Ignition Coils & Spark Plugs for Ford E-150 E-250 E-350 (1997-2016) 5.4L

Reliable Ignition Coils & Spark Plugs for 1997-2016 Ford E-Series (Triton V8 / VN Platform)

What it Does: This complete 8-pack of ignition coils and performance spark plugs replaces failing OEM units to eliminate misfires, restore lost horsepower, and improve fuel efficiency under heavy loads.

The Stock E-Series Triton Ignition Weakness

The Ford 5.4L Triton V8 relies on a Coil-on-Plug (COP) architecture that is highly susceptible to heat soak and moisture intrusion. Over thousands of miles, thermal cycling inside the engine bay degrades the factory coil's internal epoxy and silicone boots. This degradation allows moisture to pool in the spark plug wells, leading to carbon tracking, voltage leaks, and the dreaded under-load misfire. As the spark energy weakens, the engine suffers from poor fuel burn, reduced torque output, and degraded towing capacity.

The Engineering Solution

Upgrading to this performance ignition set resolves the chronic Triton misfire issues through superior material construction. The replacement ignition coils utilize high-grade copper wire windings for enhanced voltage output, encased in a high-temperature thermal epoxy that resists heat degradation. The silicone boots are redesigned for a tighter, weather-resistant seal against the cylinder head, effectively keeping moisture out of the plug wells. Paired with 8 performance spark plugs designed for optimal heat dissipation and consistent spark delivery, this complete tune-up kit ensures a complete combustion event. The result is stabilized idle, restored horsepower, and reliable torque delivery essential for hauling.

Technical Specifications

Compatibility

• 1997-2014 Ford E-150 5.4L V8
• 1997-2014 Ford E-250 5.4L V8
• 1997-2016 Ford E-350 Super Duty 5.4L V8
• 1997-2002 Ford E-150 Econoline 5.4L V8
• 1997-2002 Ford E-250 Econoline 5.4L V8
• 1997-2002 Ford E-350 Econoline Club Wagon 5.4L V8

The Ford Workhorse Standard

Engineered to handle the grueling demands of fleet use, hauling, and towing, these ignition components deliver the heavy-duty durability your E-Series needs to stay on the road and out of the shop.