OE Quality
60-Day Returns

Walker 211-2109 Engine Coolant Temperature Sensor
Overview of Walker Engine Coolant Temperature Sensor 211-2109
The Walker Engine Coolant Temperature Sensor 211-2109 is designed specifically for BMW X5 models, providing accurate temperature readings essential for engine management. This sensor features a pin-type terminal and an oblong female connector, ensuring reliable electrical connections without the need for a wiring harness.
- Terminal Type: Pin for secure electrical contact
- Connector Shape: Oblong for precise fitment
- Terminal Quantity: 2 terminals for proper signal transmission
- Connector Gender: Female to match vehicle wiring
- Wiring Harness Included: No, sensor only
Detailed Product Description
The Walker 211-2109 Engine Coolant Temperature Sensor is part of the Sensor Only brand line, which focuses on providing the sensor component without additional wiring harnesses or installation hardware. This allows for straightforward replacement when the original sensor fails or shows signs of wear. The sensor’s pin terminal type and oblong female connector are engineered to fit the BMW X5’s existing wiring harness, ensuring compatibility and ease of installation. With two terminals, the sensor accurately communicates coolant temperature data to the engine control unit, helping maintain optimal engine performance and fuel efficiency.
Compatible Vehicles and Applications
This sensor is compatible with BMW X5 models, making it a suitable replacement part for maintaining proper engine temperature monitoring. It is designed to address issues such as:
- Inaccurate engine temperature readings
- Engine overheating warnings
- Poor fuel economy due to faulty temperature data
- Check engine light triggered by coolant sensor faults
- Engine performance irregularities related to temperature sensor failure
Installation Notes and Tips
When installing the Walker 211-2109 Engine Coolant Temperature Sensor, ensure the vehicle is cool to avoid burns or damage. The sensor connects via a female oblong connector with two pin terminals, so verify the wiring harness matches this configuration. Since the wiring harness is not included, reuse the existing harness or source separately if needed. Proper torque specifications should be followed to avoid sensor damage or leaks.
Quality Assurance and Warranty
Walker’s Sensor Only product line is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided here, Walker products typically undergo rigorous quality control to ensure durability and reliable performance in BMW X5 applications. For warranty information, refer to the manufacturer’s documentation or contact authorized distributors.
| Brand | Walker |
| Part Number | 211-2109 |
| Position | Sensor Only |
| Terminal Type | Pin |
| Connector Shape | Oblong |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Wiring Harness Included | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | BMW | X5 | 3.0L | L6 | N/A | Sensor Only |
| 2017 | BMW | X5 | 3.0L | L6 | N/A | Sensor Only |
| 2016 | BMW | X5 | 3.0L | L6 | N/A | Sensor Only |
| 2015 | BMW | X5 | 3.0L | L6 | N/A | Sensor Only |
| 2014 | BMW | X5 | 3.0L | L6 | N/A | Sensor Only |
* 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.