Gates 34709 Engine Coolant Thermostat
OE Quality 60-Day Returns
Gates
 Integrated Housing Thermostat

Gates 34709 Engine Coolant Thermostat

Brand Gates 34709
1
Bolt Hole Quantity 3
Check Valve No
Electric Yes
Electric Yes
Jiggle Pin Weep Hole Yes
Jiggle Pin/Check Valve Yes
Number of Bolt Holes 3
Number of Jiggle Pins/Check Valves 1
Number of Seals 1
OE Comparison Rating OE Performance
OE Exact No
Outlet Inside Diameter .579
Outlet Inside Diameter 1.233
Outlet Inside Diameter 1 (in) .579
Outlet Inside Diameter 2 (in) 1.233
Outlet Outside Diameter .972
Outlet Outside Diameter 1.512
Outlet Outside Diameter 1 (in) .972
Outlet Outside Diameter 2 (in) 1.512
Start to Open Temperature 105
Start to Open Temperature 221
Temperature (C) 105
Type Integrated Housing Thermostat
Product line Integrated Housing Thermostat
Fits Buick and Chevrolet · 52 vehicles

Integrated housing thermostat. Combines the thermostat and housing in one OE-performance design.

OE performance rating. Built as a quality aftermarket alternative to OE dealership parts.

105°C opening temperature. Helps regulate coolant flow for efficient engine operation.

Cross-references Continental 49392, Dorman - OE Solutions 902-808 and Four Seasons 85993 for the same application. See all 10.

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Not what you need? See all Engine Coolant Thermostat options

Integrated Thermostat Housing for GM Cooling Systems

Gates 34709 is an integrated housing thermostat built for precise engine temperature control in select Chevrolet and Buick applications. It is an OE-performance replacement for vehicles that use an electric thermostat housing assembly, including Chevrolet Cruze, Sonic, Trax, and Buick Encore models.

Key Features

  • Integrated Housing Thermostat design for modern cooling system layouts
  • Start-to-open temperature: 221°F (105°C)
  • Electric thermostat configuration
  • Jiggle pin weep hole and jiggle pin/check valve included in the design
  • 3 bolt holes for mounting
  • Single seal design
  • OE Performance comparison rating

Product Details

Gates Integrated Housing Thermostat 34709 is engineered to regulate coolant flow at the specified opening temperature so the engine reaches and maintains proper operating temperature. Gates focuses on aftermarket thermostat housings for vehicles that use integrated designs, offering a direct replacement solution for OE-style cooling system service. This part cross-references Dorman OE Solutions 902-808 for the same application.

Compatible With 2011-2015 Chevrolet Cruze, 2016 Chevrolet Cruze Limited, 2016 Chevrolet Cruze NG, 2012-2018 Chevrolet Sonic, 2019-2020 Chevrolet Sonic, 2013-2018 Chevrolet Trax, 2020-2021 Chevrolet Trax, 2013-2019 Buick Encore, and 2020-2021 Buick Encore. Gates 34709 is a fitment-based choice for drivers searching for a Chevrolet Cruze thermostat housing, Buick Encore integrated thermostat housing, or Chevrolet Trax engine coolant thermostat replacement.

Common Problems This Part Addresses

  • Engine running too cool or too hot due to thermostat control issues
  • Coolant temperature instability during normal driving
  • Cooling system service needs on integrated thermostat housing assemblies
  • OE housing wear or failure in electric thermostat applications
  • Temperature regulation concerns on Cruze, Sonic, Trax, and Encore models

Installation Notes and Tips

Verify the outlet diameters, bolt-hole count, and electric thermostat configuration before installation. Confirm the vehicle’s original thermostat housing style and temperature specification match this 221°F unit. Inspect the sealing surface and cooling system condition during service, and follow the manufacturer’s service procedure for coolant refill and bleeding.

Quality Assurance

Gates develops integrated thermostat housing solutions to meet OE-performance expectations for modern cooling systems. The 34709 part number reflects Gates’ aftermarket coverage for integrated housing applications used on Chevrolet and Buick vehicles.

Related reading

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2021BuickEncore—1.4LL4GASN/AIntegrated Housing Thermostat
2021ChevroletTrax—1.4LL4GASN/AIntegrated Housing Thermostat
2020BuickEncore—1.4LL4GASN/AIntegrated Housing Thermostat
2020ChevroletSonic—1.4LL4GASN/AIntegrated Housing Thermostat
2020ChevroletTrax—1.4LL4GASN/AIntegrated Housing Thermostat
2019BuickEncoreBase1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019BuickEncoreEssence1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019BuickEncorePreferred1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletSonic—1.4LL4GASN/AIntegrated Housing Thermostat
2018BuickEncoreBase1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncoreCX1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncorePreferred1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncorePremium1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncorePreferred II1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncoreCXL1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncoreEssence1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncoreBase1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncorePreferred II1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncorePremium1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncorePreferred1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncoreEssence1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncoreCXL1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncoreCX1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreBase1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreConvenience1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreCX1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreCXL1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreLeather1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncorePremium1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletCruze Limited—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletCruze NG—1.4LL4GASN/AOld Body Style; 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015BuickEncore—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015ChevroletCruze—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014BuickEncore—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ChevroletCruze—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013BuickEncore—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ChevroletCruze—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013ChevroletTrax—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012ChevroletCruze—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012ChevroletSonic—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2011ChevroletCruze—1.4LL4GASN/A221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 49392Dorman - OE Solutions — 902-808Four Seasons — 85993Gates — 34709Motorad — 730-221131-180555653365557901055593034HT221-037