CarBole Ignition Coil & Spark Plug Kit for Ford 5.4L V8 — 8-Coil + 8-Plug Direct-Fit Set

CarBole’s 8-coil and 8-spark-plug kit replaces worn ignition coils and SP-497 plugs for compatible Ford V8 engines, restoring reliable spark delivery and smoother running.

This complete ignition set is designed as a direct-fit replacement for many Ford vehicles from the late 1990s through the 2000s that use DG-series coils and SP-497-style spark plugs. The bundle pairs eight curved DG508-style coil packs with eight OEM-equivalent SP-497 spark plugs so you can change coils and plugs together, the recommended practice to reduce misfires and uneven performance. Each component meets common OEM fitment and function expectations and cross-references multiple factory part numbers for straightforward compatibility checks.

Which vehicles and engine applications does this CarBole kit fit?

This set targets Ford full-size trucks, SUVs, and vans with the specified 5.4L and related ignition systems produced around 1998–2008. Fitment is validated against a long list of model years and models so you can confirm compatibility by matching part numbers or engine type.

• Compatible models include Ford E-150, E-250, E-350, E-450 (1998–2008) and Econoline Super Duty (1998)
• Also fits 2000–2005 Ford Excursion, 1998–2004 Expedition, and certain F-Series trucks (F-150 5.4L, F-250/F-350/F-450/F-550 Super Duty years listed)
• Includes cross-references like DG508, DG457, DG472, DG491, F523, and factory numbers such as 3W7Z12029AA
• Check your vehicle’s engine code and original coil/plug part numbers before ordering

Why replace coils and plugs together instead of separately?

Replacing ignition coils and spark plugs at the same time helps prevent early failures and recurring drivability problems. Mixing old plugs with new coils (or vice versa) can hide underlying wear, allow fouling to return, or put extra electrical stress on the new component.

• Simultaneous replacement reduces risk of misfires, rough idle, and intermittent starting
• Ensures optimized gap, resistance, and spark energy across all cylinders
• Simplifies troubleshooting because new parts remove aging components from the equation
• Recommended when symptoms include vibration, poor acceleration, or decreased fuel economy

What exact parts are included and what OEM references do they match?

The package contains eight curved DG508-style ignition coils and eight SP-497 spark plugs — a full set for V8 ignition banks using this coil geometry. The coils cross-reference many OE part numbers so you can verify interchangeability with your vehicle’s original items.

• Included: 8 × DG508 curved coil packs and 8 × SP-497 spark plugs
• Coil cross-references: DG508, DG457, DG467, DG472, DG473, DG481, DG491, DQ50101, F523, and several factory numbers
• Spark plug OEM equivalents: SP-497, AGSF22WM, AGSF22WMF4, AWSF22E
• Manufactured to meet common OEM standards for fit and function

Who is this for? This CarBole ignition kit is for DIY mechanics and professional technicians working on late-1990s to mid-2000s Ford V8-powered trucks, vans, and SUVs that require DG-series coils and SP-497 plugs. If you are experiencing misfires, rough running, or want preventive maintenance on a known coil-and-plug application, this full 8-coil/8-plug set provides a convenient, vehicle-specific replacement solution that simplifies installation and restores consistent spark performance.