UF631 UF639 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug with Wire Set Compatible with Ford 2010-2014 F150 Truck 2011-2017 F250 F350 Super Duty 2017 E350 Super Duty V8 6.2L Replace#DG526 DG525
【FITMENT】Compatible with Ford Vehicles: 2010-2014 F150 Truck V8 6.2L, 2011-2017 F250 Super Duty Truck V8 6.2L, 2011-2017 F350 Super Duty Truck V8 6.2L, 2017 E350 Super Duty
【OE PART NUMBER】Left Driver Side:DG526, AL3Z12029B,UF639. Right Passenger Side: DG525, AL3Z12029A,UF631
【ENHANCED ENGINE PERFORMANCE】Boosts fuel efficiency, acceleration, and throttle response by delivering stronger, more consistent spark
【DURABLE & LONG-LASTING】Built with high quality material for superior heat and vibration resistance; iridium spark plugs offer extended service life and maximum ignitability
【FUNCTION】Ensures balanced and powerful ignition across all cylinders, effectively eliminating engine misfires, rough idling, and jerking caused by weak sparks