HomeBelts and Cooling > Thermostat and HousingDorman 902-718 Engine Coolant Thermostat Housing Assembly
Part #: 902-718

Dorman 902-718 Engine Coolant Thermostat Housing Assembly

⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A4, A4 Quattro, A6, and A6 Quattro
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Reliable Engine Coolant Thermostat Housing Assembly for Audi Models

The Dorman 902-718 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Audi A4, A4 Quattro, A6, and A6 Quattro vehicles. This assembly includes a thermostat calibrated to open at 192 degrees Fahrenheit, ensuring precise temperature regulation.

  • Durable black plastic construction for corrosion resistance
  • Includes thermostat and gasket for a complete replacement
  • Designed with a 1.9-inch inside diameter for proper coolant flow
  • Features a single outlet port and seven mounting holes for secure fitment
  • Flange dimensions: 9 inches length, 5 inches width, and 0.7 inches thickness

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is engineered with a plastic material that resists corrosion and heat damage, suitable for regular grade applications. The included thermostat opens at 192°F, helping to maintain the engine’s ideal operating temperature. The housing features a single outlet port and seven mounting holes, with bolt hole center distances ranging from 1.7 to 3.2 inches, ensuring compatibility with specified Audi models. The package contains one thermostat housing, one thermostat, and one gasket, providing a comprehensive solution for coolant system maintenance.

Compatible Audi Models and Applications

This thermostat housing assembly is compatible with the following Audi vehicles:

  • Audi A4
  • Audi A4 Quattro
  • Audi A6
  • Audi A6 Quattro

It is designed to replace the original equipment part number and restore proper coolant flow and temperature regulation in these models.

Common Issues Addressed by This Thermostat Housing Assembly

  • Engine overheating due to thermostat failure
  • Coolant leaks from damaged or cracked housing
  • Erratic engine temperature fluctuations
  • Reduced engine performance caused by improper coolant flow
  • Failed thermostat causing delayed engine warm-up

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Remove the old thermostat housing carefully to prevent damage to surrounding components. Replace the gasket included in the package to ensure a proper seal and prevent leaks. Verify the mounting hole alignment with the vehicle’s engine block before securing the assembly. This part does not include mounting hardware, so reuse existing bolts or acquire new ones as needed.

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing assembly to meet or exceed OEM specifications for fit, form, and function. The plastic construction offers resistance to corrosion and heat degradation. The included thermostat is factory calibrated for reliable operation at 192 degrees Fahrenheit. Warranty details are provided by Dorman and typically cover defects in material and workmanship under normal use.

BrandDorman
Part Number902-718
MaterialPlastic
ColorBlack
Inside Diameter1.9
Mounting Hardware IncludedNo
Grade TypeRegular
Gasket Or Seal IncludedYes
Mounting Hole Quantity7
Gasket TypeGasket
Flange Length9
Flange Thickness0.7
Flange Width5
Outlet Port Quantity1
Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center1.8 in; 2.4 in; 1.7 in; 2.4 in; 3 in; 3.2 in; 2.2 in
Package Contents1 thermostat housing; 1 thermostat; 1 gasket
Thermostat IncludedYes
Thermostat Opening Temperature192 deg. f.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009AudiA4 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2009AudiA63.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2009AudiA6 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2008AudiA43.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2008AudiA4 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2008AudiA63.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2008AudiA6 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2007AudiA43.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2007AudiA4 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2007AudiA63.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2007AudiA6 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2006AudiA43.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2006AudiA4 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2006AudiA63.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2006AudiA6 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2005AudiA43.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2005AudiA4 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.
2005AudiA6 Quattro3.2LV6N/AEngine coolant thermostat housing assembly with integrated cover.

* 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:

06E121111D111-D143-08813472149479506-1925069286148KGT-506-192-NTSK902718

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