Vemo V20-99-0173 Engine Coolant Thermostat
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Vemo
 VEMO

Vemo V20-99-0173 Engine Coolant Thermostat

Brand Vemo V20-99-0173
Height [mm] 73
Length [mm] 100
Opening Temperature [°C] 82
Packaging Depth [cm] 14,1
Packaging height [cm] 8,2
Packaging width [cm] 8,8
Vehicle Equipment for vehicles with automatic transmission
Weight [kg] 0.107
Width [mm] 98
Product line VEMO
Fits BMW · 12 vehicles

Engine coolant thermostat. Regulates coolant flow to help maintain proper operating temperature.

82°C opening temperature. Opens at the specified temperature for consistent thermal control.

VEMO line. A trusted brand line for cooling system replacement parts.

Cross-references 1 439 115, 7 559 963 and 7 559 966 for the same application. See all 6.

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Engine Coolant Thermostat for BMW X5

This Vemo engine coolant thermostat is built for the BMW X5 and is specified for automatic transmission vehicles. It opens at 82°C to help regulate coolant flow and maintain stable operating temperature in everyday driving. Part number V20-99-0173 is an OE-style replacement for the listed application.

Key Features

  • Engine coolant thermostat for cooling system temperature control
  • Opening temperature: 82°C
  • Dimensions: 100 mm length, 98 mm width, 73 mm height
  • Vehicle equipment: for vehicles with automatic transmission
  • Lightweight design at 0.107 kg
  • Vemo V20-99-0173 for BMW X5 cooling system service

Product Details

VEMO is the product line designation used by Vemo for OE-style replacement parts, and this thermostat follows that approach with application-specific sizing and temperature calibration. The V20-99-0173 is listed for 2000-2006 BMW X5 models and references OE number 17107559966. This part cross-references BMW OE numbers 1 439 115 and 7 559 963 for the same application.

Fitment

  • Fits 2000-2006 BMW X5, N/A.

Common Issues This Part May Address

  • Engine running too cool or taking too long to reach operating temperature
  • Temperature fluctuation caused by a thermostat that no longer opens at the correct point
  • Cooling system performance concerns on BMW X5 automatic transmission applications
  • Check engine light or drivability issues related to coolant temperature regulation
  • Reduced heater output when coolant temperature is not being controlled properly

Installation Notes and Tips

Verify the OE number and vehicle configuration before installation, especially on BMW X5 automatic transmission models. Inspect the thermostat housing, sealing surfaces, and coolant condition during service, and confirm the cooling system is properly bled after replacement. This listing notes the part is supplied without a gasket.

Quality Assurance

Vemo parts are cataloged as OE-style replacement components with application-specific fitment and dimensional accuracy. Part number V20-99-0173 is matched to the listed BMW X5 application and temperature specification for consistent cooling system service.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2006BMWX5Sport Utility4.8LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2006BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2005BMWX5Sport Utility4.8LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2005BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2004BMWX5Sport Utility4.8LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2004BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2003BMWX5Sport Utility4.6LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2003BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2002BMWX5Sport Utility4.6LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2002BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2001BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
2000BMWX5Sport Utility4.4LV8N/AGrade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1 439 1157 559 9637 559 96617 10 1 439 11517 10 7 559 96317 10 7 559 966