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Thumbnail Filmstrip of 2003-2007 6.0L Powerstroke Mass Air Flow (MAF) Sensor Alliant AP63494 Images
The Alliant Power AP63494 is a new mass air flow (MAF) sensor for 2003–2007 Ford 6.0L Powerstroke applications. Alliant’s Mass Air Flow Sensor measures incoming air flow to provide feedback for engine fuel and air management.
Features & Benefits
- New Alliant Power Mass Air Flow (MAF) Sensor (Alliant P/N AP63494)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 3L3Z-12B579-AB / 3L3Z-12B579-ARM / 3L3Z12B579
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2003–2007)
- Ford Excursion (2003–2005)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Ford: 3L3Z12B579, 3L3Z-12B579-AB, 3L3Z-12B579-ARM
- Motorcraft: AFLS-130, ALFS-181-RM
- Delphi: AFLS181RM, AF10129
- Alliant Power: AP63494
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
A refundable core charge is added at checkout and refunded when your old mass air flow (maf) sensor is returned per our core terms.
The Alliant Power AP63494 is a new mass air flow (MAF) sensor for 2003–2007 Ford 6.0L Powerstroke applications. Alliant’s Mass Air Flow Sensor measures incoming air flow to provide feedback for engine fuel and air management.
Features & Benefits
New Alliant Power Mass Air Flow (MAF) Sensor (Alliant P/N AP63494)
Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
Direct replacement for 3L3Z-12B579-AB / 3L3Z-12B579-ARM / 3L3Z12B579
Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2003–2007)
Ford Excursion (2003–2005)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
Ford: 3L3Z12B579, 3L3Z-12B579-AB, 3L3Z-12B579-ARM
Motorcraft: AFLS-130, ALFS-181-RM
Delphi: AFLS181RM, AF10129
Alliant Power: AP63494
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
A refundable core charge is added[...]
The Alliant Power AP63494 is a new mass air flow (MAF) sensor for 2003–2007 Ford 6.0L Powerstroke applications. Alliant’s Mass Air Flow Sensor measures incoming air flow to provide feedback for engine fuel and air management.
Features & Benefits
- New Alliant Power Mass Air Flow (MAF) Sensor (Alliant P/N AP63494)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 3L3Z-12B579-AB / 3L3Z-12B579-ARM / 3L3Z12B579
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2003–2007)
- Ford Excursion (2003–2005)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Ford: 3L3Z12B579, 3L3Z-12B579-AB, 3L3Z-12B579-ARM
- Motorcraft: AFLS-130, ALFS-181-RM
- Delphi: AFLS181RM, AF10129
- Alliant Power: AP63494
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
A refundable core charge is added at checkout and refunded when your old mass air flow (maf) sensor is returned per our core terms.
Fits: 6.0 Powerstroke 2003-Early 2004 (8/18/2003 and before)
Fits: 6.0 Powerstroke 2005-2007