Set of 8 Ignition Coil DG508 & Spark Plug SP479 for Ford F-Series

In this review the Set of 8 Ignition Coil DG508 & Spark Plug SP479 is evaluated as a complete tune-up kit for older Ford V8 trucks and SUVs. It is aimed at owners of F-150, F-250, F-350, E-Series vans, Expedition, Mustang and similar models with 4.6L, 5.4L or 6.8L engines from roughly 1997 to 2012. The single biggest reason to buy is convenience: this kit contains all eight ignition coils and eight iridium spark plugs designed to match or improve on OE fit and performance, which makes it a practical direct-replacement option for vehicles suffering misfire, rough idle or reduced fuel economy.

Key Features

• Wide compatibility: Covers a broad range of Ford vehicles from 1997-2012 with 4.6L, 5.4L and 6.8L engines so owners of legacy F-Series and E-Series models can replace all cylinders at once.
• Complete 8-piece kit: Includes eight ignition coils and eight spark plugs to service an entire V8 ignition bank in one purchase, saving multiple orders and fitment headaches.
• Durable ignition coils: Coils use premium materials with a stainless-steel spring and internal noise suppressor to reduce radio frequency interference and improve high-voltage transfer.
• Iridium spark plugs: High-durability iridium electrodes are specified to deliver stable sparks for better cold starts, smoother acceleration and longer service life.
• OE cross-reference: Designed to replace OE numbers such as DG508 and SP479 and many cross numbers, easing identification and compatibility for common Ford parts.

Who It's For

This kit is best for DIY mechanics and professional technicians who maintain older Ford V8 trucks and full-size SUVs, particularly those experiencing misfires, rough idle or reduced power. Because it contains all eight coils and plugs, it suits owners who prefer to replace the whole bank to restore consistent firing across cylinders.

It is less appropriate for vehicles outside the stated engine families or later-model Ford engines that use different coil-on-plug designs. Buyers should verify exact vehicle application using the provided cross-reference image before purchase to avoid fitment issues.

Pros & Cons

Pros

• Complete eight-coil and eight-plug set simplifies a full-bank replacement and maintenance scheduling.
• Durable coil construction with noise suppression helps protect electronics and maintain reliable spark delivery.
• Iridium plugs are long-lasting and contribute to improved cold-start performance and fuel economy.

Cons

• Fitment is limited to specific Ford engine families and model years, so exact vehicle verification is required.
• As a direct-replacement aftermarket kit, appearance and finish may differ slightly from OEM parts though function is claimed to match or improve on OE design.

Specifications

Our Verdict

This set is a practical, cost-effective way to restore ignition performance on older Ford V8 trucks and full-size SUVs because it bundles all eight coils and plugs designed to match many OE references and improve cold-start and running smoothness. Owners who need a full-bank replacement and who confirm fitment with the vehicle cross-reference will find good value and straightforward installation from this kit.

Frequently Asked Questions

Will this kit fit my 2005 F-150 5.4L?
It is intended for 5.4L Ford engines in the 1997-2012 range, but buyers should confirm fitment using the listed part numbers and the product images before ordering.

Are the spark plugs iridium?
Yes, the included spark plugs are iridium type, specified for longer life and stable spark performance.

Does the kit include all items needed to replace an entire V8 ignition bank?
Yes, the kit contains eight ignition coils and eight spark plugs to service an entire V8 bank in one purchase.