How to check and replace a thermostat in a cooling system on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

Before assuming the thermostat is to blame for a cooling system problem, it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. To remove and install the thermostat, follow the steps for either the V6 or V8 model. Also, clean the mating surfaces, install a new rubber O-ring around the thermostat, and check and replace hoses and clamps as necessary. Installation is the reverse of the removal. After installation, refill the cooling system, run the engine, and check carefully for leaks.

Genuine Chevrolet Avalanche Thermostat

Engine Coolant Thermostat

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Thermostats found

View related parts
Chevrolet Avalanche Thermostat,Engine Coolant
Part Number: 12600171
$21.44 MSRP: $40.48
You Save: $19.04 (48%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat, Thermostat Unit
- Replaces: 12581595
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex
View related parts
Chevrolet Avalanche Thermostat,Engine Coolant
Part Number: 12559575
$17.90 MSRP: $33.78
You Save: $15.88 (48%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12559269, 12559573, 10210450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Avalanche | 3/4 TON | 8 Cyl 8.1L
View related parts
Chevrolet Avalanche THERMOSTAT KIT,ENG COOL
Part Number: 19420815
$37.08 MSRP: $75.24
You Save: $38.16 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L

Chevrolet Avalanche Thermostat

The Chevrolet Avalanche Thermostat is an essential part of the vehicle's cooling system mostly located close to the radiator. It plays the unique role of controlling the temperature of the engine for efficiency. A thermostatic controller is a type of closed feedback control system which controls the temperature of a heat transfer fluid by sensing and regulating the temperature at the set-point. Analyzing the methods of temperature regulation in car engines, it is necessary to mention that the most popular ones are mechanical, including the usage of thermostats such as bimetallic strips and wax pellets. These thermostats function by opening and closing as a result of heat and transferring the temperature control responsibility in order to gain improved functionality.

Each OEM Chevrolet Avalanche 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.

Chevrolet Avalanche Thermostat Parts Questions & Experts Answers

Thermostat Kit,Engine Coolant
89018168
Q: How to check and replace a thermostat in a cooling system on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: Before assuming the thermostat is to blame for a cooling system problem, it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. To remove and install the thermostat, follow the steps for either the V6 or V8 model. Also, clean the mating surfaces, install a new rubber O-ring around the thermostat, and check and replace hoses and clamps as necessary. Installation is the reverse of the removal. After installation, refill the cooling system, run the engine, and check carefully for leaks.