2003 Chevrolet Trailblazer Ext Thermostat

Your 2003 Chevrolet Trailblazer Ext might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Thermostat product you desperately need.

We currently carry 3 Thermostat products to choose from for your 2003 Chevrolet Trailblazer Ext, and our inventory prices range from as little as $17.99 up to $31.60.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Thermostat products for the 2003 Chevrolet Trailblazer Ext. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.

Don’t take our word for it - check out customer ratings and reviews to buy with confidence. We have 561 reviews on our Thermostat products for the 2003 Chevrolet Trailblazer Ext from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Thermostat stock in-person!

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Thermostat for Your 2003 Chevrolet Trailblazer Ext

Search through our amazing selection of Thermostat products for your 2003 Chevrolet Trailblazer Ext to find exactly what you’re looking for. Compare prices and reviews to choose the best part for you.

Carquest Premium - Thermostat-187 Degrees w/ Seal (Part No. 14948)
Description
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

Product Features:
High grade stainless steel and copper construction
Meets or exceeds OEM standards
Consistent and precise response to cooling system needs
Original equipment design for worry-free direct fit replacement
100% tested and calibrated

4.5

Read 3 review(s)

Review snapshot ® by PowerReviews

4.5

4.5

5

5

2023-04-08

5

5

Had the thermostat in stock!!!

Had the thermostat in stock!!!

Submitted 2023-04-08

By T3

From Hopewell Pennsylvania

Fits perfectly very pleased with the price

Bottom Line recommended

Fits perfectly very pleased with the price

By T3 from Hopewell Pennsylvania

BOTTOM LINE recommended

5

5

2021-11-15

5

5

Purchased the wrong one, took this one back and exchanged

Purchased the wrong one, took this one back and exchanged

Submitted 2021-11-15

By Junior

From Phoenix

The new one works great

Bottom Line recommended

The new one works great

By Junior from Phoenix

BOTTOM LINE recommended

5

5

2021-11-01

5

5

Worked as it was supposed to

Worked as it was supposed to

Submitted 2021-11-01

By Jose

From Undisclosed

Worked as it was supposed to

Bottom Line NULL

Worked as it was supposed to

By Jose from Undisclosed

BOTTOM LINE NULL
from $17.99
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Motorad UltraStats - Thermostat-187 Degrees w/ Seal (Part No. 5456-187)
Description
UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resitance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components.

Product Features:
Heavy gauge stainless steel components offer increased reliability and long-lasting durability
Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
AccuSpring Design for stable temperature control and increased cabin comfort
from $24.99
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ACDelco - GM Original Equipment Engine Coolant Thermostat (Part No. G4000232649ACD)
Description
An ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicle's original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This original equipment engine coolant thermostat has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function
from $31.60
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