2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale

2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale

2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale
2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale__below
2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale_top
2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale__left
2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale__front
2021 new arrival Mishimoto MMTS-CHV-01DL Low-Temperature Racing Thermostat Compatible outlet online sale With Chevrolet GMC 6.6L Duramax online sale 2001-2016 online sale__right

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From the manufacturer

The Essentials

  • Direct-fit applications
  • Promotes cooling efficiency
  • Rubber gaskets included (when applicable)
  • Lower activation temperaturess
  • Higher activation temperatures

Mishimoto Thermostats

Mishimoto thermostats promote greater cooling efficiency by significantly decreasing high engine temperatures resulting from modified and upgraded turbo applications.

Direct-Fit

Mishimoto thermostats are OEM replacements ensuring a direct-fit installation.

Rubber Gasket

Mishimoto thermostats ship with an included rubber gasket (when applicable) to ensure a proper seal.

Lower Temperatures

Mishimoto thermostats are an effective way to noticeably lower engine coolant temperatures.

Included Housing

Mishimoto racing thermostats come complete with a thermostat housing (when applicable) allowing you to replace both your thermostat and your housing.

Fits Stock Housing

When housing is not provided, Mishimoto engineers have designed racing thermostats to fit with stock thermostat housing.

Lower Activation

Lower activation temperature allows coolant to flow through the engine earlier, maintaining lower temperatures.

Higher Activation

Higher activation temperature allows engine temperatures to rise before coolant begins to flow, ideal for cooler climates.

ABOUT MISHIMOTO

Established in 2005, we have more than a decade of experience in working toward our goal of providing superior cooling system upgrades. Mishimoto has produced a line of upgrades to fit nearly any application.

Features & details

Features

  • Fits 2001-2016 Chevrolet/GMC 6.6L Duramax
  • Activates at lower temperature so coolant flows through system earlier
  • Allows for cooler engine temperatures
  • Purchase Includes: One 174F Thermostat / One 180F Thermostat
  • Mishimoto Lifetime Warranty

Product information

    Additional Information

  • ASIN: B004X5K95Y
  • Customer Reviews: 4.7 out of 5 stars 171Reviews
  • Best Sellers Rank:
    #70,039 in Automotive (See Top 100 in Automotive)
    #72 in Automotive Replacement Engine Thermostats
  • Domestic Shipping : Item can be shipped within U.S. International Shipping : This item can be shipped to select countries outside of the U.S. Learn More
  • Date First Available: April 19, 2011
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Compare with similar items

This item Mishimoto MMTS-CHV-01DL Low-Te... ACDelco GM Original Equipment... ACDelco GM Original Equipment... ACDelco GM Original Equipment...
Rating 4.7 out of 5 stars
171 reviews
4.8 out of 5 stars
344 reviews
4.8 out of 5 stars
342 reviews
4.7 out of 5 stars
772 reviews
Price $83.64 $29.86 $25.77 $14.21
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping on orders over $25.00 shipped by Amazon.
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Value for money 4.4 4.4 4.3 4.2
Mileage 4.5 5.0 4.8
Item Dimensions 3 x 6 x 4 inches 4 x 4 x 1 inches 4.5 x 4 x 2 inches 3 x 3 x 3 inches
See more details

Brief content visible, double tap to read full content.
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Inspiration from this brand

Mishimoto
Nothing makes your car glow at night quite like our Glow in the Dark Shift Knob. However, if you fancy something less flashy, we have a whole line of different colors to pick from. Happy shifting!
Form and Function. Jeeps have been doing it for quite a while now and you can ELEVATE your Jeep to the next level, literally. The Borne Off-road Jeep JL Wrangler Snorkel raises your intake to keep road debris out of your intake, protecting your engine on all terrains.
HEMI engines are so well received and loved by many, so we had to take part and engineer world class cooling solutions for those who want to take their Mopar to the next level! We've developed a whole host of parts such as racing thermostats, aluminum radiators, silicone hoses and oil catch cans to give your HEMI better reliability.
Add some FLAIR to your wheel wells with Mishimoto Locking Lug Nuts. Available in multiple colors, this is a perfect upgrade to set your car apart from others!
Nothing makes your car glow at night quite like our Glow in the Dark Shift Knob. However, if you fancy something less flashy, we have a whole line of different colors to pick from. Happy shifting!
Form and Function. Jeeps have been doing it for quite a while now and you can ELEVATE your Jeep to the next level, literally. The Borne Off-road Jeep JL Wrangler Snorkel raises your intake to keep road debris out of your intake, protecting your engine on all terrains.
HEMI engines are so well received and loved by many, so we had to take part and engineer world class cooling solutions for those who want to take their Mopar to the next level! We've developed a whole host of parts such as racing thermostats, aluminum radiators, silicone hoses and oil catch cans to give your HEMI better reliability.
Add some FLAIR to your wheel wells with Mishimoto Locking Lug Nuts. Available in multiple colors, this is a perfect upgrade to set your car apart from others!
Make your Ultimate Driving Machine even more ultimate with the addition of the Nishimoto BMW 2012-2016 F22/F30 Chassis Performance Intercooler! From the factory, the N20/26 and N55 engines are a prowess of German engineering, but the stock intercooler unit poses as a weak link for your turbocharged Bummer. The tube-and-fin design coupled with plastic end tanks makes for the perfect environment for heat to set up residence and throttle the power of your 2, 3, or 4-series, especially for those running a tune.
Borne Offroad JL Wrangler Snorkel will elevate your Wrangler to the next level, literally! Raise your intake to keep water and road debris out of your intake so you can adventure out in any terrain.
We've got ALL-NEW Colors on our Mishimoto Weighted Shift Knobs. Pick the color that suits your car the best while adding incredible ergonomics to your shifting.
Get the tools you need to finish your project car up! From Cooling System Pressure Testers to Vacuum Purge & Refill tools, Mishimoto has you covered!
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Customer Questions

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Q: How do I get in contact with mishimoto for a warranty concern?

A: Sorry don''t know that answer.

T. Kubo | 3 years ago

Q: Can you run these on a daily driver?

A: I run them in my 05 GMC Sierra 2500 duramax it is my daily driver and my tow rig. I’ve had…

Nathan | 9 months ago

Q: Does it come with gasket?

A: Yes the thermostats have gaskets made onto them, there is no gasket for the housing, but y…

Tyler M. | 5 years ago

Q: Does this come in a set or do you have to buy them separate??

A: It came as a set.

Laurie A. Costa | 6 years ago

Customer reviews

4.7 out of 54.7 out of 5
171 global ratings

Reviews with images

Top reviews from the United States

RVer
5.0 out of 5 starsVerified Purchase
Notable reduction in operating temp
Reviewed in the United States on July 17, 2019
I installed these in a 2005 Duramax LLY which had a tendency to get a little hot when towing my RV up hills on very hot days. 30 minute install, watch a video. The temperature stabilizes a couple ticks lower on the gauge than it did with the OEM t-stats. Make sure to put... See more
I installed these in a 2005 Duramax LLY which had a tendency to get a little hot when towing my RV up hills on very hot days. 30 minute install, watch a video. The temperature stabilizes a couple ticks lower on the gauge than it did with the OEM t-stats. Make sure to put the right t-stat in the right hole, the one with the 2 holes in it goes closest to the firewall with the 2 holes toward the back(not sure that the hole orientation matters).
2 people found this helpful
Helpful
Report
Kyle R McCombs
4.0 out of 5 starsVerified Purchase
I now have heat! Fit my LLY Duramax!
Reviewed in the United States on January 3, 2017
I got these for my 2004.5 Duramax LLY. My thermostats were stuck open causing no heat. With the high prices of OEM thermostats I went this route with a suggestion of a friend. My truck still runs a bit cooler then I would like but I have nice warm heat now! I am sure this... See more
I got these for my 2004.5 Duramax LLY. My thermostats were stuck open causing no heat. With the high prices of OEM thermostats I went this route with a suggestion of a friend. My truck still runs a bit cooler then I would like but I have nice warm heat now! I am sure this will help me out in the Summer though. Installation took me about 20 minutes in freezing new England temperatures. Make sure you pick up a little dexcool before starting install and after you put these in there is a bleeder valve ontop of the thermostat housing, open that when you fill the coolant bottle and close it when coolant starts to come out to insure no air in the system. I would of gave it 5 stars but I am not sure if I should of went with OEM temp or not.
5 people found this helpful
Helpful
Report
Heather
1.0 out of 5 starsVerified Purchase
didn''t last more than couple thousand miles
Reviewed in the United States on August 14, 2018
thermostats worked great at allowing engine to cool sooner, but started sticking shut (causing overheating) at only a couple thousand miles... now we''ll see how well these guys honor their warranty!!! (Will update if they replace them for me)
7 people found this helpful
Helpful
Report
Amber Di Falco
5.0 out of 5 starsVerified Purchase
Great product for hot climates and LLY''s
Reviewed in the United States on November 11, 2018
All last winter I had a re-occurring check engine light for P0128 coolant temperature below thermostat regulating temperature on my 2005 GMC 3500. Upon removal of the factory thermostats I found one of them stuck open as I thought I would. Living in Las Vegas with 110+... See more
All last winter I had a re-occurring check engine light for P0128 coolant temperature below thermostat regulating temperature on my 2005 GMC 3500. Upon removal of the factory thermostats I found one of them stuck open as I thought I would. Living in Las Vegas with 110+ ambient temperature days I''m always watching my coolant temperature, I find these cause the temperature fluctuate a bit more than the factory ones do, but they definitely made a difference by keeping the truck cooler. Exactly what I hoped for, cold enough to matter at running temperature and warm enough for heat in the winter and to avoid P0128 codes.
One person found this helpful
Helpful
Report
Ron
5.0 out of 5 starsVerified Purchase
Great replacements
Reviewed in the United States on April 23, 2019
The stock thermostats in my 09’ LMM dmax we’re stuck open and needed replaced. This is a very good well known brand and cheaper than more stock alternatives. So far I’ve put about a thousand miles on them towing a gross 21,000lbs and everything ran nice and cool.
2 people found this helpful
Helpful
Report
Amazon Customer
1.0 out of 5 starsVerified Purchase
Now I have temp issues
Reviewed in the United States on July 22, 2018
Installed both these last week on my 02 duramax.(7-16-18) Just got back from a trip to the desert and I’ve never had my water temp get so high in 11 years of owning the truck!! Climbing the cajon pass each direction the water got hot!! Like 215* one way and 230* the other... See more
Installed both these last week on my 02 duramax.(7-16-18) Just got back from a trip to the desert and I’ve never had my water temp get so high in 11 years of owning the truck!! Climbing the cajon pass each direction the water got hot!! Like 215* one way and 230* the other way. Wtf?!! But temps dropped almost instantly once I believe the thermostats finally opened. Instant drop like that I can only think stuck thermostat..
Kinda weird for a new part. Truck drives cooler then normal around the city. Probably going to go with OEM and have to do the job over now cause I’m worried about it
4 people found this helpful
Helpful
Report
chris kerian
1.0 out of 5 starsVerified Purchase
keep sticking closed
Reviewed in the United States on August 11, 2019
replaced everything on the cooling side of my 03''.
I had to replace this with a Napa part. no warranty worth my time.
(Send this in with $30 and will send you new ones...) paid $70 not spending any more money on this replace with $32 and a $50 bill to my Mechanic.
One person found this helpful
Helpful
Report
Mikey
5.0 out of 5 starsVerified Purchase
works great
Reviewed in the United States on January 22, 2019
I ran 180-185 t-stats for a year. The truck never ran hot but I was uncomfortable with the temp especially towing in 98° . These lowered the temp just the right amount for me. And the truck didn''t complain either,
One person found this helpful
Helpful
Report

Top reviews from other countries

zzzjjj
5.0 out of 5 starsVerified Purchase
opens at temperature as specified
Reviewed in Canada on September 3, 2019
I installed this on my Duramax LBZ and found that the thermostats being to open at the same temperature as specified, checking with the reading on my Edge CTS2 and an infrared thermometer on the housing and inflow/outflow hoses. Seems to be of good quality and reliable so...See more
I installed this on my Duramax LBZ and found that the thermostats being to open at the same temperature as specified, checking with the reading on my Edge CTS2 and an infrared thermometer on the housing and inflow/outflow hoses. Seems to be of good quality and reliable so far.
Report
Doug P
5.0 out of 5 starsVerified Purchase
good quality
Reviewed in Canada on August 8, 2019
my duramax runs 10 degrees cooler now which helps on hot days and pulling hills
Report
See all reviews
Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.
Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.

The Essentials

  • Direct-fit applications
  • Promotes cooling efficiency
  • Rubber gaskets included (when applicable)
  • Lower activation temperaturess
  • Higher activation temperatures

Mishimoto Thermostats

Mishimoto thermostats promote greater cooling efficiency by significantly decreasing high engine temperatures resulting from modified and upgraded turbo applications.

Direct-Fit

Mishimoto thermostats are OEM replacements ensuring a direct-fit installation.

Rubber Gasket

Mishimoto thermostats ship with an included rubber gasket (when applicable) to ensure a proper seal.

Lower Temperatures

Mishimoto thermostats are an effective way to noticeably lower engine coolant temperatures.

Included Housing

Mishimoto racing thermostats come complete with a thermostat housing (when applicable) allowing you to replace both your thermostat and your housing.

Fits Stock Housing

When housing is not provided, Mishimoto engineers have designed racing thermostats to fit with stock thermostat housing.

Lower Activation

Lower activation temperature allows coolant to flow through the engine earlier, maintaining lower temperatures.

Higher Activation

Higher activation temperature allows engine temperatures to rise before coolant begins to flow, ideal for cooler climates.

ABOUT MISHIMOTO

Established in 2005, we have more than a decade of experience in working toward our goal of providing superior cooling system upgrades. Mishimoto has produced a line of upgrades to fit nearly any application.

Features & details

Features

  • Fits 2001-2016 Chevrolet/GMC 6.6L Duramax
  • Activates at lower temperature so coolant flows through system earlier
  • Allows for cooler engine temperatures
  • Purchase Includes: One 174F Thermostat / One 180F Thermostat
  • Mishimoto Lifetime Warranty

Product information

    Additional Information

  • ASIN: B004X5K95Y
  • Customer Reviews: 4.7 out of 5 stars 171Reviews
  • Best Sellers Rank:
    #70,039 in Automotive (See Top 100 in Automotive)
    #72 in Automotive Replacement Engine Thermostats
  • Domestic Shipping : Item can be shipped within U.S. International Shipping : This item can be shipped to select countries outside of the U.S. Learn More
  • Date First Available: April 19, 2011
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.

Have a question?

Find answers in product info, Q&As, reviews

Find answers in product info, Q&As, reviews

Have a question?

Top results Customer Q&A Customer Reviews Product info Post question
There was a problem completing your request. Please try your search again later.

Compare with similar items

This item Mishimoto MMTS-CHV-01DL Low-Te... ACDelco GM Original Equipment... ACDelco GM Original Equipment... ACDelco GM Original Equipment...
Rating 4.7 out of 5 stars
171 reviews
4.8 out of 5 stars
344 reviews
4.8 out of 5 stars
342 reviews
4.7 out of 5 stars
772 reviews
Price $83.64 $29.86 $25.77 $14.21
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping on orders over $25.00 shipped by Amazon.
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Value for money 4.4 4.4 4.3 4.2
Mileage 4.5 5.0 4.8
Item Dimensions 3 x 6 x 4 inches 4 x 4 x 1 inches 4.5 x 4 x 2 inches 3 x 3 x 3 inches
See more details

Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.

Inspiration from this brand

Mishimoto
Nothing makes your car glow at night quite like our Glow in the Dark Shift Knob. However, if you fancy something less flashy, we have a whole line of different colors to pick from. Happy shifting!
Form and Function. Jeeps have been doing it for quite a while now and you can ELEVATE your Jeep to the next level, literally. The Borne Off-road Jeep JL Wrangler Snorkel raises your intake to keep road debris out of your intake, protecting your engine on all terrains.
HEMI engines are so well received and loved by many, so we had to take part and engineer world class cooling solutions for those who want to take their Mopar to the next level! We've developed a whole host of parts such as racing thermostats, aluminum radiators, silicone hoses and oil catch cans to give your HEMI better reliability.
Add some FLAIR to your wheel wells with Mishimoto Locking Lug Nuts. Available in multiple colors, this is a perfect upgrade to set your car apart from others!
Nothing makes your car glow at night quite like our Glow in the Dark Shift Knob. However, if you fancy something less flashy, we have a whole line of different colors to pick from. Happy shifting!
Form and Function. Jeeps have been doing it for quite a while now and you can ELEVATE your Jeep to the next level, literally. The Borne Off-road Jeep JL Wrangler Snorkel raises your intake to keep road debris out of your intake, protecting your engine on all terrains.
HEMI engines are so well received and loved by many, so we had to take part and engineer world class cooling solutions for those who want to take their Mopar to the next level! We've developed a whole host of parts such as racing thermostats, aluminum radiators, silicone hoses and oil catch cans to give your HEMI better reliability.
Add some FLAIR to your wheel wells with Mishimoto Locking Lug Nuts. Available in multiple colors, this is a perfect upgrade to set your car apart from others!
Make your Ultimate Driving Machine even more ultimate with the addition of the Nishimoto BMW 2012-2016 F22/F30 Chassis Performance Intercooler! From the factory, the N20/26 and N55 engines are a prowess of German engineering, but the stock intercooler unit poses as a weak link for your turbocharged Bummer. The tube-and-fin design coupled with plastic end tanks makes for the perfect environment for heat to set up residence and throttle the power of your 2, 3, or 4-series, especially for those running a tune.
Borne Offroad JL Wrangler Snorkel will elevate your Wrangler to the next level, literally! Raise your intake to keep water and road debris out of your intake so you can adventure out in any terrain.
We've got ALL-NEW Colors on our Mishimoto Weighted Shift Knobs. Pick the color that suits your car the best while adding incredible ergonomics to your shifting.
Get the tools you need to finish your project car up! From Cooling System Pressure Testers to Vacuum Purge & Refill tools, Mishimoto has you covered!
Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.

Related posts

Customer Questions

Sorry, we were unable to perform your search at this time.

There was a problem completing your request. Please try again later.

Don''t see the answer you''re looking for?

Your question might be answered by sellers, manufacturers, or customers who bought this product.

Please make sure that you are posting in the form of a question.

Please enter a question.

Q: How do I get in contact with mishimoto for a warranty concern?

A: Sorry don''t know that answer.

T. Kubo | 3 years ago

Q: Can you run these on a daily driver?

A: I run them in my 05 GMC Sierra 2500 duramax it is my daily driver and my tow rig. I’ve had…

Nathan | 9 months ago

Q: Does it come with gasket?

A: Yes the thermostats have gaskets made onto them, there is no gasket for the housing, but y…

Tyler M. | 5 years ago

Q: Does this come in a set or do you have to buy them separate??

A: It came as a set.

Laurie A. Costa | 6 years ago

Customer reviews

4.7 out of 54.7 out of 5
171 global ratings

Reviews with images

Top reviews from the United States

RVer
5.0 out of 5 starsVerified Purchase
Notable reduction in operating temp
Reviewed in the United States on July 17, 2019
I installed these in a 2005 Duramax LLY which had a tendency to get a little hot when towing my RV up hills on very hot days. 30 minute install, watch a video. The temperature stabilizes a couple ticks lower on the gauge than it did with the OEM t-stats. Make sure to put... See more
I installed these in a 2005 Duramax LLY which had a tendency to get a little hot when towing my RV up hills on very hot days. 30 minute install, watch a video. The temperature stabilizes a couple ticks lower on the gauge than it did with the OEM t-stats. Make sure to put the right t-stat in the right hole, the one with the 2 holes in it goes closest to the firewall with the 2 holes toward the back(not sure that the hole orientation matters).
2 people found this helpful
Helpful
Report
Kyle R McCombs
4.0 out of 5 starsVerified Purchase
I now have heat! Fit my LLY Duramax!
Reviewed in the United States on January 3, 2017
I got these for my 2004.5 Duramax LLY. My thermostats were stuck open causing no heat. With the high prices of OEM thermostats I went this route with a suggestion of a friend. My truck still runs a bit cooler then I would like but I have nice warm heat now! I am sure this... See more
I got these for my 2004.5 Duramax LLY. My thermostats were stuck open causing no heat. With the high prices of OEM thermostats I went this route with a suggestion of a friend. My truck still runs a bit cooler then I would like but I have nice warm heat now! I am sure this will help me out in the Summer though. Installation took me about 20 minutes in freezing new England temperatures. Make sure you pick up a little dexcool before starting install and after you put these in there is a bleeder valve ontop of the thermostat housing, open that when you fill the coolant bottle and close it when coolant starts to come out to insure no air in the system. I would of gave it 5 stars but I am not sure if I should of went with OEM temp or not.
5 people found this helpful
Helpful
Report
Heather
1.0 out of 5 starsVerified Purchase
didn''t last more than couple thousand miles
Reviewed in the United States on August 14, 2018
thermostats worked great at allowing engine to cool sooner, but started sticking shut (causing overheating) at only a couple thousand miles... now we''ll see how well these guys honor their warranty!!! (Will update if they replace them for me)
7 people found this helpful
Helpful
Report
Amber Di Falco
5.0 out of 5 starsVerified Purchase
Great product for hot climates and LLY''s
Reviewed in the United States on November 11, 2018
All last winter I had a re-occurring check engine light for P0128 coolant temperature below thermostat regulating temperature on my 2005 GMC 3500. Upon removal of the factory thermostats I found one of them stuck open as I thought I would. Living in Las Vegas with 110+... See more
All last winter I had a re-occurring check engine light for P0128 coolant temperature below thermostat regulating temperature on my 2005 GMC 3500. Upon removal of the factory thermostats I found one of them stuck open as I thought I would. Living in Las Vegas with 110+ ambient temperature days I''m always watching my coolant temperature, I find these cause the temperature fluctuate a bit more than the factory ones do, but they definitely made a difference by keeping the truck cooler. Exactly what I hoped for, cold enough to matter at running temperature and warm enough for heat in the winter and to avoid P0128 codes.
One person found this helpful
Helpful
Report
Ron
5.0 out of 5 starsVerified Purchase
Great replacements
Reviewed in the United States on April 23, 2019
The stock thermostats in my 09’ LMM dmax we’re stuck open and needed replaced. This is a very good well known brand and cheaper than more stock alternatives. So far I’ve put about a thousand miles on them towing a gross 21,000lbs and everything ran nice and cool.
2 people found this helpful
Helpful
Report
Amazon Customer
1.0 out of 5 starsVerified Purchase
Now I have temp issues
Reviewed in the United States on July 22, 2018
Installed both these last week on my 02 duramax.(7-16-18) Just got back from a trip to the desert and I’ve never had my water temp get so high in 11 years of owning the truck!! Climbing the cajon pass each direction the water got hot!! Like 215* one way and 230* the other... See more
Installed both these last week on my 02 duramax.(7-16-18) Just got back from a trip to the desert and I’ve never had my water temp get so high in 11 years of owning the truck!! Climbing the cajon pass each direction the water got hot!! Like 215* one way and 230* the other way. Wtf?!! But temps dropped almost instantly once I believe the thermostats finally opened. Instant drop like that I can only think stuck thermostat..
Kinda weird for a new part. Truck drives cooler then normal around the city. Probably going to go with OEM and have to do the job over now cause I’m worried about it
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chris kerian
1.0 out of 5 starsVerified Purchase
keep sticking closed
Reviewed in the United States on August 11, 2019
replaced everything on the cooling side of my 03''.
I had to replace this with a Napa part. no warranty worth my time.
(Send this in with $30 and will send you new ones...) paid $70 not spending any more money on this replace with $32 and a $50 bill to my Mechanic.
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Mikey
5.0 out of 5 starsVerified Purchase
works great
Reviewed in the United States on January 22, 2019
I ran 180-185 t-stats for a year. The truck never ran hot but I was uncomfortable with the temp especially towing in 98° . These lowered the temp just the right amount for me. And the truck didn''t complain either,
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zzzjjj
5.0 out of 5 starsVerified Purchase
opens at temperature as specified
Reviewed in Canada on September 3, 2019
I installed this on my Duramax LBZ and found that the thermostats being to open at the same temperature as specified, checking with the reading on my Edge CTS2 and an infrared thermometer on the housing and inflow/outflow hoses. Seems to be of good quality and reliable so...See more
I installed this on my Duramax LBZ and found that the thermostats being to open at the same temperature as specified, checking with the reading on my Edge CTS2 and an infrared thermometer on the housing and inflow/outflow hoses. Seems to be of good quality and reliable so far.
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Doug P
5.0 out of 5 starsVerified Purchase
good quality
Reviewed in Canada on August 8, 2019
my duramax runs 10 degrees cooler now which helps on hot days and pulling hills
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