HomeBelts and Cooling > Thermostat and HousingMotorad 806-189 Engine Coolant Thermostat Housing Assembly
Part #: 806-189

Motorad 806-189 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat
⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Volkswagen, Beetle, Golf, Jetta, and Bora
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Overview of Motorad Integrated Housing Thermostat 806-189

The Motorad Integrated Housing Thermostat 806-189 is designed for precise engine temperature regulation in select Audi and Volkswagen models. This engine coolant thermostat housing assembly ensures reliable cooling system performance for vehicles such as the Audi A3 and Volkswagen Golf.

  • Engine coolant thermostat housing assembly with integrated thermostat
  • Compatible with Audi A3, Volkswagen Beetle, Bora, Golf, and Jetta
  • Operates at a 189°F opening temperature for optimal engine temperature control
  • Constructed from durable plastic, stainless steel, and copper materials
  • Includes a rubber gasket/seal for secure installation
  • Features 2 bolt holes and 5 outlet ports with varied diameters

Detailed Features and Specifications

This Motorad Integrated Housing Thermostat (part number 806-189) is engineered to maintain engine temperature by opening at 189 degrees Fahrenheit. The assembly includes a single rubber gasket to ensure a tight seal and prevent coolant leaks. Its construction combines plastic, stainless steel, and copper components to balance durability and corrosion resistance. The housing features two bolt holes for mounting and five outlet ports with diameters ranging from 0.64 inches to 2.27 inches, accommodating various coolant flow paths within the cooling system. The black color finish provides a clean, OEM-style appearance.

About the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat line combines the thermostat and housing into a single assembly, simplifying installation and reducing potential leak points. This design is particularly suited for vehicles requiring precise temperature control and reliable coolant flow management. The 806-189 model fits specific Audi and Volkswagen vehicles, ensuring compatibility and performance aligned with manufacturer specifications.

Applications and Common Issues Addressed

  • Regulates engine temperature to prevent overheating in Audi A3 and Volkswagen Golf models
  • Replaces faulty or leaking thermostat housings in Volkswagen Jetta and Beetle vehicles
  • Restores proper coolant flow in Bora engines experiencing temperature fluctuations
  • Eliminates coolant leaks caused by worn or damaged seals
  • Improves engine warm-up time by maintaining accurate thermostat opening temperature

Installation Notes and Tips

Installation requires removal of the old thermostat housing assembly and careful cleaning of the mounting surface. The included rubber gasket should be properly seated to ensure a leak-free seal. Note that mounting hardware and bolts are not included, so original bolts should be reused or replaced as needed. No bleeder hole or jiggle pin is present on this model, so bleeding the cooling system after installation is recommended to remove air pockets.

Quality Assurance and Warranty

Motorad parts are manufactured to meet or exceed OEM standards for fit and function. The 806-189 thermostat housing assembly undergoes quality checks to ensure durability and reliable performance. This product includes a rubber gasket to maintain a secure seal and prevent coolant leaks. Warranty details should be confirmed with the distributor or retailer at the time of purchase.

BrandMotorad
Part Number806-189
PositionIntegrated Housing Thermostat
Bleeder HoleNo
Bolts IncludedNo
ColorBlack
Gasket or Seal includedYes
Gasket/Seal MaterialRubber
Gasket/Seal MaterialRubber
Hardware includedNo
Installation Tool IncludedNo
Jiggle Pin IncludedNo
MaterialPlastic, Stainless Steel, Copper
Mounting Hardware IncludedNo
Number Of Bolt Holes2
Number Of Outlet Ports5
Number Of Seals1
Opening Temperature189
Outlet Diameter2.27 in, 1.27 in, 1.00 in, 0.64 in, 1.00 in
Start to Open Temperature189 Deg. F
Temperature189 Deg. F
Temperature (Degree)189

This part fits 19 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
2015VolkswagenBeetle2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2014VolkswagenBeetle2.0LL4N/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2014VolkswagenGolfWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2014VolkswagenGolfHatchback2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2014VolkswagenJetta2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2013VolkswagenBeetle2.0LL4N/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2013VolkswagenGolfWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2013VolkswagenJettaWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2012AudiA32.0LL4N/AIncludes thermostat, housing, and seal; Integrated Housing Thermostat
2012VolkswagenGolfWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2012VolkswagenJettaWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2011AudiA32.0LL4N/AIncludes thermostat, housing, and seal; Integrated Housing Thermostat
2011VolkswagenGolfWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2011VolkswagenJettaWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2010AudiA32.0LL4N/AIncludes thermostat, housing, and seal; Integrated Housing Thermostat
2010VolkswagenJettaWagon2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2009VolkswagenBora2.0LL4N/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2009VolkswagenJetta2.0LL4DIESELN/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat
2008VolkswagenBora2.0LL4N/ATemperature 189F - Includes thermostat, housing, and seal - OE Specified Temperature; Integrated Housing Thermostat

* 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:

03L121111AC347774963858068806-1898068985967902-59079806189HT189-608P80689TI3387

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