8X Ignition Coil Pack and Iridium Spark Plug

For Ford F-150 4.6L / 5.4L – DG508 SP479

Overview

Replace worn ignition coils and spark plugs in one go. This kit includes eight aftermarket DG508-style ignition coil packs plus eight high-performance iridium SP479 spark plugs – a complete ignition service kit designed as a direct-fit replacement for Ford F-150 trucks equipped with 4.6L or 5.4L engines.

Benefits

• Restores reliable spark and combustion
• Reduces misfires, rough idle and hesitation
• Improves throttle response and drivability
• Helps maintain fuel efficiency and lower emissions
• Iridium plugs offer longer life and more consistent spark than conventional plugs

What’s Included

• 8 × Ignition Coil Packs (DG508-style)
• 8 × Iridium Spark Plugs (SP479-style)
• (No installation hardware unless specified – see product page for exact package contents)

Features

• Direct-fit aftermarket replacement for OEM coil packs (DG508 fitment style)
• Premium iridium spark electrode for improved wear resistance and stable performance
• Durable construction to withstand under-hood heat and vibration
• Plug-and-play connectors – no modification required when matched to correct application

Compatibility

Designed for Ford F-150 trucks with 4.6L and 5.4L V8 engines. Vehicle fitment can vary by model year and engine code. Always verify fitment by comparing:

• Your current coil part number (DG508-style) and spark plug cross-reference (SP479)
• VIN or engine code with the vehicle’s OEM parts catalog or by contacting your mechanic

Installation Notes

• Recommended: replace all ignition coils and spark plugs as a set to ensure even performance.
• Verify plug gap and torque to manufacturer specifications before final installation.
• If your vehicle has diagnostic trouble codes (P030x, misfire codes), clear and recheck after installation.
• If unsure, have installation performed by a qualified technician.

Quality & Warranty

• Aftermarket replacement parts manufactured to meet or exceed common aftermarket standards.
• Check the seller page for any warranty, returns policy, or guarantee specific to this product.

Safety & Disclaimer

• Always disconnect the battery and allow the engine to cool before servicing ignition components.
• Follow OEM safety procedures and torque specs.
• This listing is for replacement parts only. Confirm compatibility before purchase – the seller is not responsible for incorrect fitment if part numbers or vehicle application are not verified.

Why Buy This Kit?

Buying coils and iridium plugs together saves time and ensures matched performance across all cylinders. Ideal for routine maintenance or when resolving misfires and ignition-related drivability issues in Ford F-150 4.6L / 5.4L trucks.

You might also be interested in these:

Set of 8 Ignition Coils DG508 for 2000-2004 Ford F-150 and Expedition 4.6L/5.4L

Set of 8 Ignition Coil DG508 and Spark Plugs for Ford Lincoln Mercury

Set of 4 Ignition Coils and Spark Plugs for 2007-2013 Nissan

Set of 8 OEM Ignition Coils UF413 with Iridium Spark Plugs and Wires for Chevy/GMC 5.3L and 6.2L