OE Quality
60-Day Returns

Vemo V20-99-0173 Engine Coolant Thermostat
Reliable Engine Coolant Thermostat for BMW X5
The Vemo VEMO Engine Coolant Thermostat (Part Number V20-99-0173) is designed specifically for BMW X5 models equipped with automatic transmissions. This thermostat ensures precise temperature regulation to maintain optimal engine performance and prevent overheating.
- Opening temperature: 82°C for accurate coolant flow control
- Compact dimensions: 100 mm length, 98 mm width, and 73 mm height
- Lightweight design at 0.107 kg for efficient engine integration
- Compatible with BMW X5 vehicles featuring automatic transmission
- Part of the VEMO product line, known for quality engine cooling components
Detailed Product Description
The Vemo VEMO Engine Coolant Thermostat V20-99-0173 is engineered to regulate the flow of coolant through the engine cooling system by opening at 82°C. Its precise opening temperature helps maintain the engine within the ideal operating range, reducing wear and improving fuel efficiency. The thermostat measures 100 mm in length, 98 mm in width, and 73 mm in height, making it a direct fit replacement for BMW X5 models with automatic transmissions. Weighing just 0.107 kg, it integrates seamlessly without adding unnecessary weight to the engine bay.
The VEMO brand line focuses on delivering reliable and durable engine cooling components that meet OEM specifications. This thermostat is manufactured to strict quality standards, ensuring consistent performance and longevity in demanding driving conditions.
Common Applications and Problem Solving
- Prevents engine overheating by regulating coolant flow
- Resolves issues with inconsistent engine temperature readings
- Eliminates coolant leaks caused by faulty thermostat housings
- Improves engine warm-up time for better fuel economy
- Addresses automatic transmission cooling requirements in BMW X5
Installation Notes and Tips
- Ensure compatibility with BMW X5 models equipped with automatic transmission before installation
- Replace thermostat gasket or seal to prevent leaks during installation
- Drain coolant system prior to removal of the old thermostat
- Follow manufacturer torque specifications when securing the thermostat housing
- Bleed the cooling system after installation to remove air pockets
Quality Assurance and Warranty
The Vemo VEMO Engine Coolant Thermostat V20-99-0173 is manufactured under stringent quality control processes to meet or exceed OEM standards. This part is designed for durability and reliable operation within the BMW X5 cooling system. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship.
| Brand | Vemo |
| Part Number | V20-99-0173 |
| Position | VEMO |
| 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 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | BMW | X5 | Sport Utility | 4.8L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2006 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2005 | BMW | X5 | Sport Utility | 4.8L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2005 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2004 | BMW | X5 | Sport Utility | 4.8L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2004 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2003 | BMW | X5 | Sport Utility | 4.6L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2003 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2002 | BMW | X5 | Sport Utility | 4.6L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2002 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2001 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
| 2000 | BMW | X5 | Sport Utility | 4.4L | V8 | N/A | Grade: Aftermarket; Description: Without Gasket; Temperature Range (Celsius): 82 C; With OE No. 17107559966; VEMO |
* 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.