Marsram FD508 Ignition Coil Pack 8pcs

This ignition coil pack set targets owners working on late 2000s Ford, Lincoln and Mercury V8 and V10 engines, offering a straightforward replacement option for misfiring cylinders and weak starts. If you need a full bank swap or a direct match for broken coils, this kit covers many 2004 to 2008 applications and aims to restore steady spark and smoother idle. 🔧

Key takeaways

The Marsram FD508 kit brings a full set of ignition coils compatible with a range of Ford platforms, helping reduce rough running and lost power when coils fail. It fits multiple V8 and V10 engines across the F series, Mustang and Navigator lineups, and it arrives ready to install with materials rated to resist engine heat. If you prioritize a complete set for maintenance, this eight piece kit removes the guesswork, and if you prefer replacing coils only as needed you can still use single units from the set. 🚘

Technical overview

• Reference: Marsram FD508
• Compatibility: 2004-2008 Ford F150 5.4L, 2005-2008 Expedition 5.4L, 2006-2008 Explorer 4.6L, and related Lincoln and Mercury models
• Type: Ignition coil pack
• Material: Epoxy resin outer shell and high-strength engineering plastic
• What’s included: 8pcs ignition coils

What stands out

Built with a high-conductivity copper coil for faster ignition and an epoxy resin exterior to resist melting under high underhood temperatures, these coils aim to be durable in demanding conditions. The listing also notes compatibility with several OEM part numbers, which helps when cross-referencing for fit. A one year warranty is provided by the seller, according to the product notes, offering some short term coverage after installation. 🔩

Best use cases

Use this set when you need a full bank replacement after diagnosing multiple failing coils, or when performing preventive maintenance on older trucks and SUVs with higher mileage. It suits home mechanics and professional shops that prefer swapping all coils at once to ensure even performance across the engine. For single-coil failures you may decide to replace one at a time, but the set gives consistent parts across cylinders. ⚙️