How to replace a thermostat in a cooling system?

To remove the thermostat, disconnect the cable from the negative terminal and drain the cooling system. Loosen the hose clamp and remove the hose from the thermostat housing, or the thermostat housing cover with the radiator hose attached if the clamp cannot be accessed and remove the thermostat cover mounting bolts and detach the housing cover.

Genuine Cadillac Deville Thermostat

Engine Coolant Thermostat

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14 Thermostats found

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Cadillac Deville Thermostat,Engine Coolant
Part Number: 12559807
$43.23 MSRP: $87.72
You Save: $44.49 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12555811, 12554784, 3531407
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2005 Cadillac Deville | 4 DOOR, DEVILLE, FUNERAL COACH, HIGH LUXURY, LIMOUSINE, SEVILLE, SLS, STS, TOURING 4 DOOR, TOURING SEDAN | 8 Cyl 4.6L
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Cadillac Deville Thermostat,Engine Coolant
Part Number: 3539588
$9.25 MSRP: $17.46
You Save: $8.21 (48%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1995 Cadillac Deville | 2 DOOR, 4 DOOR, 60 SPECIAL 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, CONVERSION, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART, TOURING 4 DOOR | 8 Cyl 4.1L, 8 Cyl 4.5L, 8 Cyl 4.9L
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Cadillac Deville Housing, Thermostat
Part Number: 1647540
$11.14 MSRP: $21.01
You Save: $9.87 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing, Water Outlet
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2005 Cadillac Deville | 4 DOOR, DEVILLE, FUNERAL COACH, HIGH LUXURY, LIMOUSINE, SEVILLE, SLS, STS, TOURING 4 DOOR, TOURING SEDAN | 8 Cyl 4.6L
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Cadillac Deville Thermostat,Engine Coolant
Part Number: 12514334
$12.91 MSRP: $23.16
You Save: $10.25 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR | 6 Cyl 4.1L
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Cadillac Deville Thermostat
Part Number: 1618063
$13.05 MSRP: $14.62
You Save: $1.57 (11%)
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, FORMAL LIMOUSINE, LIMOUSINE
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Cadillac Deville Thermostat,Engine Coolant
Part Number: 10207373
$10.85 MSRP: $19.72
You Save: $8.87 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1984 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, FORMAL LIMOUSINE, LIMOUSINE | 8 Cyl 5.7L Diesel
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Cadillac Deville Thermostat Assembly, Engine Coolant
Part Number: 1623547
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1984 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, FORMAL LIMOUSINE, LIMOUSINE | 6 Cyl 4.1L, 8 Cyl 4.1L, 8 Cyl 5.7L Diesel
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Cadillac Deville Housing, Engine Coolant Thermostat Lower
Part Number: 1620610
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1984 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, FORMAL LIMOUSINE, LIMOUSINE | 6 Cyl 4.1L, 8 Cyl 4.1L, 8 Cyl 5.7L Diesel
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Cadillac Deville Housing
Part Number: 1646974
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing, Thermostat Outlet Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Cadillac Deville | 2 DOOR, 4 DOOR, 60 SPECIAL 4 DOOR, CONVERSION, TOURING 4 DOOR | 8 Cyl 4.5L, 8 Cyl 4.9L
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Cadillac Deville Thermostat Assembly, Engine Coolant
Part Number: 10207381
$22.58 MSRP: $40.52
You Save: $17.94 (45%)
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 03054228, 3054228
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART | 6 Cyl 4.3L Diesel
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Cadillac Deville Housing
Part Number: 3520936
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing, Thermostat Outlet Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Cadillac Deville | 2 DOOR, 4 DOOR, 60 SPECIAL 4 DOOR, CONVERSION, TOURING 4 DOOR | 8 Cyl 4.5L, 8 Cyl 4.9L
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Cadillac Deville Housing, Engine Coolant Thermostat Upper
Part Number: 1609644
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1984 Cadillac Deville | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, FORMAL LIMOUSINE, LIMOUSINE | 6 Cyl 4.1L, 8 Cyl 4.1L, 8 Cyl 5.7L Diesel
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Cadillac Deville Housing
Part Number: 1621087
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1989 Cadillac Deville | 2 DOOR, 4 DOOR, 60 SPECIAL 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, CONVERSION, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART | 8 Cyl 4.1L, 8 Cyl 4.5L
View related parts
Cadillac Deville Housing
Part Number: 1625774
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1989 Cadillac Deville | 2 DOOR, 4 DOOR, 60 SPECIAL 4 DOOR, BROUGHAM 2 DOOR FWD, BROUGHAM 4 DOOR FWD, CONVERSION, FUNERAL COACH, LIMOUSINE 4 DOOR, LIMOUSINE 4 DOOR CTR PART | 8 Cyl 4.1L, 8 Cyl 4.5L

Cadillac Deville Thermostat

Cadillac DeVille Thermostat is another major part of the automobile which functions in the system of cooling, often located next to the radiator. The main task of the appliance is to maintain the temperature of the engine at the proper level to perform the tasks it was designed for. Thermostats are closed loop control devices that provide a wanted temperature setpoint and manage heat transfer fluids. Different types of thermostat have been used in the past and present some of them include the mechanical thermostat such as bimetallic strips and wax pellets and pneumatic thermostat that use air filled control tubes. These improvements have made it easier to control temperature within automotive systems hence improving comfort and functionality particular to Cadillac DeVille automobiles.

Each OEM Cadillac Deville Thermostat we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Cadillac Deville Thermostat Parts Questions & Experts Answers

Thermostat,Engine Coolant
12559807
Q: How to replace a thermostat in a cooling system?
A: To remove the thermostat, disconnect the cable from the negative terminal and drain the cooling system. Loosen the hose clamp and remove the hose from the thermostat housing, or the thermostat housing cover with the radiator hose attached if the clamp cannot be accessed and remove the thermostat cover mounting bolts and detach the housing cover.