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Part #: 245-1147

Walker 245-1147 Mass Air Flow Sensor

Walker Mass Air Flow Assembly
⚙️ 19 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Mass Air Flow Assembly
🚗Fitment: BMW, 540i, 740i, 740iL, and 840Ci
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Mass Air Flow Sensor 245-1147

The Walker Mass Air Flow Assembly 245-1147 is designed for precise air measurement in BMW vehicles, including the 540i, 740i, 740iL, and 840Ci models. This sensor ensures accurate airflow data to optimize engine performance and emissions control.

  • Housing included for secure installation
  • Four-terminal female connector for reliable electrical connection
  • Compatible with BMW 540i, 740i, 740iL, and 840Ci models
  • Part number 245-1147 for exact fitment
  • Mounting hardware not included

Walker Mass Air Flow Assembly Product Line Details

The Walker Mass Air Flow Assembly product line focuses on delivering emission control sensors that meet OEM specifications. This line emphasizes durability and precise airflow measurement, critical for maintaining engine efficiency and emissions compliance. The 245-1147 sensor is part of this line, providing a direct replacement solution for select BMW models.

Detailed Product Description

This mass air flow sensor features a housing included design, which protects the sensor element and facilitates straightforward installation. The sensor uses a four-terminal female connector, ensuring compatibility with the vehicle’s wiring harness. While mounting hardware is not included, the sensor’s design allows for easy integration into the existing mounting points of BMW 540i, 740i, 740iL, and 840Ci models. The part number 245-1147 identifies this specific sensor within the Walker lineup, ensuring proper fit and function.

Common Applications and Issues Addressed

  • Restores accurate air intake measurement for optimal fuel injection
  • Resolves engine performance issues related to faulty airflow data
  • Helps correct rough idling and stalling problems
  • Improves emissions control by providing precise sensor feedback
  • Addresses check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

Installation requires careful handling of the sensor housing to avoid damage. Since mounting hardware is not included, reuse existing hardware or source compatible fasteners. Ensure the four-terminal female connector is securely attached to the vehicle’s wiring harness to maintain proper electrical connection. It is recommended to verify sensor calibration after installation for optimal performance.

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet or exceed OEM standards for durability and accuracy. The 245-1147 sensor undergoes rigorous quality control to ensure reliable operation in BMW 540i, 740i, 740iL, and 840Ci vehicles. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary.

BrandWalker
Part Number245-1147
PositionWalker Mass Air Flow Assembly
Connector GenderFemale
Housing IncludedYes
Mounting Hardware IncludedNo
Terminal Quantity4

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998BMW540i4.4LV8N/AWalker Mass Air Flow Assembly
1998BMW740i4.4LV8N/AWalker Mass Air Flow Assembly
1998BMW740iL4.4LV8N/AWalker Mass Air Flow Assembly
1997BMW540i4.4LV8N/AWalker Mass Air Flow Assembly
1997BMW740i4.4LV8N/AWalker Mass Air Flow Assembly
1997BMW740iL4.4LV8N/AWalker Mass Air Flow Assembly
1997BMW840Ci4.4LV8N/AWalker Mass Air Flow Assembly
1996BMW740iL4.4LV8N/AWalker Mass Air Flow Assembly
1996BMW840Ci4.4LV8N/AWalker Mass Air Flow Assembly
1995BMW540i4.0LV8N/AWalker Mass Air Flow Assembly
1995BMW740i4.0LV8N/AWalker Mass Air Flow Assembly
1995BMW740iL4.0LV8N/AWalker Mass Air Flow Assembly
1995BMW840Ci4.0LV8N/AWalker Mass Air Flow Assembly
1994BMW540i4.0LV8N/AWalker Mass Air Flow Assembly
1994BMW740i4.0LV8N/AWalker Mass Air Flow Assembly
1994BMW740iL4.0LV8N/AWalker Mass Air Flow Assembly
1994BMW840Ci4.0LV8N/AWalker Mass Air Flow Assembly
1993BMW740i4.0LV8N/AWalker Mass Air Flow Assembly
1993BMW740iL4.0LV8N/AWalker Mass Air Flow Assembly

* 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:

13621702078158107321342072211537119741011574101998650047917874MA112MAS0366MF21153MF21153N

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