cciyu New Ignition Coil on Plug Pack For 04-08 Ford Expedition Explorer Mustang F150 F250 F350 F450 F550 Super Duty 4.6L 5.4L V8 6.8L V10 Lincoln Navigator Mercury Mountaineer DG511 FD508 5C1584 Superior quality part Ready to use, Direct Replacement Package included:1x DG511 Brand New ignition coil Built to strict quality control standards and 100% Factory tested Please carefully read the Compatibility to insure you are ordering in the correct ignition coil