How to replace the engine coolant thermostat on GMC Yukon?

First, remove the Thermostat Housing when changing the engine coolant Thermostat. Next, take out the Thermostat. Place the new Thermostat first and then rehouse it in its position.

OEM GMC Yukon Thermostat

Engine Coolant Thermostat

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8 Thermostats found

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GMC Yukon Thermostat Housing Part Number: 12674639
$59.91 MSRP: $123.10
You Save: $63.19 (52%)
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Product Specifications
- Other Name: Outlet Assembly-Water Pump (W/Thermostat); Engine Coolant Thermostat Housing; Thermostat Housing Cover; Water Outlet; Thermostat; Outlet, Engine Coolant Pump
- Replaced by: 19474058
- Replaces: 12666569, 12671393, 12657137
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 GMC Yukon | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Yukon 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 5.7 L GAS
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GMC Yukon Thermostat Part Number: 89018168
$36.41 MSRP: $72.25
You Save: $35.84 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 89017851
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023, 2007-2014 GMC Yukon | AT4, Denali, Denali Hybrid, Hybrid, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Yukon Thermostat Part Number: 10190925
$14.60 MSRP: $27.42
You Save: $12.82 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 10147886, 10190927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 GMC Yukon | Base, GT, SLE, SLT, Sport | 8 Cyl 5.7 L GAS
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GMC Yukon Thermostat Unit Part Number: 12600171
$24.02 MSRP: $45.12
You Save: $21.10 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 12581595
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Yukon Thermostat Part Number: 19420815
$40.28 MSRP: $79.96
You Save: $39.68 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat Kit, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 GMC Yukon | AT4, Denali, Denali Ultimate | 8 Cyl 6.2 L GAS
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GMC Yukon Thermostat Part Number: 12559336
$35.26 MSRP: $66.22
You Save: $30.96 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12554977
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 GMC Yukon | SL, SLE, SLT | 8 Cyl 6.5 L DIESEL
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GMC Yukon Thermostat Part Number: 12559338
$39.32 MSRP: $70.21
You Save: $30.89 (44%)
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 10154622, 12551496
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC Yukon | Base, SLE, SLT, Sport | 8 Cyl 6.5 L DIESEL

GMC Yukon Thermostat

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The Thermostat is part of the cooling chamber and is fixed in the vicinity of the radiator to control the temperature in GMC Yukon automobiles. One of its main purposes is to regulate the temperature of the engine and operate at its premier capability. The thermostat works the same way as a closed loop control system, in that it turns the heating or cooling on/off depending on the temperature. Different models of GMC Yukon have featured different kinds of thermostats; mechanical kinds include bimetallic strips and wax pellet thermostats. A good example is the wax pellet thermostats which are utilized because they have the capacity to alter their size according to changes in temperature of an engine. Technological improvements in thermostats go to the central aspect of enhancing the car's efficiency and comfort in as much as it is significant in the general health of the car's engine.

GMC Yukon Thermostat Parts and Q&A

Thermostat
89018168
Q: How to replace the engine coolant thermostat on GMC Yukon?
A:
First, remove the Thermostat Housing when changing the engine coolant Thermostat. Next, take out the Thermostat. Place the new Thermostat first and then rehouse it in its position.