Stant
Integrated Thermostat Housing

Stant 49539 Engine Coolant Thermostat / Water Outlet Assembly

Brand Stant 49539
Flange Diameter (With Seal) (in) 1.4
Flange Diameter (Without Seal) (in) 1.95
Freight Class 70
Height from Flange to Bottom (in) 0.82
Temperature (F) 192 degrees
Product line Integrated Thermostat Housing
Fits Chevrolet and Pontiac · 25 vehicles

Integrated thermostat housing. Thermostat is built into the assembly for simpler installation.

Durable material. Built for long-lasting service in the cooling system.

192-degree thermostat. Opens at the specified temperature for proper coolant flow.

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Integrated Thermostat Housing for GM Small Cars

The Stant 49539 integrated thermostat housing combines the thermostat and water outlet housing into one assembly for a cleaner, more direct repair. Built from durable material, it is made for long service life and a straightforward replacement on select Chevrolet Aveo, Aveo5, Pontiac G3, Pontiac Wave, and Pontiac Wave5 applications.

With a 192-degree thermostat rating, this integrated thermostat housing supports proper engine coolant temperature control for everyday driving and consistent cooling system operation. The Stant Integrated Thermostat Housing line focuses on simplified service by combining key cooling components into a single unit.

Key Features

  • Stant Part Number 49539
  • Integrated thermostat housing and water outlet assembly
  • 192-degree thermostat rating
  • Durable housing material for long service life
  • Flange diameter with seal: 1.4 in.
  • Flange diameter without seal: 1.95 in.
  • Height from flange to bottom: 0.82 in.

Detailed Description

This thermostat housing assembly is built for direct replacement service on select Chevrolet Aveo and Aveo5 models, along with Pontiac G3, Pontiac Wave, and Pontiac Wave5 vehicles. The integrated design places the thermostat inside the housing, reducing the number of separate components involved in the repair and helping streamline installation on the cooling system. Stant 49539 is also listed as a replacement for part number 48349 in the applications shown.

For buyers searching for a 192-degree thermostat housing for Chevrolet Aveo 2004-2017 or Pontiac Wave applications, this part provides the correct temperature rating and housing dimensions for the listed fitments. The Stant 49539 is a practical choice when replacing a worn or leaking coolant outlet assembly on these GM small cars.

Common Repair Uses

  • Replacing a leaking thermostat housing or water outlet
  • Restoring proper coolant temperature regulation
  • Addressing cracked or aged plastic housing concerns
  • Correcting thermostat-related overheating or temperature fluctuation issues
  • Servicing a failed integrated thermostat assembly on listed Chevrolet and Pontiac models

Installation Notes

Verify engine application, thermostat temperature rating, and housing dimensions before installation. Clean the sealing surface thoroughly and inspect the coolant passages, hose connections, and mating surfaces for wear or damage. This part is listed for N/A position applications and should be matched to the exact vehicle fitment shown for Chevrolet Aveo, Aveo5, Pontiac G3, Pontiac Wave, and Pontiac Wave5.

Quality Assurance

Stant manufactures cooling system components with an emphasis on durable construction and serviceable OE-style fit. This integrated thermostat housing is built to support reliable coolant control in the listed applications and is specified at 192 degrees for the vehicles shown.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2016ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2015ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2014ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2013ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2012ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2011ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2010ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2009ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2008ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Plastic Housing; Integrated Thermostat Housing
2008ChevroletAveo5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2008PontiacG3N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2008PontiacWaveN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2007ChevroletAveo5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2007PontiacG3N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2007PontiacWaveN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2007PontiacWave5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2006ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2006ChevroletAveo5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2006PontiacWaveN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2006PontiacWave5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2005ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2005PontiacWaveN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2005PontiacWave5N/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing
2004ChevroletAveoN/ATemperature 192 Degrees; Part Replacement Replaces 48349; Integrated Thermostat Housing