• Ignition Coils & Spark Plugs for Ford F-150 F-250 F-350 Super Duty (1997-2004) 5.4L
  • Ignition Coils & Spark Plugs for Ford F-150 F-250 F-350 Super Duty (1997-2004) 5.4L
  • Ignition Coils & Spark Plugs for Ford F-150 F-250 F-350 Super Duty (1997-2004) 5.4L
  • Action Shot: Ford F-150, F-250, F-350 Driving Fast

Ignition Coils & Spark Plugs for Ford F-150 F-250 F-350 Super Duty (1997-2004) 5.4L

$129.95
$129.95
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High-Output Ignition Coils & Spark Plugs for 1997-2004 Ford F-150, F-250, F-350 (5.4L Triton V8)

What it Does: This performance ignition coil and spark plug kit replaces the factory coil-on-plug (COP) system to resolve common misfires, restore lost horsepower, and ensure a complete, efficient fuel burn under heavy loads.

The Stock F-150, F-250, F-350 COP Ignition Shortcomings

The factory Ford 2-valve 5.4L Modular engine is notorious for degrading coil-on-plug (COP) assemblies over time. Due to their location deep within the cylinder head valley, the OEM ignition coils are subjected to extreme heat soak and moisture intrusion. This repetitive thermal cycling causes the internal epoxy to crack, leading to voltage leaks, primary and secondary circuit failures, and eventual engine misfires. Furthermore, standard factory spark plugs erode rapidly under high-load towing conditions. This increases the spark gap, severely strains the ignition coils, and drastically reduces fuel efficiency, throttle response, and low-end torque during operation.

The Engineering Solution

This comprehensive ignition overhaul addresses these thermal and electrical vulnerabilities by utilizing upgraded internal copper windings and high-dielectric epoxy within the coils to resist heat-induced breakdown. The upgraded ignition coils feature superior silicone boots that form a watertight seal against the spark plug well, preventing the moisture ingress that frequently plagues the 5.4L Triton. Paired with 8 performance-grade spark plugs engineered for optimal thermal conductivity, this kit ensures a consistent, high-energy spark across the entire RPM range. This optimized combustion cycle directly translates to recovered torque, stabilized idle, and improved throttle response, which is especially critical during heavy towing, off-road driving, or hauling heavy payloads.

Technical Specifications

Fitment 1997-2004 Ford F-150, F-250, F-350 Super Duty
Engine / Chassis 5.4L Triton Modular V8 / PN-96, P225
Stock Output 235-260 hp / 330-350 lb-ft (Approx)
Part Number 26C1001, SKIC001, CFD503, 140032, C1417, 2-50006, 0221504704, 26326, GN10164, IC369, DG508, 346S, 4-517, 82423, 82425, 48688, U5182, 420001, C-500, C500M8, 88921369, 89057153, C566, F523, 140032-8, 140032B, 140032B-8, 140032K, 140032K-8, 50006, 36-8013, 30721, 30728, 5011, 2505-34733, IGC0113, E262, 7B3, C1139, C1417-8, C1417DLGKIT, V25-70-0028, 1L2U12029AA, 1L2Z12029AA, 1L2Z12029AC, 3W7Z12029AA, 8W7Z12029A, F7TU12A336CB, F7TZ12029AB, F7TZ12029BA, F7TZ12029CA, F7TZ12029CC, F7TZ12A366AB, C1417VC, 921-2005, 5C1127, 5C1412, IC369SB, FD503T, 60-1000, 673-6000, 52-1761, 1-50006, C1417SPEC, EBC1342

Compatibility

  • 1997-2004 Ford F-150 (5.4L V8)
  • 1997-2004 Ford F-250 Super Duty (5.4L V8)
  • 1997-2004 Ford F-350 Super Duty (5.4L V8)

The Ford Heavy-Duty Standard

Built for the demanding environments of work trucks and off-road rigs, these performance coils and plugs deliver the durability required for sustained towing and hauling, ensuring your Modular V8 runs reliably without misfire-induced check engine lights.

Engine Safety Rating
Difficulty 

Fitment

Make

Ford

Engine Size
  • 5.4L

Year
  • 1997
  • 1998
  • 1999
  • 2000
  • 2001
  • 2002
  • 2003
  • 2004

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]
Ignition Coils & Spark Plugs for Ford F-150 F-250 F-350 Super Duty (1997-2004) 5.4L

$129.95