HomeBelts and Cooling > Thermostat and HousingDorman 902-2124 Engine Coolant Thermostat Housing Assembly - Water Pump
Part #: 902-2124

Dorman 902-2124 Engine Coolant Thermostat Housing Assembly - Water Pump

Water Pump
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Buick, Equinox, Malibu, Spark, Terrain, Encore, Cruze, and Trax
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Reliable Engine Coolant Thermostat Housing Assembly for Buick, Chevrolet, and GMC

The Dorman 902-2124 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Buick, Chevrolet, and GMC models. This metal thermostat housing assembly includes a thermostat calibrated to open at 176 degrees, ensuring efficient coolant flow and engine performance.

  • Durable metal construction with natural finish
  • Includes thermostat opening at 176°F for precise temperature control
  • Compatible with Buick Cruze, Encore, Chevrolet Equinox, Malibu, Spark, GMC Terrain, and Trax
  • Features one outlet port and two mounting holes with 3-inch bolt hole center spacing
  • Flange dimensions: 3.59" width, 2.67" length, and 0.46" thickness
  • Package contains one thermostat housing and one thermostat; mounting hardware and gasket not included

Product Details and Specifications

The Dorman 902-2124 thermostat housing assembly is constructed from metal for durability and heat resistance. It features a natural color finish and an inside diameter of 0.952 inches to fit the cooling system precisely. The assembly includes a thermostat that opens at 176 degrees Fahrenheit, helping regulate engine temperature effectively. The housing has two mounting holes spaced 3 inches apart center to center, designed for secure installation. The flange measures 3.59 inches wide, 2.67 inches long, and 0.46 inches thick, providing a solid seal surface. This assembly includes one outlet port and does not have a bleeder hole. Note that mounting hardware and gasket are not included in the package.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with a range of Buick, Chevrolet, and GMC vehicles, including:

  • Buick Cruze and Encore
  • Chevrolet Equinox, Malibu, and Spark
  • GMC Terrain and Trax

It is designed to replace the original thermostat housing assembly in these models, ensuring proper coolant flow and engine temperature regulation.

Common Issues Addressed by This Thermostat Housing Assembly

  • Engine overheating due to faulty thermostat housing
  • Coolant leaks from cracked or damaged housing
  • Erratic engine temperature readings
  • Poor engine performance caused by improper coolant flow
  • Thermostat failure leading to engine temperature imbalance

Installation Notes and Tips

When installing the Dorman 902-2124 thermostat housing assembly, ensure the engine is cool before beginning work. Remove the old thermostat housing carefully to avoid damaging surrounding components. Since mounting hardware and gasket are not included, use OEM or compatible parts to ensure a proper seal. Verify the thermostat opening temperature matches vehicle specifications. Tighten mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2124 thermostat housing assembly undergoes rigorous quality checks to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

BrandDorman
Part Number902-2124
Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center3
ColorNatural
Flange Length2.67
Flange Thickness0.46
Flange Width3.59
Gasket Or Seal IncludedNo
Gasket TypeGasket
Grade TypeRegular
Inside Diameter0.952
MaterialMetal
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Outlet Port Quantity1
Package Contents1 Thermostat Housing; 1 Thermostat
Thermostat IncludedYes
Thermostat Opening Temperature176 Deg

This part fits 47 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2025ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2025GMCTerrain1.5LL4Water PumpIncludes Thermostat
2024ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2024ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2024GMCTerrain1.5LL4Water PumpIncludes Thermostat
2023ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2023ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2023GMCTerrain1.5LL4Water PumpIncludes Thermostat
2022BuickEncore1.4LL4Water PumpIncludes Thermostat
2022ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2022ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2022ChevroletSpark1.4LL4Water PumpIncludes Thermostat
2022ChevroletTrax1.4LL4Water PumpIncludes Thermostat
2022GMCTerrain1.5LL4Water PumpIncludes Thermostat
2021BuickEncore1.4LL4Water PumpIncludes Thermostat
2021ChevroletEquinox1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021ChevroletMalibu1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021ChevroletSpark1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2021ChevroletTrax1.4LL4Water PumpIncludes Thermostat
2021GMCTerrain1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletEquinox1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletMalibu1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020ChevroletSpark1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2020GMCTerrain1.5LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019BuickEncore1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletCruze1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2019ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2019ChevroletSpark1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2019ChevroletTraxWater PumpCover; Includes Thermostat; VIN M; L4 85CID 1.4L (1399cc)
2019GMCTerrain1.5LL4Water PumpIncludes Thermostat
2018BuickEncore1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletCruze1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018ChevroletEquinox1.5LL4Water PumpIncludes Thermostat
2018ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2018ChevroletSpark1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2018GMCTerrain1.5LL4Water PumpIncludes Thermostat
2017BuickEncore1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017ChevroletCruze1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2017ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2017ChevroletSpark1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016BuickEncore1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletCruze1.4LL4Water PumpEngine coolant thermostat housing assembly with integrated cover.
2016ChevroletCruze NG1.4LL4Water PumpIncludes Thermostat
2016ChevroletMalibu1.5LL4Water PumpIncludes Thermostat
2016ChevroletSpark1.4LL4Water 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:

12656949993-17699376

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