How to replace the thermostat housing outlet on the LY7 or LLT engine on 2008 Cadillac CTS?

To change the thermostat housing on LY7 or LLT engine, empty out the cooling system partially. In the case of the LLT engine, take out the throttle body. Disconnect the radiator hose, loosen the bolts of the thermostat housing and wipe the sealing surfaces. Install new seals, reconnect radiator hose, and fill the cooling system.

OEM 2008 Cadillac CTS Thermostat Housing

Engine Coolant Thermostat Housing

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4 Thermostat Housings found

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2008 Cadillac CTS Thermostat Housing Part Number: 12706567
$141.01 MSRP: $289.76
You Save: $148.75 (52%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 12584433, 12620259, 12597255, 12573977
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12706567
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Cadillac CTS Submodels:
- Base | 6 Cyl 3.6 L GAS
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2008 Cadillac CTS Thermostat Housing Part Number: 12706566
$151.50 MSRP: $271.75
You Save: $120.25 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Housing, Engine Coolant Thermostat
- Replaces: 12638185, 12652328, 12620251
- Condition: New
- SKU: 12706566
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Cadillac CTS Submodels:
- Base, Luxury, Performance, Premium, Vsport, Vsport Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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2008 Cadillac CTS Thermostat Part Number: 12620250
Product Specifications
- Other Name: Cover
- Item Weight: 1.30 Pounds
- Item Dimensions: 6.4 x 6.4 x 4.5 inches
- Condition: New
- SKU: 12620250
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Cadillac CTS Submodels:
- Base | 6 Cyl 3.6 L GAS
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2008 Cadillac CTS Thermostat Housing Part Number: 12620248
Product Specifications
- Other Name: Housing; Thermostat Housing Cover
- Condition: New
- SKU: 12620248
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Cadillac CTS Submodels:
- Base | 6 Cyl 3.6 L GAS

2008 Cadillac CTS Thermostat Housing

With a comprehensive array of OEM 2008 Cadillac CTS Thermostat Housing, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 Cadillac CTS Thermostat Housing are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2008 Cadillac CTS Thermostat Housing Parts and Q&A

Q: How to replace the thermostat housing outlet on the LY7 or LLT engine on 2008 Cadillac CTS?
A: To change the thermostat housing on LY7 or LLT engine, empty out the cooling system partially. In the case of the LLT engine, take out the throttle body. Disconnect the radiator hose, loosen the bolts of the thermostat housing and wipe the sealing surfaces. Install new seals, reconnect radiator hose, and fill the cooling system.