How to replace the thermostat (LP1, LY7) on Cadillac CTS?

To replace the Thermostat (LP1, LY7) first start to partially drain off the cooling system. It is very important not to divide the upper and bottom intake manifolds; rather, extract the upper Intake Manifold as well as the lower Intake Manifold. Remove the surge tank hose from the Thermostat, remove coolant pipe/Thermostat housing bolt and the coolant pipe upper bolt. Then unscrew the coolant inlet pipe from the Thermostat and remove the Thermostat bolts. Remove the Thermostat and throw away the Thermostat seal. For installation: install the new Thermostat with a new Thermostat seal and install the Thermostat bolts while tightening the bolts by applying the 10nm (89 inch lbs). Replace the old pipe with a newpipe and seal, then attach the surge tank hose to the Thermostat. Lastly, install again the upper Intake Manifold with the lower Intake Manifold and fill up the cooling system.

How to replace the engine coolant thermostat on Cadillac Escalade?

The engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) tool should be used to start the Thermostat Housing retrieval process. Next, take out the Thermostat. Follow the engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) () instructions to place the new Thermostat while you reinstall the Thermostat Housing.

OEM Cadillac Thermostat

Engine Coolant Thermostat

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43 Thermostats found

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Cadillac Thermostat Unit Part Number: 12600171
$24.02 MSRP: $45.12
You Save: $21.10 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 12581595
Fits the following Cadillac Models:
- CTS | 2004-2007 | V | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
- Escalade | 2004-2006 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2004-2006 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2004-2006 | Base | 8 Cyl 6.0 L GAS
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Cadillac Thermostat Part Number: 12601556
$23.22 MSRP: $43.60
You Save: $20.38 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Engine Coolant Thermostat
Fits the following Cadillac Models:
- STS | 2006-2009 | V | 8 Cyl 4.4 L GAS
- XLR | 2006-2009 | V | 8 Cyl 4.4 L GAS
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Cadillac Thermostat Part Number: 12555290
$37.82 MSRP: $75.06
You Save: $37.24 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 10128336, 10223370
Fits the following Cadillac Models:
- Fleetwood | 1993-1994 | Base, Brougham | 8 Cyl 5.7 L GAS
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Cadillac Thermostat Part Number: 12632948
$29.83 MSRP: $56.02
You Save: $26.19 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12257859, 12563335, 12557859, 12597583, 12551472
Fits the following Cadillac Models:
- Escalade | 1999-2000 | Base | 8 Cyl 5.7 L GAS
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Cadillac Thermostat Housing Part Number: 12638452
$119.89 MSRP: $225.15
You Save: $105.26 (47%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- XTS | 2014-2019 | Vsport Platinum, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac Thermostat Housing Part Number: 12689039
$80.70 MSRP: $146.06
You Save: $65.36 (45%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 12651113
Fits the following Cadillac Models:
- SRX | 2010-2016 | Base, Luxury, Performance, Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- XTS | 2013 | Base, Livery, Luxury, Platinum, Premium | 6 Cyl 3.6 L GAS
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Cadillac Thermostat Housing Part Number: 12671038
$41.88 MSRP: $78.64
You Save: $36.76 (47%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- CT6 | 2019-2020 | Platinum, V | 8 Cyl 4.2 L GAS
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Cadillac Thermostat Part Number: 10207373
$11.27 MSRP: $20.12
You Save: $8.85 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
Fits the following Cadillac Models:
- Brougham | 1992 | Base, d'Elegance | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Cadillac Thermostat Part Number: 25200456
$55.88 MSRP: $92.05
You Save: $36.17 (40%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant (W/Water Inlet); Thermostat, Engine Coolant Temperature; Thermostat, Engine Coolant Pump
- Replaces: 55576890, 55593035
Fits the following Cadillac Models:
- ELR | 2014-2016 | Base | 4 Cyl 1.4 L PLUG-IN HYBRID EV-GAS (PHEV)
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Cadillac Thermostat Part Number: 24420653
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
Fits the following Cadillac Models:
- CTS | 2003-2004 | Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
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Cadillac Thermostat Housing, Lower Part Number: 1620610
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Lower; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Lower
Fits the following Cadillac Models:
- Eldorado | 1984-1985 | Base, Biarritz, Cabriolet, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
- Seville | 1984-1985 | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Thermostat Housing Part Number: 1646974
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- 60 Special | 1993 | Base | 8 Cyl 4.9 L GAS
- Brougham | 1990 | Base, d'Elegance | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- DeVille | 1992-1995, 1990 | Base, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Eldorado | 1992-1993, 1990 | Base, Biarritz, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Fleetwood | 1992, 1990 | 60 Special, Base, d'Elegance | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Seville | 1992-1993, 1990 | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Thermostat Housing Part Number: 12596643
Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Thermostat Housing Cover
- Replaces: 12569097
Fits the following Cadillac Models:
- SRX | 2004-2009 | Base | 8 Cyl 4.6 L GAS
- STS | 2005-2010 | Base, Platinum | 8 Cyl 4.6 L GAS
- XLR | 2004-2009 | Base, Platinum | 8 Cyl 4.6 L GAS
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Cadillac Thermostat Part Number: 12620250
Product Specifications
- Other Name: Cover
Fits the following Cadillac Models:
- CTS | 2008 | Base | 6 Cyl 3.6 L GAS
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Cadillac Thermostat Housing Part Number: 10116245
Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Thermostat Housing Cover; Housing Kit, Engine Coolant Thermostat
Fits the following Cadillac Models:
- Cimarron | 1984-1985 | Base, d'Oro | 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Cadillac Thermostat Part Number: 3041390
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
Fits the following Cadillac Models:
- Eldorado | 1984-1985 | Base, Biarritz, Cabriolet, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Thermostat Housing Part Number: 3520936
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Thermostat Outlet Housing; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- 60 Special | 1993 | Base | 8 Cyl 4.9 L GAS
- Brougham | 1990-1991 | Base, d'Elegance | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- DeVille | 1990-1995 | Base, Spring Edition, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Eldorado | 1990-1993 | Base, Biarritz, Spring Edition, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Fleetwood | 1990-1992 | 60 Special, Base, d'Elegance | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Seville | 1990-1993 | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Thermostat Housing, Upper Part Number: 1609644
Product Specifications
- Other Name: Housing-Engine Coolant Thermostat Upper; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Position: Upper
Fits the following Cadillac Models:
- Eldorado | 1984-1985 | Base, Biarritz, Cabriolet, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
- Seville | 1984-1985 | Base, Elegante | 8 Cyl 4.1 L GAS
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Cadillac Thermostat Housing Part Number: 1621087
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- Brougham | 1987 | Base, d'Elegance | 8 Cyl 5.0 L GAS
- DeVille | 1985-1987 | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS
- Fleetwood | 1985-1987 | 60 Special, 75, 75 Formal, Base, Brougham, Brougham d'Elegance, d'Elegance | 8 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS
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Cadillac Thermostat Housing Part Number: 1625774
Product Specifications
- Other Name: Housing; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following Cadillac Models:
- Brougham | 1987-1989 | Base, d'Elegance | 8 Cyl 5.0 L GAS
- DeVille | 1985-1989 | Base, Cabriolet, d'Elegance, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS
- Eldorado | 1988-1989 | Base, Biarritz | 8 Cyl 4.5 L GAS
- Fleetwood | 1985-1989 | 60 Special, 75, 75 Formal, Base, Brougham, Brougham d'Elegance, d'Elegance | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS, 8 Cyl 5.0 L GAS
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1-20 of 43 Results

Cadillac Thermostat

Choose OEM Thermostat, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Cadillac's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Cadillac Thermostat. You can shop at highly competitive prices and protect your budget. All our genuine Cadillac parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Cadillac Thermostat maintains the optimal engine heat, which safeguards power and conserves fuel. A native born in 1902, Cadillac combines the edge of the knife with luxurious cabins, large screens, and soft silent ride time that transforms cross-town traffic into lounging. Every Cadillac offers the occupant swift steering, assured braking, and electric-prepared platforms that promise the tomorrow through the current roads. Within, Cadillac envelops occupants with high-quality leather, noise cancelling, and bright interfaces at the touch of a button. Roads are long highways that are easy to drive through because of adaptive cruise, spacious seats with wide suspensions, and filter out the pothole chatter. The legacy of the badge is the combination of luxury and performance; thus, drivers can never decide between silk and speed. Software upgrades introduce new tricks to dashboards constantly to ensure that old cars feel new. The Thermostat closes the coolant loop when the motor is cold, then opens the loop when the motor attains approximately 195 degrees to release excess heat into the radiator, eliminating detonation, oil decay, and metal distortion during full-throttle pulls. A frozen Thermostat will cause you to shake in a car with no cabin heat or, even worse, a frozen car with smoking hose and distorted heads when it gets stuck. Each Thermostat, either mechanical or pneumatic, detects temperature by the action of wax or diaphragm and automatically regulates the flow to ensure that each mile is smooth and each gauge needle is in repose.

Cadillac Thermostat Parts and Q&A

Thermostat Unit
12600171
Q: How to replace the thermostat (LP1, LY7) on Cadillac CTS?
A:
To replace the Thermostat (LP1, LY7) first start to partially drain off the cooling system. It is very important not to divide the upper and bottom intake manifolds; rather, extract the upper Intake Manifold as well as the lower Intake Manifold. Remove the surge tank hose from the Thermostat, remove coolant pipe/Thermostat housing bolt and the coolant pipe upper bolt. Then unscrew the coolant inlet pipe from the Thermostat and remove the Thermostat bolts. Remove the Thermostat and throw away the Thermostat seal. For installation: install the new Thermostat with a new Thermostat seal and install the Thermostat bolts while tightening the bolts by applying the 10nm (89 inch lbs). Replace the old pipe with a newpipe and seal, then attach the surge tank hose to the Thermostat. Lastly, install again the upper Intake Manifold with the lower Intake Manifold and fill up the cooling system.
Thermostat
89018168
Q: How to replace the engine coolant thermostat on Cadillac Escalade?
A:
The engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) tool should be used to start the Thermostat Housing retrieval process. Next, take out the Thermostat. Follow the engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) () instructions to place the new Thermostat while you reinstall the Thermostat Housing.