How to replace the thermostat on Cadillac Seville?

Parts drainage and air cleaner disassembly should be your first steps before commencing Thermostat replacement. You will need the hose clamp pliers (J38185) to separate the radiator outlet hose from the Thermostat Housing. The procedure requires removal of the housing bolts which attach to the water pump inlet alongside the extraction of the Thermostat with its gasket from the water pump housing. Install the new gasket with Thermostat into the water pump housing before installing the Thermostat Housing back into place while tightening bolts to 10 nm (89 inch lbs.). You should first use hose clamp pliers (J38185) to attach the radiator outlet hose to the Thermostat Housing followed by reinstalling the air cleaner assembly and completing the cooling system refill process.

OEM Cadillac Seville Thermostat

Engine Coolant Thermostat

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8 Thermostats found

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Cadillac Seville Thermostat
Part Number: 3539588
$8.96 MSRP: $17.46
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Product Specifications
- Other Name: Thermostat, Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Cadillac Seville | Base, STS | 8 Cyl 4.9 L GAS
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Cadillac Seville Thermostat Housing
Part Number: 1647540
$11.19 MSRP: $21.01
You Save: $9.82 (47%)
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Product Specifications
- Other Name: Housing E; Thermostat Housing Cover; Water Outlet; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Thermostat
Part Number: 12559807
$46.49 MSRP: $92.28
You Save: $45.79 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12555811, 12554784, 3531407
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Thermostat Housing
Part Number: 1646974
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993, 1990 Cadillac Seville | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Thermostat
Part Number: 1623547
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville Thermostat Housing, Lower
Part Number: 1620610
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Lower; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Seville Thermostat Housing
Part Number: 3520936
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1993 Cadillac Seville | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Seville Thermostat Housing, Upper
Part Number: 1609644
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Upper; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS

Cadillac Seville Thermostat

Our website offers an extensive catalog of genuine Cadillac Seville Thermostat at unbeatable prices. Every OEM Cadillac Seville Thermostat comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Cadillac Seville Thermostat Parts Questions & Experts Answers

Thermostat
12559807
Q: How to replace the thermostat on Cadillac Seville?
A: Parts drainage and air cleaner disassembly should be your first steps before commencing Thermostat replacement. You will need the hose clamp pliers (J38185) to separate the radiator outlet hose from the Thermostat Housing. The procedure requires removal of the housing bolts which attach to the water pump inlet alongside the extraction of the Thermostat with its gasket from the water pump housing. Install the new gasket with Thermostat into the water pump housing before installing the Thermostat Housing back into place while tightening bolts to 10 nm (89 inch lbs.). You should first use hose clamp pliers (J38185) to attach the radiator outlet hose to the Thermostat Housing followed by reinstalling the air cleaner assembly and completing the cooling system refill process.

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