HomeBelts and Cooling > Thermostat and HousingDorman 902-2089 Engine Coolant Thermostat Housing Assembly - Water Pump
Part #: 902-2089

Dorman 902-2089 Engine Coolant Thermostat Housing Assembly - Water Pump

Water Pump
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, Acadia, ATS, Blazer, Camaro, CT6, CTS, Envision, Equinox, Impala, Malibu, Malibu Limited, Regal, Regal Sportback, Regal TourX, Terrain, and Traverse
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Reliable Engine Coolant Thermostat Housing Assembly

The Dorman 902-2089 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Buick, Cadillac, Chevrolet, and GMC vehicles. This metal thermostat housing assembly includes a thermostat calibrated to open at 195 degrees Fahrenheit, ensuring efficient engine cooling and performance.

  • Durable metal construction with natural finish
  • Includes thermostat and gasket for proper sealing
  • Thermostat opens at 195 degrees Fahrenheit for precise temperature control
  • Designed with two mounting holes spaced 3.4 inches apart center-to-center
  • Flange dimensions: 4.1 inches wide, 2.75 inches long, and 0.438 inches thick
  • Compatible with multiple models from Buick, Cadillac, Chevrolet, and GMC

Product Details and Specifications

This engine coolant thermostat housing assembly features a 0.97-inch inside diameter outlet port and a single outlet port design. The included gasket ensures a secure, leak-free seal between the housing and engine block. The assembly does not include mounting hardware, so existing bolts should be reused or replaced as needed. The thermostat is factory calibrated to open at 195 degrees Fahrenheit, helping regulate coolant flow and maintain engine temperature within manufacturer specifications.

Compatible Vehicles and Applications

This Dorman 902-2089 thermostat housing assembly is compatible with a range of vehicles, including Buick Regal, Regal Sportback, Regal TourX, Cadillac ATS, CT6, CTS, Chevrolet Camaro, Equinox, Impala, Malibu, Malibu Limited, Blazer, GMC Acadia, Terrain, and Traverse. It is designed to replace original equipment parts in these models, providing reliable engine cooling system performance.

  • Prevents engine overheating by regulating coolant flow
  • Replaces cracked or leaking thermostat housings
  • Solves issues related to thermostat failure or sticking
  • Eliminates coolant leaks caused by damaged gaskets
  • Restores proper engine temperature control for improved efficiency

Installation Notes and Tips

When installing the Dorman 902-2089 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old thermostat housing carefully to avoid damaging surrounding components. Use the included gasket to create a proper seal and prevent coolant leaks. Since mounting hardware is not included, inspect existing bolts for wear and replace if necessary. Torque bolts to manufacturer specifications to avoid warping the housing flange.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2089 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete replacement solution. Warranty coverage details can be obtained from the product documentation or manufacturer.

BrandDorman
Part Number902-2089
MaterialMetal
ColorNatural
Inside Diameter0.97
Mounting Hardware IncludedNo
Grade TypeRegular
Gasket Or Seal IncludedYes
Mounting Hole Quantity2
Bolt Hole Center To Bolt Hole Center3.4
Gasket TypeGasket
Flange Length2.75
Flange Thickness0.438
Flange Width4.1
Outlet Port Quantity1
Bleeder HoleNo
Package Contents1 gasket; 1 thermostat; 1 thermostat housing
Thermostat IncludedYes
Thermostat Opening Temperature195 deg

This part fits 79 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023ChevroletCamaro2.0LL4Water PumpIncludes Thermostat
2022ChevroletBlazer2.5LL4Water PumpIncludes Thermostat
2022ChevroletCamaro2.0LL4Water PumpIncludes Thermostat
2022ChevroletMalibu2.0LL4Water PumpIncludes Thermostat
2021ChevroletBlazer2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021GMCAcadia2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021GMCTerrain2.0LL4Water PumpIncludes Thermostat
2020BuickEnvision2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020BuickEnvision2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020BuickRegal Sportback2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020BuickRegal TourX2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletBlazer2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletEquinox2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020GMCAcadia2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020GMCTerrain2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019BuickEnvision2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019BuickEnvision2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019BuickRegal Sportback2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019BuickRegal TourX2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletBlazer2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletEquinox2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletTraverse2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019GMCAcadia2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019GMCTerrain2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018BuickEnvision2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018BuickEnvision2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018BuickRegal Sportback2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018BuickRegal TourX2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018CadillacCT62.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletEquinox2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletTraverse2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018GMCAcadia2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018GMCTerrain2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017BuickEnvision2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017BuickEnvision2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017BuickRegal2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017CadillacCT62.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017GMCAcadia2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016BuickEnvision2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016BuickRegal2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016CadillacCT62.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletCamaro2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletMalibu Limited2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015BuickRegal2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015ChevroletMalibu2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2015ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2014BuickRegal2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2014CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2014CadillacCTS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2014ChevroletImpala2.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2014ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2013CadillacATS2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2013ChevroletMalibu2.0LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12651603922-19592295

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.