The 5.4L Triton engine demands reliable ignition components to maintain smooth idle, strong acceleration, and consistent fuel economy. This guide highlights five coil pack and spark plug sets designed for 5.4L V8 applications—Ford Expedition, F-Series trucks, and Mercury/Lincoln variants. Each option emphasizes OE-like performance, ease of installation, and durable construction to withstand heat and vibration in demanding conditions. Read on to compare compatibility, build quality, and the features that matter most when choosing a replacement ignition kit for your 5.4 Triton.
| Product | Brand | Compatibility Note | Key Benefit |
|---|---|---|---|
| MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479 | MAS | 5.4L V8 range including Expedition, F-Series, Crown Victoria | OE-standard performance with heat-resistant boots |
| ENA Set of 8 Curved Boot Ignition Coil Pack | ENA | DG508 and related numbers for 4.6L/5.4L V8s | Engineered for original equipment replacement and reliability |
| Set of 8 DG508 Ignition Coils and SP479 Spark Plugs For 5.4 V8 | LCWRGS | 1998-2004 Ford Expedition/F-150/F-250/F-350 | Premium performance with highly conductive materials |
| Set of 8 Ignition Coil Packs & Spark Plugs For 5.4L V8 | BELKEBIR | 2004-2008 Ford Expedition, F-150, Super Duty | Powerful ignition with 15% more energy |
| ENA Set of 10 Ignition Coil Pack | ENA | Super Duty and 5.4L/4.6L V8 variants | Extensive fitment and compatibility guidance |
MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479

MAS emphasizes OE-standard performance with high heat resistance and durable boot design. The set includes eight ignition coils designed for the DG508 replacement and Motorcraft SP479 spark plugs. Compatibility notes urge buyers to verify fitment, as selection accuracy is essential to avoid misfire or startup issues. The coils are described as easy to install and built from high-grade materials to withstand heat stress in demanding 5.4L V8 environments. This option targets owners seeking straightforward compatibility with several Ford truck and SUV platforms from the late 1990s to early 2000s.
ENA Set of 8 Curved Boot Ignition Coil Pack

ENA presents eight ignition coils with curved boots designed to align with OEM patterns for 4.6L and 5.4L V8 engines. The features stress compatibility with original equipment, straightforward installation, and improved reliability. A lifetime warranty is listed, encouraging customers to confirm vehicle compatibility via their Amazon Garage. ENA’s emphasis on operation across the engine’s full speed range aims to protect against misfires and loss of performance under load, an important consideration for trucks and larger SUVs that carry heavy payloads or towing gear.
Set of 8 DG508 Ignition Coils and SP479 Spark Plugs For 5.4 V8

This LCWRGS bundle targets a wide window of 5.4L V8 models from the late 1990s and early 2000s. It highlights direct OEM design compatibility for coils and plugs, enabling relatively simple installation and alignment with the engine’s electrical expectations. The package emphasizes premium materials—highly conductive copper and high-dielectric epoxy—to sustain long service life and consistent ignition performance across driving conditions, from city commuting to highway towing.
Set of 8 Ignition Coil Packs & Spark Plugs Compatible With 5.4L V8

BELKEBIR’s kit includes eight ignition coils and matching spark plugs tailored for the 5.4L Triton family, covering Expedition, F-150, F-250, and Lincoln Navigator models of mid-to-late 2000s production. The listing stresses a straight black boot configuration and compatibility with several part numbers including DG511 and SP546. The claims focus on restoring acceleration, improving fuel economy, and reducing misfires—benefits that matter when towing or hauling heavy loads.
Bravex Ignition Coil Pack DG511 & Spark Plugs SP515 SP546

Bravex markets a performance-oriented option with 15% more energy than OE coils and a long teardown life. The bundle includes DG511 and SP546-class ignition components, along with compatibility across a range of 5.4L V8 Ford engines. The listing emphasizes high-energy output and reliable top-end performance, aiming at drivers who demand stronger ignition, improved throttle response, and steady idle under load conditions like towing or off-road use.
ENA Set of 10 Ignition Coil Pack

This ENA option provides a larger 10-coil bundle, suitable for vehicles with multiple ignition channels or when planning to replace multiple cylinders in one service. It lists extensive compatibility across Ford Crown Victoria, Expedition, Explorer, F-Series, and various Econoline and Super Duty configurations that include 5.4L V8 engines. The note to check the vehicle in the Amazon Garage underscores the importance of correct fitment for this broader kit, reinforcing the principle of precision matching to avoid incorrect parts.
Buying Guide: What To Consider When Replacing A 5.4 Triton Ignition System
- Vehicle compatibility: The 5.4L Triton family spans many model years and trims. Confirm your exact year, model, and engine subtype to avoid mismatches with coil boot type (straight vs curved) and plug threads.
- Boot style and boot color: Some engines require straight boots while others need curved versions. Boot color may hint at older production runs; verify with your vehicle’s original parts to ensure proper fitment.
- Coil-to-spark plug pairing: Some sets are sold as a combined coil and spark plug kit, while others require separate purchases. Check whether your vehicle needs a specific SP-series plug (e.g., SP479 or SP515) paired with DG508 or DG511 coils.
- OE-equivalent performance vs. performance upgrades: OE-style coils deliver dependable ignition under normal driving. Performance-oriented brands may offer higher energy output and longer life but at a different price point and wear profile. Decide if you prioritize reliability or a slight power bump for towing or modified engines.
- Warranty and compatibility support: Many brands include warranties and a vehicle compatibility check. Use the vehicle fitment tools in product listings or your Amazon Garage to avoid incorrect parts.
- Installation considerations: Replacement sets should advertise easy installation and clear torque/clip guidance. For engines with close-fitting ignition components, a well-sealed boot and robust epoxy insulation can prevent misfires and moisture intrusion.
- Buyer reviews and long-term performance: Look for feedback about cold starts, idle stability, and misfire reductions across multiple seasons. Real-world results help gauge durability beyond the initial installation.
- Cost vs. coverage: While premium bundles add cost, the extended service life and reduced maintenance can yield lower total ownership costs over several years, especially for fleet or high-mileage use.