Air Cleaner Box Sensor Mass Air Flow Meter Sensor 3L3A12B579BA | Genuine Ford EcoSport BK / Fiesta WS / Fiesta WT

Genuine Ford Air Cleaner Box Sensor Mass Air Flow Meter Sensor, part number 3L3A12B579BA, for the EcoSport BK, Fiesta WS, Fiesta WT, Fiesta WZ with the 1.5L, 1.6L engine. Brand new, Genuine Ford, dispatched Australia-Wide.

About this part

This is a Genuine Ford sensor that plugs straight into the factory wiring and sends the right signal to the vehicle's computer.

When to replace it

• A warning light or a fault code pointing to this sensor.
• The system it reads behaving erratically.

Fitting tip

Confirm the fault with a scan tool before replacing. Clear the codes once fitted.

Part numbers

• Ford part number: 3L3A12B579BA
• Also written as: 3L3A-12B579-BA, 3L3A 12B579 BA
• Ford base part: 12B579

Vehicle fitment

• Ecosport BK 2013-On (From 15/04/2013-On
• 1.5L Duratec TI-VCT 110PS - Sigma
• Fiesta ST WZ 2013-On (From 08/08/2012-On
• 1.6L Zetec-S PFI VCT 115PS
• 1.6L Duratec TI-VCT 105PS-Sigma
• 1.6L Duratec TI-VCT 125PS FFV-Sigma
• 1.6L Duratec TI-VCT 123PS-Sigma
• 1.6L Duratec TI-VCT 85PS-Sigma
• Fiesta WS 2009-On (From 21/07/2008-22/12/2012
• All Zetec-S 1.6
• 1.6L Zetec-S PFI VCT 115PS
• 1.6L Zetec-S EFI TIVCT 134PS-Sigma
• Fiesta WT 2010-2013
• 1.6L TIVCT PFI Sigma
• Fiesta WZ MCA 2013-July 2014 (From 17/06/2013-On
• 1.5L Duratec TI-VCT 110PS-Sigma
• Fiesta WZ MCA August 2014-On (From 11/08/2014-On
• 1.5L Duratec TI-VCT 110PS-Sigma
• Focus LW 2011-On/Focus ST LW 2012-On (From 23/08/2010-21/07/2015
• All 1.6L Duratec TI-VCT - Sigma
• Focus LW MKII 2012-2015 (From 04/06/2012-On
• 1.6L Duratec TI-VCT 123PS-Sigma
• Focus ST & RS LZ 2015-On (From 23/08/2010-On
• All 1.6L Duratec TI-VCT - Sigma

Related parts

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• Tyre Pressure Monitoring System TPMS Sensor 433mhz EV6Z1A189K
• Side Air Bag Sensor ML3Z14B345A

Not sure it fits?

Send us your VIN or rego with your order and we will check it against Ford's catalogue before it ships.

Questions

Is 3L3A12B579BA a Genuine Ford part? Yes. This is Ford part number 3L3A12B579BA, brand new and genuine.

What does 3L3A12B579BA fit? EcoSport BK, Fiesta WS, Fiesta WT, Fiesta WZ, Focus LW. See the full fitment list above.

Is 3L3A-12B579-BA the same part? Yes. 3L3A-12B579-BA and 3L3A 12B579 BA are the same Ford part number written with spaces or dashes.