Genuine Ford Motorcraft 220 Amp Alternator | 2011-2014 Ford F-150 3.5L EcoBoost 3.7L | BL3Z-10346-A | SWAG Performance Parts Replace a weak, failing, or damaged charging-system alternator with a Genuine Ford Motorcraft 220 Amp Alternator designed for select 2011–2014 Ford F-150 applications. This is the genuine Ford... MSRP: Was: Now: $433.33 View Options