8x Ignition Coil & -Spark Plug For 2009-2014 Ford Expedition Navigator 5.4L DG521

8pcs Ignition Coils + 8pcs Iridium Spark Plugs for Ford Expedition F-150 FD509

Compatibility

Specification

Condition

Brand New

Connector

2 Pins

Thread Diameter

M12×1.25-26.5mm

Built to strict quality control standards.

Ready to use, Direct Replacement.

100% Compatible with OEM Parts, meets Original Equipment Manufacturer (OEM) Standards

100% pure copper windings in bobbins improve durability ,thermoplastic housing withstands heat stress for enhanced durability

Silicone rubber boot withstands extreme heat to ensure superior insulation

Spark Plugs are using High-Performance Iridium metal, Much better than Nickel and Platinum

It's suggested that ignition coil and spark plug be replaced in a sychronized manner to lower the likelihood of common ignition system dysfunctions such as failure to start，engine vibration, misfiring, inadequate power, spark plug fouling and poor fuel economy

Package include

• 8Pcs Ignition Coils + 8Pcs Spark Plugs

Interchange Part Number

Ignition Coils

FD509, DG521, BSC1659,8L3Z-12029-A, C1659, DG 521, FD-509, 5C1716, 8L3Z12029A / 8L3Z-12029-A, GN10233, E509, 52-2071, IC697, 8L3Z-12029-A

Iridium Spark Plugs

SP509

Fitment

Compatible with Ford 2008-2010 F-150 V8 5.4L

Compatible with Ford 2008-2010 F-250 Super Duty V8 5.4L

Compatible with Ford 2008-2010 F-350 Super Duty V8 5.4L

Compatible with Lincoln 2008-2014 Navigator V8 5.4L

Compatible with Ford 2008-2014 Expedition V8 5.4L

How to Change Ignition Coils and Spark Plugs?

This product recommends professional installation.

1. Disconnect the old ignition coil and spark plugs

2. Disconnect your battery’s negative terminal

3. Locate the ignition coil and spark plugs to be replaced.

4. Release the clip on the plug running into the side of coil.

5. Use a wrench to unscrew the bolts holding the original coil in place

6. Extract original ignition coil and spark plugs from the engine bay

7. Swapping in the new ignition coil and spark plugs

8. Prior to installation, compare the new coil to the old one

9. Orient the new coil in the same direction

10. Insert the bolts to hold the coil in place

11. Activate the New ignition coil and spark plugs

12. Connect the plug into the side coil

13. Plug in ignition cables according to the order written on them.

14. Reconnect the battery

15. Start the vehicle to test the new ignition coil and spark plugs

Note

1. In preparation for the replacement, the vehicle should be turned off and cooled for a certain period of time before starting the replacement.

2. Pay attention to the cleanliness of the entire operation, must wipe the ignition coil around the dust and oil, if into the combustion chamber, will have serious adverse effects, try to wear gloves to operate.