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Chevrolet Trailblazer EXT Thermostats

Your Trailblazer EXT is a prized possession.

The vehicle in your driveway is head and shoulders above the rest compared to all the other vehicles currently being driven today. Chevrolet automobile enthusiasts have come to expect a certain level of reliability when driving their Trailblazer EXT around town. When your Chevrolet Trailblazer EXT rolled off the assembly line, it was destined for a person with discerning taste who values long-lasting quality in their automobile. It's not every day that you find yourself in need of a replacement Thermostats for your vehicle.

The function and purpose of Thermostats.

Your car or truck has a water-cooled motor, and the device that controls the flow of coolant so that the engine can remain cool is your thermostat. On start-up, the thermostat remains closed; shutting off access to the radiator. This cycles the coolant through the engine block and gets it hot. Once it reaches the right temperature, your Chevrolet Trailblazer EXT thermostat responds by directing coolant to the radiator. Now your coolant is part of a constant cycle in your Chevrolet Trailblazer EXT engine that keeps it at a steady and controlled temperature determined for the engine to achieve the best balance between power, fuel efficiency, and emissions... all thanks to the thermostat.

You've tried the rest, now try the best.

Select Your YearBring your Trailblazer EXT back to life with the best new or rebuilt parts from the experts at Car Parts Discount. Trust in the value of the parts you get from carpartsdiscount.com and realize incredible savings on all your upcoming repairs. When your Chevrolet requires the best replacement Thermostats, there's no need to go somewhere besides the authority, Car Parts Discount. When it comes to Chevrolet Trailblazer EXT Thermostats parts, you can find them for 2006, 2005, 2004, 2003, 2002 models by clicking the appropriate year below.

Select Your Year

Chevy Trailblazer EXT Engine Coolant Thermostat, OEM: 14298
Stant Engine Coolant Thermostat 14298
16.35, Save 39%  
OEM: 14298, Item: 383610
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
Chevy Trailblazer EXT Gates Engine Coolant Thermostat/Water Outlet Assembly, OEM: 33910
Gates Engine Coolant Thermostat/Water Outlet Assembly
16.25, Save 39%   NEW ITEM
OEM: 33910, Item: 243053
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
Chevy Trailblazer EXT Engine Coolant Thermostat, OEM: 14659
Stant Engine Coolant Thermostat 14659
20.55, Save 39%   NEW ITEM
OEM: 14659, Item: 383640
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 4.2L 4195CC 256Cu. In. L6
Chevy Trailblazer EXT Engine Coolant Thermostat, OEM: 14948
Stant Engine Coolant Thermostat 14948
5.75, Save 40%  
OEM: 14948, Item: 383664
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 323Cu. In. V8
Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
Chevy Trailblazer EXT Gates Engine Coolant Thermostat/Water Outlet Assembly, OEM: 33939
Gates Engine Coolant Thermostat/Water Outlet Assembly
19.95, Save 39%   NEW ITEM
OEM: 33939, Item: 242997
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 4.2L 4195CC 256Cu. In. L6
Chevy Trailblazer EXT Gates Engine Coolant Thermostat, OEM: 33963
Gates Engine Coolant Thermostat
6.35, Save 40%   NEW ITEM
OEM: 33963, Item: 242961
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
Chevy Trailblazer EXT Engine Coolant Thermostat, OEM: 34702
Gates Engine Coolant Thermostat 34702
38.45, Save 39%   NEW ITEM
OEM: 34702, Item: 534939
10 or More In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
Chevy Trailblazer EXT Water Outlet, OEM: 85580
Four Seasons Water Outlet 85580
25.85, Save 39%   NEW ITEM
OEM: 85580, Item: 610964
4 In Stock, Usually ships within 1-2 business days

Chevrolet Trailblazer EXT, 5.3L 5328CC 323Cu. In. V8
Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
ACDelco Engine Coolant Thermostat 131-156
18.25, Save 39%   NEW ITEM
OEM: 131-156, Item: 692580
8 In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8
ACDelco Engine Coolant Thermostat 12T121D
19.95, Save 39%   NEW ITEM
OEM: 12T121D, Item: 692565
4 In Stock, Usually ships within 1 business day

Chevrolet Trailblazer EXT, 5.3L 5328CC 325Cu. In. V8