HomeBelts and Cooling > Thermostat and HousingStant 14659 Engine Coolant Thermostat / Water Outlet Assembly
Part #: 14659

Stant 14659 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing
⚙️ 46 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Thermostat Housing
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada
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Reliable Engine Cooling with Stant Integrated Thermostat Housing

The Stant Integrated Thermostat Housing 14659 is designed to maintain optimal engine temperature for select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. This engine coolant thermostat and water outlet assembly ensures precise temperature regulation at 187 degrees Fahrenheit, supporting efficient engine performance.

  • Flange diameter with seal: 1.41 inches
  • Flange diameter without seal: 2.84 inches
  • Height from flange to bottom: 1.12 inches
  • Temperature rating: 187 degrees Fahrenheit
  • Freight class: 70

Product Line Details: Integrated Thermostat Housing

The Stant Integrated Thermostat Housing line combines the thermostat and water outlet assembly into a single unit, simplifying installation and improving reliability. This design reduces potential leak points and ensures consistent coolant flow, making it suitable for the specified vehicle models including the Chevrolet Trailblazer and GMC Envoy series.

Detailed Product Description

Part number 14659 is engineered to meet the cooling system requirements of various mid-2000s SUVs and crossovers such as the Buick Rainier, Chevrolet Trailblazer EXT, and Isuzu Ascender. The thermostat opens at 187 degrees Fahrenheit, allowing coolant to circulate and prevent engine overheating. The precise flange dimensions ensure a secure fit and proper sealing when installed with the included seal. This assembly is built to maintain engine temperature stability under normal operating conditions.

Common Applications and Problem Resolution

  • Prevents engine overheating by regulating coolant flow
  • Replaces faulty or leaking thermostat housings
  • Eliminates coolant leaks at the water outlet flange
  • Restores proper engine temperature control in Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models
  • Addresses thermostat failure symptoms such as engine overheating or poor heater performance

Installation Notes and Tips

  • Ensure the mating surfaces are clean and free of old gasket material before installation
  • Use the correct seal to prevent coolant leaks at the flange
  • Torque bolts to manufacturer specifications to avoid warping the housing
  • Verify thermostat operation after installation by monitoring engine temperature

Quality Assurance and Warranty

Stant part number 14659 is manufactured to meet OEM specifications for fit and function. The Integrated Thermostat Housing undergoes quality control testing to ensure durability and reliable temperature regulation. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.

BrandStant
Part Number14659
PositionIntegrated Thermostat Housing
Flange Diameter (With Seal) (in)1.41
Flange Diameter (Without Seal) (in)2.84
Freight Class70
Height from Flange to Bottom (in)1.12
Temperature (F)187 Degrees

This part fits 46 vehicles. Search below:

YearMakeModelPositionNotes
2009ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2009GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2009Saab9-7xN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2008ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2008GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2008IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2008Saab9-7xN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2007BuickRainierN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2007ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2007GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2007IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2007Saab9-7xN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006BuickRainierN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006ChevroletTrailblazer EXTN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006GMCEnvoy XLN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2006Saab9-7xN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005BuickRainierN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005ChevroletTrailblazer EXTN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005GMCEnvoy XLN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005GMCEnvoy XUVN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2005Saab9-7xN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004BuickRainierN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004ChevroletTrailblazer EXTN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004GMCEnvoy XLN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004GMCEnvoy XUVN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2004OldsmobileBravadaN/ATemperature 187 Degrees; Seal Included - Seal; Located on Drivers side; Integrated Thermostat Housing
2003ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2003ChevroletTrailblazer EXTN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2003GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2003GMCEnvoy XLN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2003IsuzuAscenderN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2003OldsmobileBravadaN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2002ChevroletTrailblazerN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2002ChevroletTrailblazer EXTN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2002GMCEnvoyN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2002GMCEnvoy XLN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; Integrated Thermostat Housing
2002OldsmobileBravadaN/ATemperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side; 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.