Ignition Coil Pack Set of 8 DG508 Compatible with Ford 04-08 F-150

In this review the Ignition Coil Pack set of 8 DG508 is assessed for drivers who need a direct replacement for worn or failing coils on many Ford, Lincoln and Mercury 4.6L and 5.4L V8 engines. The bottom line: this kit is best for owners who confirm fitment using the year/make/model selector and compatible part numbers, because the coils are a curved-boot DG508 style that restore spark energy and often resolve misfire and rough idle problems.

Key Features

• Fitment guidance: A clear year/make/model selector and long list of interchangeable part numbers helps buyers confirm compatibility before purchase.
• Improved spark energy: The coils are rated to a maximum voltage of 26,000 V to deliver stronger spark and reduce misfire compared with degraded originals.
• Durable construction: Housings use GE Valox resin and professional high voltage dielectric resin to resist heat and electrical wear.
• Direct replacement: These coils are designed as direct replacements for DG508-style curved-boot coils, making installation straightforward for compatible vehicles.
• Measured resistance: Primary coil resistance of 0.660 ohms provides a concrete electrical spec for fit and performance expectations.

Who It's For

This set is aimed at DIY mechanics and professional technicians working on Ford F-150, Expedition, Lincoln and Mercury vehicles that use the DG508 style curved-boot coils. If your vehicle matches any of the provided reference part numbers and has curved boots, this kit can restore engine smoothness and prevent recurring misfire.

Customers with 2004 and newer F-150 vehicles that use the DG511 coils, or owners who have straight boot coils, should look elsewhere; this pack will not fit those DG511-specific 5.4L F-150 applications. Always verify fitment with the vehicle selector and part numbers before ordering.

Pros & Cons

Pros

• Restores reliable spark and often cures rough idling and misfire for compatible engines.
• High voltage rating and GE Valox resin suggest solid construction and heat resistance.
• Straightforward installation for direct replacement of DG508 curved-boot coils.
• Comes with detailed interchangeable part numbers to simplify compatibility checks.

Cons

• Some buyers report early failures within months, so long-term durability varies.
• Not compatible with DG511 coils used on certain 2004 and newer F-150 5.4L applications, so fitment must be double-checked.

Specifications

Coil Style	Coil pack, curved-boot DG508
Maximum Voltage	26,000 V
Primary Resistance	0.660 ohms
Material	Plastic GE Valox resin, high voltage dielectric resin
Vehicle Fit	Ford 4.6L and 5.4L V8; Lincoln and Mercury models listed
Reference Part Numbers	DG508 and multiple interchange numbers listed with product

Our Verdict

The DG508 8-coil pack is a practical, value-oriented replacement for owners who confirm compatibility and need to address misfire or rough idle. It offers measurable electrical specs and robust materials for many applications, but buyers should verify boots are curved and be aware that a minority of users report early failures.

Frequently Asked Questions

Will these coils fit my 2006 F-150 5.4L?
Check the vehicle selector and part numbers; if your 2006 F-150 uses DG508 curved-boot coils the set will fit, but 2004 and newer F-150s that require DG511 will not accept these.

How durable are these coils?
The coils use GE Valox resin and high voltage dielectric materials and are tested to 26,000 V; many users report good longevity, though some have reported failures within a few months.

Do these require special tools to install?
They are direct replacement coil packs for compatible engines and typically install with common hand tools, making them suitable for DIY installation or professional fitment.