HomeBelts and Cooling > Thermostat and HousingStant 14589 Engine Coolant Thermostat / Water Outlet Assembly
Part #: 14589

Stant 14589 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing
⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Thermostat Housing
🚗Fitment: Mercedes-Benz, SLK230, C230, and C220
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Stant Integrated Thermostat Housing 14589

The Stant Integrated Thermostat Housing 14589 is designed specifically for Mercedes-Benz vehicles including the C220, C230, and SLK230 models. This engine coolant thermostat and water outlet assembly ensures precise temperature regulation for optimal engine performance.

  • Bypass Plate Diameter: 1.7 inches
  • Flange Diameter with Seal: 2.63 inches
  • Flange Diameter without Seal: 2.88 inches
  • Height from Flange to Bottom: 1.32 inches
  • Thermostat Opening Temperature: 189 degrees Fahrenheit
  • Freight Class: 70

Details on the Integrated Thermostat Housing Product Line

The Stant Integrated Thermostat Housing line 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 the correct engine temperature in Mercedes-Benz vehicles such as the C220, C230, and SLK230. Part number 14589 is engineered to meet OEM specifications for fit and function.

Product Description and Specifications

The Stant 14589 thermostat housing features a 1.7-inch bypass plate diameter and flange diameters of 2.63 inches with the seal and 2.88 inches without. The height from flange to bottom measures 1.32 inches, providing a precise fit for the cooling system. The thermostat opens at 189 degrees Fahrenheit, ensuring the engine reaches optimal operating temperature before coolant flow begins. This assembly is designed to maintain proper engine temperature, prevent overheating, and support efficient engine operation in compatible Mercedes-Benz models.

Common Applications and Problem Resolution

  • Regulates engine temperature to prevent overheating in Mercedes-Benz C220, C230, and SLK230
  • Replaces faulty or leaking thermostat housings causing coolant loss
  • Restores proper coolant flow and engine warm-up times
  • Eliminates coolant leaks from worn or damaged water outlet assemblies
  • Improves engine efficiency by maintaining consistent operating temperature

Installation Notes and Tips

  • Ensure compatibility with Mercedes-Benz C220, C230, and SLK230 before installation
  • Inspect and replace gasket or seal to prevent leaks during assembly
  • Follow manufacturer torque specifications for flange bolts
  • Drain coolant system prior to removal to avoid spills
  • Verify thermostat opening temperature matches vehicle requirements (189°F)

Quality Assurance and Warranty

Stant's Integrated Thermostat Housing 14589 is manufactured to meet or exceed OEM standards for durability and performance. Each unit undergoes quality control inspections to ensure proper fit and function. While specific warranty details are not provided, Stant products typically come with a limited warranty against defects in materials and workmanship.

BrandStant
Part Number14589
PositionIntegrated Thermostat Housing
Bypass Plate Diameter (in)1.7
Flange Diameter (With Seal) (in)2.63
Flange Diameter (Without Seal) (in)2.88
Freight Class70
Height from Flange to Bottom (in)1.32
Temperature (F)189 Degrees

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2004Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
2003Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
2002Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
2001Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
2000Mercedes-BenzC230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
2000Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1999Mercedes-BenzC230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1999Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1998Mercedes-BenzC230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1998Mercedes-BenzSLK230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1997Mercedes-BenzC230N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1996Mercedes-BenzC220N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1995Mercedes-BenzC220N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
1994Mercedes-BenzC220N/ATemperature 189 Degrees; Seal Included - Seal; OE Temperature; 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.