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A-Premium Engine Coolant Thermostat and Housing Assembly - 8Cyl, 4.3L 5.3 6.2L - Compatible with Chevy, GMC, Cadillac Vehicles - Silverado 1500, Suburban, Tahoe, Sierra, Yukon XL, for# 12674639

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$29.51

$ 15 .83 $15.83

In Stock
  • [Vehicle Fitment]: Compatible with Chevrolet Corvette 2014 6.2L, Silverado 1500 2014-2018 4.3L 5.3L 6.2L, Silverado 1500 LD 2019 5.3L, Suburban 2015-2020, Tahoe 2014-2020; Compatible with GMC Sierra 1500 2014-2018 4.3L 5.3L 6.2L, Sierra 1500 Limited 2019 5.3L, Yukon 2014-2020 5.3L, Yukon XL 2015-2020 5.3L 6.2L; Compatible with Cadillac Escalade 2015-2020 6.2L, Escalade ESV 2015-2020 6.2L
  • [Reference Number]: 902-2090, 12674639, 12666569, 1511125
  • [Package Contents]: ①Bolt Hole Center To Bolt Hole Center: 3 in; 2.8 in; 2.8 in; ②Flange Length: 3.33 in; ③Flange Thickness: 0.4 in; ④Flange Width: 3.39 in; ⑤Grade Type: Regular; ⑥Inside Diameter: 1.06 in; ⑦Mounting Hole Quantity: 3; ⑧Thermostat Opening Temperature: 207 Deg
  • [Benefits]: We use quality materials and superb technology to ensure that the coolant thermostat housing assembly has high performance when it starts to work. With the featuring of corrosion resistance, durability, stability and long lifespan.
  • [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted thermostat housing assembly. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.



Product Description

USTHA34521

  • Compatible with Chevrolet Models:
  • 2014-2018 Silverado 1500
  • 2019-2019 Silverado 1500 LD
  • 2014-2014 Corvette
  • 2015-2020 Suburban
  • 2014-2020 Tahoe

  • Compatible with GMC Models:
  • 2014-2018 Sierra 1500
  • 2019-2019 Sierra 1500 Limited
  • 2014-2020 Yukon
  • 2015-2020 Yukon XL
  • Compatible with Cadillac Models:
  • 2015-2020 Escalade
  • 2015-2020 Escalade ESV
  • OEM Number: 902-2090, 12674639, 12666569, 1511125
  • Bolt Hole Center To Bolt Hole Center: 3 in; 2.8 in; 2.8 in
  • Thermostat Opening Temperature: 207 Deg
  • Thermostat Included: Yes
  • Flange Width: 3.39 in
  • Flange Thickness: 0.4 in
  • Flange Length: 3.33 in
  • Mounting Hole Quantity: 3
USTHA34521
USTHA34521
USTHA34521
USTHA34521

Mario
Reviewed in Canada on February 5, 2025
Works very well just like OE, which is also made in China, most likely in the same factory but at quadruple the price. This thermostat comparing to my original factory OE, is identical. Same spring tension, same plastic housing, inlet and overflow orifice is identical in diameter. 100% correct fit. Zero leaks, correct temperature, perfect fit. The only way these will leak, is because of improper installation, if the original seal is not removed from aluminum housing on the engine block, as the replacement seal is mounted in thermostat housing. Torque down bolts to only 7 ft lbs, and I would recommend a bit of blue thread lock.
Scott's
Reviewed in the United States on February 5, 2025
No way to clamp in place like OEM. Will be returning product.
David loera
Reviewed in the United States on January 25, 2025
Work for 2015 Chevy suburban
Fred Burgess
Reviewed in Canada on April 3, 2025
Fit as advertised. Good replacement
Charles R Noble
Reviewed in Canada on August 18, 2024
Did not fit properly.
Bryan
Reviewed in the United States on May 4, 2024
Fits perfect, well made, and better than plastic. I’ve had it in for 3 months now and no issues at all. No leaks, runs at the correct temperature in all temperatures and has not over heated at all. Well worth the money. Get rid of that plastic crap and upgrade to a metal housing.
Richard E. Romero
Reviewed in the United States on December 20, 2024
It performs like a dealer part, but a lot less in price.
DeeAngela Stovall
Reviewed in the United States on November 27, 2024
I read reviews for other selected sites for this part and customers were not happy because it was plastic. This has a metal housing, if that is wht your looking for. I thought it would be plastic but it is surely metal. Great fit!
Bj
Reviewed in Canada on October 28, 2024
Said it was metal I paid for and they sent me plastic junk !
Warren Mickels
Reviewed in Canada on October 14, 2024
Not as described! pictures showed metal housing, but came with plastic like the lower priced units. Not worth the extra money!
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