Ignition Coil and Spark Plug Set for Ford 5.4L/4.6L V8 - Set of 8

In this review the focus is on a combined set of eight ignition coils and iridium spark plugs designed for Ford 5.4L and 4.6L V8 engines. The bottom line: this package is for owners and DIY mechanics who need a full-bank replacement of coils and plugs at a competitive price, with the biggest reason to buy being convenience and direct fitment for a long list of Ford models. The review looks at fit, value, and a few real customer pain points to help decide if this kit meets maintenance needs.

Key Features

• Complete set: Includes eight ignition coils and eight iridium spark plugs so a full-bank service can be completed without additional ordering or part matching.
• Wide vehicle fitment: Explicitly listed for many Ford vehicles including E-150, E-250, E-350, Excursion, Expedition, F-150, F-250, F-350 and some Lincoln models for easy compatibility checks.
• OE replacement numbers: Replaces numerous dealer part numbers such as DG508 and related codes to simplify cross-referencing with factory parts.
• Spark plug compatibility: Supplied plugs match multiple OEM references (AGSF22WM and similar) intended for those Ford V8 engines to ensure proper gap and ignition performance.
• Warranty: The package includes a 12-month warranty which adds basic protection after purchase for typical installation concerns.

Who It's For

This kit is best for vehicle owners or mechanics who need to replace all coils and plugs at once on a 5.4L or compatible 4.6L Ford V8. It suits shop technicians and hands-on DIYers who prefer buying a matched set to avoid multiple part numbers and iterative troubleshooting.

Those who should look elsewhere are buyers unsure about exact plug type or fitment; several buyers have reported receiving incorrect plugs in some shipments, so anyone who needs guaranteed OEM-branded components or single-item certainty may prefer sourcing individual factory parts.

Pros & Cons

Pros

• Good value for a full set, reducing time spent ordering separate coils and plugs.
• Generally fits the listed Ford model years and engine sizes without modification.
• Convenient cross-reference to many dealer part numbers simplifies matching to existing parts.

Cons

• Quality impressions are mixed among customers; some report excellent function while others expect higher durability.
• Occasional reports of incorrect spark plug variants arriving mean buyers must verify plug type on delivery before installation.

Specifications

Brand	MAS
Contains	8 ignition coils and 8 iridium spark plugs
Engine fit	Ford 5.4L and compatible 4.6L V8
Compatible models	Ford E-Series, Excursion, Expedition, F-150/F-250/F-350, Lincoln Navigator, Explorer (listed years)
Replaces	Dealer part numbers including DG508, DG491 and related codes
Warranty	12-month warranty

Our Verdict

For those needing a full-bank replacement on Ford 5.4L or 4.6L V8 engines, this MAS coil and spark plug set is a practical, cost-effective solution that simplifies parts matching and reduces downtime. It represents solid value for routine maintenance, but buyers should confirm plug compatibility on arrival due to mixed reports about plug variants.

Frequently Asked Questions

Will these coils fit my 2003 F-150 5.4L?
They are listed for many 1998-2004 F-150 5.4L applications; verify your year and engine against the fitment list before purchasing.

Do the spark plugs require gap adjustment?
The iridium plugs are intended to match OEM references, but it is good practice to check gap before installation to ensure correct ignition performance.

What if I receive incorrect plugs?
Some customers reported wrong plug variants; if that happens, confirm part numbers on arrival and contact the seller for an exchange or warranty support within the 12-month period.