: Dorman
Notes: Engine Coolant Reservoir -- Updated Design; May require Quick connect fitting (800-409) and an additional Surge Tank Outlet Hose
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black/White
Shipping Options: Ground
$84.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 1999 Cadillac DeVille 4.6L V8 - 603-133 Click to Enlarge
4.9 Stars
Dorman 603-133
Expansion Tank
Loading Reviews...
Part Number: 603-133
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black
Shipping Options: Ground
$85.43
(23) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1999 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 2003 Cadillac DeVille 4.6L V8 - 603-122 Click to Enlarge
4.7 Stars
Dorman 603-122
Expansion Tank
Loading Reviews...
Part Number: 603-122
Brand: Dorman
Notes: Engine Coolant Reservoir -- Updated Design; May require Quick connect fitting (800-409) and an additional Surge Tank Outlet Hose
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black/White
Shipping Options: Ground
$84.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Cadillac DeVille 4.6L V8
Dorman Expansion Tank - for 1999 Cadillac DeVille - W0133-1820133 Click to Enlarge
5 Stars
Dorman W0133-1820133
Expansion Tank
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Part Number: W0133-1820133
Brand: Dorman
Notes: (Includes Coolant Sensor)
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$154.25
Our Price: $87.58
(17) In Stock
This Part Fits:
Catalog: A
Vehicle
1999 Cadillac DeVille
Front Dorman Expansion Tank - for 1998 Cadillac DeVille 4.6L V8 - 603-133 Click to Enlarge
4.9 Stars
Dorman 603-133
Expansion Tank
Loading Reviews...
Part Number: 603-133
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black
Shipping Options: Ground
$85.43
(23) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1998 Cadillac DeVille 4.6L V8
Front Dorman Expansion Tank - for 1997 Cadillac DeVille 4.6L V8 - 603-133 Click to Enlarge
4.9 Stars
Dorman 603-133
Expansion Tank
Loading Reviews...
Part Number: 603-133
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black
Shipping Options: Ground
$85.43
(23) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1997 Cadillac DeVille 4.6L V8
Action Crash Expansion Tank - for 1995 Cadillac DeVille - GM3014108 Click to Enlarge
4.8 Stars
Action Crash GM3014108
Expansion Tank
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Part Number: GM3014108
Brand: Action Crash
Notes: COOLANT RECOVERY TANK PLASTIC
Product Remark: 4.9L; Automatic Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$23.37
Our Price: $16.98
(5) In Stock
This Part Fits:
Catalog: D
Vehicle Drive Type Notes
1995 Cadillac DeVille FWD COOLANT RECOVERY TANK PLASTIC
Action Crash Expansion Tank - for 1994 Cadillac DeVille - GM3014108 Click to Enlarge
4.8 Stars
Action Crash GM3014108
Expansion Tank
Loading Reviews...
Part Number: GM3014108
Brand: Action Crash
Notes: COOLANT RECOVERY TANK PLASTIC
Product Remark: 4.9L; Automatic Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$23.37
Our Price: $16.98
(5) In Stock
This Part Fits:
Catalog: D
Vehicle Drive Type Notes
1994 Cadillac DeVille FWD COOLANT RECOVERY TANK PLASTIC
Front Dorman Expansion Tank - for 2004 Cadillac DeVille 4.6L V8 - 603-122 Click to Enlarge
4.7 Stars
Dorman 603-122
Expansion Tank
Loading Reviews...
Part Number: 603-122
Brand: Dorman
Notes: Engine Coolant Reservoir -- Updated Design; May require Quick connect fitting (800-409) and an additional Surge Tank Outlet Hose
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap
Color: Black/White
Shipping Options: Ground
$84.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Cadillac DeVille 4.6L V8
SKP Expansion Tank - for 1999 Cadillac DeVille 4.6L V8 - SK603133 Click to Enlarge
5 Stars
SKP SK603133
Expansion Tank
Loading Reviews...
Part Number: SK603133
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Ground
$40.98
(2) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
1999 Cadillac DeVille 4.6L V8
DIY Solutions Expansion Tank - for 2005 Cadillac DeVille 4.6L V8 - HVA02868 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02868
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- V8 4.6L
Condition: New
Package Contents: Level Sensor
Shipping Options: Free Ground Shipping
$75.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2005 Cadillac DeVille 4.6L V8
Brock Expansion Tank - for 2005 Cadillac DeVille DHS FWD 4.6L V8 Naturally Aspirated DOHC GAS - Sedan 4dr - 1667-0003 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 1667-0003
Brand: Brock
Notes: Engine Coolant Reservoir -- 00-05 Cadillac Deville 4.6L DOHC Coolant Overflow Reservoir with Low Fluid Sensor 01-03 Oldsmobile Aurora 3.5L/4.0L 04-05 Pontiac Bonneville 4.6L
Condition: New
Shipping Options: Free Ground Shipping
$53.98
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: K
Vehicle Sub Model Body Engine Notes
2005 Cadillac DeVille DHS FWD Sedan 4dr 4.6L V8 Naturally Aspirated DOHC GAS With 4.6L DOHC engines ONLY
AC Delco Expansion Tank - for 2005 Cadillac DeVille DTS - 25774005 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 25774005
Brand: AC Delco
Notes: Engine Coolant Reservoir -- New; WILL REQUIRE SURGE TANK OUTLET HOSE 25748907 & FITTING 15151875, IF QUICK CONNECT FITTING ISN"T PRESENT AT SURGE TANK OUTLET.; INCLUDES SENSOR
Condition: New
Shipping Options: Ground
$153.98
(10) In Stock
This Part Fits:
Catalog: N
Vehicle Sub Model
2005 Cadillac DeVille DTS

Related Cooling System Parts

Research on Expansion Tank for Cadillac DeVille

Engine coolant needs a place to go, especially since it expands and contracts with the intense heating and cooling cycles under the hood. Like all components near the engine, the expansion tank is subject to a lot of stress. Over time, it can get damaged, or seals can wear out. The coolant reservoir is often made of plastic. It stores any coolant that overflows, until its temperature is low enough for the fluid to return to the system. If the tank ruptures or leaks, then you will lose engine coolant and risk serious damage.

Signs of an Expansion Tank Problem

The expansion tank also helps regulate how much coolant goes into the engine, depending on how much it needs. It is pressurized as well in some vehicles. It's therefore essential for the motor to run properly. An early sign of a problem is when you have to keep adding coolant. Small cracks can cause coolant to leak and evaporate slowly at first. The leak may not be obvious, but the reservoir can soon run dry. A 2003 Cadillac DeVille coolant level sensor, for example, can detect a drop in fluid and trigger a warning light. Otherwise, you may need a 2001 Cadillac DeVille coolant reservoir inspection to uncover the problem and have a mechanic replace the tank. Fluid leaks can appear as drips, steam, or puddles on the ground. The tank can crack or break because of age, or overheating. That's another sign of a tank problem as well; the engine will overheat if there's not enough coolant due to a leak or lack or pressure.

How Do Coolant Expansion Tanks Work?

Coolant expands when it heats up, and the overflow tank will collect it. Once heat is lost, the fluid stored within this plastic container will be returned to the system. The tank may work together with the radiator cap, to prevent coolant loss and protect the engine. It therefore works in conjunction with the radiator and other vital parts of the cooling system.

How Much Is a Coolant Reservoir?

Replacing a coolant expansion tank can cost somewhere around $150, in general. The actual price depends on the car and where you are located. A 2001 Cadillac DeVille coolant tank goes for around $80, but you may spend more or less on a 1998 model depending on the supplier. Your mechanic, plus the taxes and fees they charge, will determine the final cost of the bill. Expansion tanks are generally not that expensive, but there is some labor involved in removing and installing them, and mechanics must charge you for their time.

Saving on an Expansion Tank

Spending less on a new expansion tank or 1998 Cadillac DeVille radiator removal and replacement is possible. You can go to PartsGeek.com and use the various browsing tools to find products in our exclusive online catalog of automotive parts and accessories. Since our overhead is so low, we can offer replacement parts at minimal prices. You therefore restore your ride and don't have to spend through the roof.

Expansion Tanks available for the following Cadillac DeVille years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96, 95, 94, 93, 92, 91. This part is also sometimes called Cadillac DeVille Radiator Overflow Tank. We stock expansion tank parts for most Cadillac models including Seville, DTS, Eldorado, Fleetwood, Escalade, SRX, CTS, STS, ATS, Catera, Escalade ESV, Escalade EXT, 60 Special and CT6.

Cadillac DeVille Expansion Tank Reviews
5 of 5
Verified Customer
1/12/14 12:04 AM - USA

The order is correct and delivered. Very prompt shipping. Very pleased.thanks - Rolls Royce

- 2002 Cadillac DeVille Expansion Tank
5 of 5
Verified Customer
4/6/14 08:24 AM - USA

I was in need of one of these items. Not wanting to pay the best local price of $112.00 plus local tax, I found parts geek. I realized a way cheaper price, a 3 year warranty, and got it delivered to my doorstep within days!!!!!! Total cost of $85. How awesome is that!!!!!! Parts geek has a new customer here!!!!! - Great service

- 2000 Cadillac DeVille Expansion Tank
4 of 5
Verified Customer
5/3/14 09:35 AM - USA

Part fit just right easy to install. Just what I was looking for. - Steve R

- 2001 Cadillac DeVille Expansion Tank
5 of 5
Verified Customer
10/21/14 02:46 PM - USA

Received part good condition. It worked perfectly. Back on the road :) - 1998 Cadillac DeVille Dorman Expansion Tank

- 1998 Cadillac DeVille Expansion Tank
5 of 5
Verified Customer
1/29/15 08:46 AM - USA

was exact fit for my car, service was very good. and fast - great part for my car

- 1998 Cadillac DeVille Expansion Tank
5 of 5
Verified Customer
2/13/15 05:57 AM - USA

Top product, most reasonable price, fast delivery, very satisfied customer. - Tawanda

- 1998 Cadillac DeVille Expansion Tank