Mass Air Flow Sensor Ford Focus Escort Escape Ranger Explorer 86-50011 Replacement
Key Features
- Direct replacement for OE# 86-50011
- Accurately measures incoming air for proper fuel delivery
- Helps restore engine performance and efficiency
- Eliminates rough idle, hesitation, and poor throttle response
- Plug-and-play installation
- Built for durability and long service life
Vehicle Compatibility
Fits a wide range of Ford models, including:
- Ford Focus → 2003–2004
- Ford Escort → 2003–2004
- Ford Escape → 2001–2004
- Ford Ranger → 2001–2003
- Ford Windstar → 1999–2003
- Ford E-150 → 2001–2004
- Ford E-250 → 2001–2004
- Ford Explorer → 1999–2005
(Also fits additional models—always confirm exact engine and part match.)
Interchange: 74-50011,86-50011, XF2Z12B579AB, XF2Z12B579BA, XF2F12B579BA, 1L2Z12B579BARM, 1L2Z12B579BA
Learn how to troubleshoot the Ford MAF in your vehicle using this guide here.
Note: Please clean out the air box and replace the air filter before installing this Mass Air Waft Sensor Meter, or the Code and Check Engine Light would possibly keep showing even supposing you replace a new MAF.
Performance Benefits
Replacing your MAF sensor restores:
- Smooth idle and stable RPM
- Proper air-to-fuel ratio
- Improved fuel economy
- Better throttle response
- Reduced engine hesitation
Your engine stops guessing—and starts working.
Quality: AdvanEX mass air Waft sensor is produced in strict accordance with the OE usual, made of first-class materials, easy to put in and clean, small air inlet resistance, High temperature molded PBT, assure long life and durability under harsh operating environments. precisely engineered, ensures highest fit and a hassle-free installation. Manufactured by digital board technology with laser trimmed circuits, ensures precise air Waft measurements.
Why This Matters
A failing MAF sensor can cause:
- Check engine light
- Poor acceleration
- Rough idle or stalling
- Increased fuel consumption
Fixing it is one of the easiest and most effective ways to bring your car back to life.
We can provide a one-year after-sale service,Should you encounter product cracking. Please contact us in time and we’ll work to unravel your issues. Please double-check your vehicle fitment before purchasing.
Installation
- Plug-and-play replacement
- Uses factory connectors
- Minimal tools required
If you can unplug something, you can install this.
Final Take
No horsepower gains. No flashy upgrades.
But your engine runs right again—and honestly, that’s the win.






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