A1 CARDONE 74-50033 mass air flow sensor for the 2003-2004 Ford Expedition V8 4.6L or 5.4L and other vehicles measures the air entering the engine and reports it to the engine control system. This remanufactured A1 CARDONE mass air flow sensor gives the engine computer the airflow reading it relies on.
- 100% re-soldering of critical components for secure electrical connections and longer product life
- Output curves tracked to spec tolerances for accurate feedback to the engine control management system
- On-car validation routines confirm each module meets its durability and performance requirements
- 100% testing on automated computer test equipment for full functionality
- Components rated to handle demanding temperature variations
Quick facts
- Part: A1 CARDONE 74-50033 mass air flow sensor
- Fits: 2003-2004 Ford Expedition V8 4.6L or 5.4L and other vehicles
- Condition: Remanufactured
A failing sensor can bring hesitation, stalling, poor fuel economy or poor engine performance. Before you replace the sensor, rule out other causes: with the engine off, look at the sensor element and housing for damage or a burnt smell, and have the diagnostic trouble codes read with a scanner. This listing is one sensor, and each engine takes one.
Fits
It is a direct-fit replacement for the 2003-2004 Ford Expedition V8 4.6L or 5.4L and the 2003-2004 Lincoln Navigator V8 5.4L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Connector: 1 rectangular male connector
- Terminals: 4 male pin terminals
- Mounting: bolt-on, 2 mounting holes
Build and materials
- Condition: Remanufactured
- Electronic components: circuit board
- Country of origin: Mexico
In the box
One mass air flow sensor and one instruction sheet. Mounting hardware, a mounting bracket and a wiring harness are not included, so plan on new mounting bolts rather than reusing the old ones.
Interchange: 3L7Z12B579AA · 3L7Z12B579AARM
This part cross-references / interchanges with the following part numbers:
3L7Z12B579AA, 3L7Z12B579AARM
Frequently Asked Questions
Is this the mass air flow sensor for the 2003-2004 Ford Expedition V8 4.6L or 5.4L?
Yes. A1 CARDONE 74-50033 fits the 2003-2004 Ford Expedition V8 4.6L or 5.4L, and it also fits the 2003-2004 Lincoln Navigator V8 5.4L.
Does this mass air flow sensor come with a wiring harness or mounting bracket?
No. The A1 CARDONE 74-50033 package holds the sensor and an instruction sheet. The wiring harness, mounting bracket and mounting hardware are not included.
How many pins does the connector on this mass air flow sensor have?
The sensor has one rectangular male connector with four male pin terminals.
What are the most common causes of mass air flow sensor problems?
Cracked circuit boards, burnt sensing elements, poor solder joints, deteriorated conformal coating or loose circuit board components.
Does this sensor interchange with 3L7Z12B579AA?
Yes. 3L7Z12B579AA and 3L7Z12B579AARM are the listed interchange numbers for this A1 CARDONE 74-50033 sensor.
