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🔧 Upgrade your airflow game—because your Ford deserves precision and power!
The BR31-12B579-AA Mass Air Flow Sensor Replacement is a high-precision, direct-fit sensor designed for Ford F-150, Mustang, Lincoln, and other models from 2011-2017. With ±2-5% measurement accuracy and a robust operating temperature up to 250°F, it ensures optimal air-fuel mixture for smoother idling and improved engine performance. Easy to install with a plug-and-play harness connector, this sensor meets or exceeds OEM standards, making it the go-to upgrade for eliminating rough idling, stalling, and lean running issues.












| ASIN | B089SSCTNW |
| Best Sellers Rank | #1,109,424 in Automotive ( See Top 100 in Automotive ) #1,884 in Automotive Replacement Mass Air Flow Sensors |
| Brand Name | IXGKHC |
| Customer Reviews | 4.4 4.4 out of 5 stars (54) |
| Item Weight | 113.2 Grams |
| Manufacturer | IXGKHC |
| Measurement Accuracy | ±2% to ±5% |
| Model | BR31-12B579-AA BR3Z-12B579-AA |
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Sensing Distance | 100 Centimeters |
| Specific Uses For Product | Air Flow Sensor |
| Style Name | Box |
| Upper Temperature Rating | 250 Degrees Fahrenheit |
| Warranty Description | 2011-2014 Replacement For Ford Mustang (3.7/5.0/5.4) 2013-2017 Replacement For Ford Fusion (1.5/2.0/2.5/2.7) 2013-2018 Replacement For Ford Flex (3.5) 2013-2017 Replacement For Ford Taurus (3.5) 2013-2015 Replacement For Ford Explorer (3.5) 2012-2014 Replacement For Ford Expedition (5.4) 2011-2014 Replacement For Ford F-150 (3.5/3.7/5.0/6.2) 2011-2017 Replacement For Ford F-250 Super Duty (6.2/6.7… |
D**R
Works so far
Car started up and ran great. So far so good. We will see if it lasts. Can't been the price... Even if it was just to test if it fixed the problem.
I**C
Great
Works great on the mustang
R**R
14 Ford Expedition, NOT Plug and Play
For a 14 Ford Expedition, this is NOT "plug and play". This vehicle only uses 4 of the 6 wires, the outer wire on each side is not used. Also the color coding does not totally align; the yellow brown from the car goes to the purple black, the blue goes to the blue white, green to green orange, and purple gray to blue black. Other applications are probably different. Please be careful! (NO, I did not leave it like the picture, that is just to show the proper connections for my vehicle)
S**N
Easy installation
Works great. Easy to install and connect.
J**A
Good
Good
A**S
No. Do Not Buy!
Bought this sensor to replace the factory sensor and cure the MAF code that popped up. After installing, the code DID NOT resolve. Ended up going to AutoZone and paying twice as much for a part that works. Code resolved. Buyer beware: cheaper IS NOT better. Just buy a reputable part from a reputable vendor and save yourself the trouble. Pretty sure these are cleaned up sensors sold as new replacements. AGAIN, DO NOT BUY!
Trustpilot
1 month ago
5 days ago