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Walker 245-2173 Mass Air Flow Sensor
Overview of Walker Mass Air Flow Sensor 245-2173
The Walker Mass Air Flow Sensor 245-2173 is designed to provide accurate airflow measurement for optimal engine performance. Compatible with select Audi, BMW, Land Rover, and Mercedes-Benz models, this sensor ensures precise air intake data for efficient fuel management.
- Part Number: 245-2173
- Connector Gender: Female
- Terminal Quantity: 5
- Mounting Hardware Included
- Housing Not Included
Walker Mass Air Flow Sensor Product Line Details
The Walker Mass Air Flow Sensor product line focuses on delivering reliable emission control components tailored for various vehicle applications. This line emphasizes sensor accuracy and durability, supporting emission standards compliance and engine efficiency. The 245-2173 sensor is part of this line, engineered to meet the specific requirements of premium vehicle makes and models.
Technical Description and Compatibility
This mass air flow sensor features a female connector with five terminals, facilitating secure and precise electrical connections. While the housing is not included, the sensor comes with mounting hardware to simplify installation. It is compatible with multiple vehicle models, including Audi A3, BMW 540i, 740i, 740iL, Land Rover Range Rover, and Mercedes-Benz G55 AMG, S55 AMG, SL55 AMG, X5, and Z8. The sensor plays a critical role in measuring the volume and density of air entering the engine, which is essential for accurate fuel injection and emission control.
Common Applications and Issues Addressed
- Helps resolve engine performance issues related to inaccurate air flow readings
- Addresses rough idling and stalling caused by faulty sensors
- Improves fuel efficiency by providing precise air intake data
- Supports emission control compliance by ensuring accurate sensor feedback
- Reduces check engine light triggers related to mass air flow sensor faults
Installation Notes and Tips
Installation of the Walker Mass Air Flow Sensor 245-2173 requires careful handling of the sensor terminals and connector. Since the housing is not included, ensure the existing housing is in good condition before installation. The included mounting hardware facilitates secure attachment. It is recommended to disconnect the battery before installation and verify connector compatibility with the vehicle’s wiring harness. Proper installation helps maintain sensor accuracy and vehicle performance.
Quality Assurance and Warranty
Walker products are manufactured to meet industry standards for emission control sensors. The 245-2173 sensor undergoes quality checks to ensure reliable operation. While specific warranty details are not provided here, Walker typically offers coverage against manufacturing defects. For warranty information, refer to the product documentation or contact the manufacturer directly.
| Brand | Walker |
|---|---|
| Part Number | 245-2173 |
| Position | Walker Mass Air Flow Sensor |
| Connector Gender | Female |
| Housing Included | No |
| Mounting Hardware Included | Yes |
| Terminal Quantity | 5 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Mercedes-Benz | G55 AMG | 5.4L | V8 | N/A | Sensor Only |
| 2006 | Mercedes-Benz | SL55 AMG | 5.5L | V8 | N/A | Sensor Only |
| 2005 | Mercedes-Benz | SL55 AMG | 5.5L | V8 | N/A | Sensor Only |
| 2004 | Land Rover | Range Rover | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2004 | Mercedes-Benz | S55 AMG | 5.5L | V8 | N/A | Sensor Only |
| 2004 | Mercedes-Benz | SL55 AMG | 5.5L | V8 | N/A | Sensor Only |
| 2003 | BMW | 540i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2003 | BMW | X5 | 4.6L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2003 | BMW | X5 | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2003 | BMW | Z8 | 4.8L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2003 | Land Rover | Range Rover | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2003 | Mercedes-Benz | SL55 AMG | 5.4L | V8 | N/A | Sensor Only |
| 2002 | BMW | 540i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2002 | BMW | X5 | 4.6L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2002 | BMW | X5 | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2001 | Audi | A3 | 1.8L | L4 | N/A | Sensor Only |
| 2001 | BMW | 540i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2001 | BMW | 740i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2001 | BMW | 740iL | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2001 | BMW | X5 | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2000 | Audi | A3 | 1.8L | L4 | N/A | Sensor Only |
| 2000 | BMW | 540i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2000 | BMW | 740i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2000 | BMW | 740iL | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 2000 | BMW | X5 | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 1999 | Audi | A3 | 1.8L | L4 | N/A | Sensor Only |
| 1999 | BMW | 540i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 1999 | BMW | 740i | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
| 1999 | BMW | 740iL | 4.4L | V8 | N/A | Walker Mass Air Flow Sensor |
* 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.