HomeBelts and Cooling > Thermostat and HousingGates 34842 Engine Coolant Thermostat
Part #: 34842

Gates 34842 Engine Coolant Thermostat

Integrated Housing Thermostat
⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Chevrolet, GMC, and Buick, Malibu, Spark, Trax, Equinox, Terrain, Encore, Cruze, Volt, and Cruze NG
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Reliable Cooling with Gates Integrated Housing Thermostat 34842

The Gates Integrated Housing Thermostat 34842 is engineered to maintain optimal engine temperature for select Buick, Chevrolet, and GMC vehicles. Designed for precise temperature control, this thermostat ensures efficient coolant flow and engine protection.

  • Integrated housing thermostat design for streamlined installation
  • Start to open temperature at 180°F (82°C) for accurate thermal regulation
  • Outlet outside diameter of 1.25 inches and inside diameter of 0.98 inches
  • Equipped with a jiggle pin weep hole to prevent air lock
  • Two bolt holes for secure mounting
  • Compatible with Buick, Chevrolet, and GMC models including Cruze, Encore, Equinox, Malibu, Spark, Terrain, Trax, and Volt

Product Line Overview: Gates Integrated Housing Thermostat

The Gates Integrated Housing Thermostat line combines the thermostat and housing into a single unit, simplifying replacement and reducing potential leak points. This design supports consistent coolant flow and temperature control, aligning with OE performance standards. The 34842 part number represents this integrated approach, providing a reliable solution for engine cooling systems in various GM vehicles.

Detailed Product Description

The Gates 34842 thermostat features a start to open temperature of 180°F (82°C), ensuring the engine reaches optimal operating temperature before coolant circulation begins. Its integrated housing design includes a jiggle pin weep hole, which helps eliminate trapped air and prevents overheating. The thermostat has an outlet outside diameter of 1.25 inches and an inside diameter of 0.98 inches, fitting securely with the vehicle’s cooling system. With two bolt holes, installation is stable and precise. This non-electric thermostat does not include a check valve but incorporates one jiggle pin to maintain proper coolant flow.

Common Applications and Problem Solving

  • Prevents engine overheating by regulating coolant flow
  • Eliminates air pockets in the cooling system with jiggle pin weep hole
  • Replaces faulty or leaking thermostat housings in Buick Cruze and Chevrolet Equinox
  • Restores proper engine temperature control in GMC Terrain and Chevrolet Malibu
  • Addresses coolant leaks caused by worn or damaged thermostat housings

Installation Notes and Tips

  • Ensure engine is cool before removal to avoid burns
  • Inspect gasket and replace if necessary to prevent leaks
  • Torque bolts evenly to manufacturer specifications for secure fit
  • Verify coolant levels and bleed air from the system after installation
  • Compatible with non-electric cooling systems; no wiring required

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 34842 meets OE performance standards, providing reliable temperature regulation and durability. Gates products are manufactured under strict quality controls to ensure consistent fit and function. While specific warranty details vary, Gates typically offers coverage against defects in materials and workmanship, supporting long-term vehicle performance.

BrandGates
Part Number34842
PositionIntegrated Housing Thermostat
1
Bolt Hole Quantity2
Check ValveNo
ElectricNo
ElectricNo
Jiggle Pin Weep HoleYes
Jiggle Pin/Check ValveYes
Number of Bolt Holes2
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOE Performance
OE ExactNo
Outlet Inside Diameter.98
Outlet Inside Diameter 2 (in).98
Outlet Outside Diameter1.25
Outlet Outside Diameter 1 (in)1.25
Start to Open Temperature82
Start to Open Temperature180
Temperature (C)82
TypeIntegrated Housing Thermostat

This part fits 47 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2025ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2024ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2024ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2024GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2023ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2023ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2023GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022BuickEncore1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022ChevroletTrax1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2022GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021BuickEncore1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021ChevroletTrax1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2021GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2020ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2020ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2020ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2020GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019BuickEncoreSport Touring1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletCruze1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019ChevroletTrax1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2019GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018BuickEncoreSport Touring1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletCruze1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletEquinox1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2018GMCTerrain1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017BuickEncoreSport Touring1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletCruze1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2017ChevroletVolt1.5LL4ELECTRIC/GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016BuickEncoreSport Touring1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletCruze1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletCruze NG1.4LL4GASN/ANew Body Style; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletMalibu1.5LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2016ChevroletSpark1.4LL4GASN/A180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat

* 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:

1265647312656949126696331267341315-8183586206902-2116902-2124993-176

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