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2001 AM General Hummer

Thermostats

Driving your vehicle when it has a bad thermostat can be problematic. Your engine may overheat or it may not get hot enough to reach peak performance. Get your engine back to peak condition by getting a replacement thermostat right here at Carparts.com. Our great selection of thermostat replacements come only from trusted manufacturers, so you can be sure of their quality and durability. Browse through our selection of thermostats and get the best deal when you order one today.
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Gates OE Replacement Thermostat
Part Number: GAT33922
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2001 AM General Hummer Base 8 Cyl 6.5L DIESEL, 190 Degree
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 190 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Thermostat
Part Number: MRD423-195
Guaranteed to Fit
$21.49
Vehicle Fitment
  • 2001 AM General Hummer Base 8 Cyl 6.5L Temperature 195F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 195 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD423-180
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 2001 AM General Hummer Base 8 Cyl 6.5L Temperature 180F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 3 of 3 results

Top Rated Products

Quick shipping . Direct fit. Part worked well and great price
Louis P.
VERIFIED PURCHASER
Great factory looking part, easy install, works as design. Solved my overheating pSee More
James J.
VERIFIED PURCHASER

Popular Products

234-180 Thermostat
Part No: MRD234-180
( Review)
$9.65
33019S Gates OE Replacement Thermostat
Part No: GAT33019S
( Review)
$10.99
UBA1430903 Thermostat
Part No: BEC1430903
( Review)
$49.49
TX 146 78D Mahle OE Replacement Thermostat
Part No: MAHTX14678D
( Review)
$37.49
7.8971 Thermostat
Part No: FAC78971
( Review)
$19.49

Shopping for Thermostat

Thermostat Shopping Info

What Is a Thermostat?

Your thermostat is an important part of your vehicle’s cooling system, which is usually located near your radiator. The thermostat helps regulate your engine's temperature, keeping it within the ideal range for optimal function and performance.

How Much Does a Thermostat Replacement Cost?

The cost of a replacement thermostat can vary, depending on your vehicle’s year, make, and model. Parts alone can cost from $10 to $60. The average labor cost can range from $120 to $150, but it may change based on location and the extent of work needed.

Shop for Aftermarket Thermostats on CarParts.com

Don't let your engine overheat and sustain damage because of a bad thermostat. Luckily, you can get a direct-fit aftermarket thermostat right here at CarParts.com. Purchase a thermostat today without leaving your home.

We have a wide variety of thermostats made of various materials, including stainless steel, copper, and aluminum. They’re all made with specified opening temperature ratings, so you can get a thermostat that perfectly matches your car’s needs and maintains excellent engine performance. You can easily navigate through our website and use refinements, so you can place your order with a few clicks.

Our aftermarket thermostats guarantee OE-grade performance and fit. Our products are all made by reliable manufacturers who are considered veterans in the automotive industry. Each item has gone through strict manufacturing and testing procedures, guaranteeing durability and dependable safety. Our thermostats are all priced competitively, so you can fix your vehicle without spending a fortune.

Are you ready to shop for an aftermarket thermostat? You can conveniently narrow down your search based on compatibility by entering your vehicle’s year, make, and model into our vehicle selector. Feeling unsure about your order? Don’t worry! Our customer service team is ready 24/7 to assist you. Take a look at our thermostats and shop now!

Featured Makes

Helpful Automotive Resources

What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?If you’re wondering what a hot engine means if the AC is off, then there’s a good chance that your vehicle’s got a serious problem. It might have broken parts due for replacement, or there could be a shortage of coolant brought about by contaminants or a leak in the
What Does Check Gauges Mean?
What Does Check Gauges Mean?This warning light means that one or several gauge readings aren’t within the normal range.
Where Is the Thermostat Located?
Where Is the Thermostat Located?The thermostat’s exact location can vary depending on the vehicle’s make and model, but in most vehicles, you can typically find the thermostat inside a housing near the top radiator hose. If it isn’t there, try looking near the bottom hose.