HomeStant 49742 Engine Coolant Thermostat / Water Outlet Assembly
Part #: 49742

Stant 49742 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Integrated Thermostat Housing
Fitment: Chevrolet, GMC, Buick, and Cadillac, Colorado, Canyon, LaCrosse, ATS, and Malibu
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Reliable Engine Cooling with Stant Integrated Thermostat Housing 49742

The Stant Integrated Thermostat Housing 49742 is designed to maintain optimal engine temperature for select Buick, Cadillac, Chevrolet, and GMC vehicles. This engine coolant thermostat and water outlet assembly ensures precise temperature regulation, helping to protect your engine from overheating or inefficient cooling.

  • Flange diameter with seal: 1.21 inches
  • Flange diameter without seal: 2.54 inches
  • Height from flange to bottom: 1.45 inches
  • Thermostat temperature rating: 203 degrees Fahrenheit
  • Freight class: 70

About the Stant Integrated Thermostat Housing Product Line

The Integrated Thermostat Housing line by Stant combines the thermostat and housing into a single assembly, simplifying installation and improving reliability. This design reduces potential leak points and ensures consistent coolant flow, which is critical for maintaining engine temperature in vehicles like the Buick LaCrosse, Cadillac ATS, Chevrolet Malibu, and GMC Canyon and Colorado models.

Detailed Product Description

The Stant 49742 thermostat housing integrates the thermostat directly into the water outlet assembly, providing a compact and efficient cooling system component. The thermostat is calibrated to open at 203 degrees Fahrenheit, allowing coolant to circulate through the engine when the optimal operating temperature is reached. The flange dimensions, both with and without the seal, ensure a precise fit for compatible vehicles, while the height from flange to bottom supports proper alignment within the engine bay.

Common Applications and Issues Addressed

  • Prevents engine overheating by regulating coolant flow
  • Replaces faulty or leaking thermostat housings
  • Restores proper engine temperature control in Buick, Cadillac, Chevrolet, and GMC models
  • Eliminates coolant leaks caused by worn seals or damaged housings
  • Improves engine efficiency and longevity by maintaining consistent temperature

Installation Notes and Tips

  • Ensure compatibility with your vehicle’s make and model before installation
  • Inspect and replace any worn gaskets or seals during installation
  • Follow manufacturer torque specifications for flange bolts to prevent leaks
  • Bleed the cooling system after installation to remove air pockets
  • Use proper coolant type recommended for your vehicle

Quality Assurance and Warranty

Stant parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The Integrated Thermostat Housing 49742 undergoes rigorous quality control to maintain consistent temperature regulation and fitment. Warranty coverage details should be confirmed with the original product documentation or supplier.

BrandStant
Part Number49742
PositionIntegrated Thermostat Housing
Flange Diameter (With Seal) (in)1.21
Flange Diameter (Without Seal) (in)2.54
Freight Class70
Height from Flange to Bottom (in)1.45
Temperature (F)203 Degrees

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2020ChevroletColoradoN/ATemperature 203 Degrees; Integrated Thermostat Housing
2020GMCCanyonN/ATemperature 203 Degrees; Integrated Thermostat Housing
2019BuickLaCrosseN/ATemperature 203 Degrees; Integrated Thermostat Housing
2019ChevroletColoradoN/ATemperature 203 Degrees; Integrated Thermostat Housing
2019GMCCanyonN/ATemperature 203 Degrees; Integrated Thermostat Housing
2018BuickLaCrosseN/ATemperature 203 Degrees; Integrated Thermostat Housing
2018ChevroletColoradoN/ATemperature 203 Degrees; Integrated Thermostat Housing
2018GMCCanyonN/ATemperature 203 Degrees; Integrated Thermostat Housing
2017CadillacATSN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2017ChevroletColoradoN/ATemperature 203 Degrees; Integrated Thermostat Housing
2017GMCCanyonN/ATemperature 203 Degrees; Integrated Thermostat Housing
2016CadillacATSN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2016ChevroletColoradoN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2016GMCCanyonN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2015CadillacATSN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2015ChevroletColoradoN/ATemperature 203 Degrees; Integrated Thermostat Housing
2015GMCCanyonN/ATemperature 203 Degrees; Integrated Thermostat Housing
2014CadillacATSN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2013CadillacATSN/ATemperature 203 Degrees; Housing includes thermostat; Integrated Thermostat Housing
2013ChevroletMalibuN/ATemperature 203 Degrees; Integrated Thermostat Housing

* 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:

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