LCWRGS Ignition Coils & Spark Plugs Kit for Ford 5.4L V8 — Set of 8, OE Fit & 24-Month Warranty

Complete set of eight LCWRGS DG508 ignition coils paired with SP479 spark plugs engineered to restore smooth firing for Ford 5.4L V8 engines.

This kit combines direct-fit ignition coils and matched spark plugs designed specifically for many Ford 5.4L V8 models from the late 1990s and 2000s. Each component follows OE-style dimensions and electrical performance targets, so installation is straightforward and no modifications are required. The package includes eight coil packs and eight plugs, plus a 24-month warranty and customer support from LCWRGS.

Will this set fit my Ford F150, F250, F350, Expedition, or E-Series van?

Compatibility is one of the strengths of this kit: it covers a wide range of Ford vehicles equipped with the 5.4L V8 across model years commonly associated with the 3W7Z-12029-AA family of parts. Always cross-check your vehicle’s year and engine code with the part numbers listed to confirm fitment before purchase.

• Fits 1997–2004 Ford Expedition 5.4L V8 (selected years listed)
• Fits 1998–2004 Ford F150, F250, F350 with 5.4L V8
• Fits 1998–2008 Ford E150, E250, E350 5.4L V8 vans
• Compatible with OEM reference numbers like 3W7Z-12029-AA and related DG/FD series

How do the LCWRGS coils and plugs improve engine performance?

The DG508 coils and SP479 plugs are built to meet or exceed OE electrical and mechanical standards so they deliver consistent spark energy and connection reliability. That improved ignition consistency can reduce misfires, smooth idle, and help restore throttle response under typical driving conditions.

• High-conductivity copper wire for reliable spark transfer
• High-dielectric epoxy to resist heat and vibration
• OE-style fit to maintain factory coil-to-plug alignment
• Set of eight ensures all cylinders are updated at once

What problems can replacing all coils and plugs address?

Worn coils and fouled or degraded plugs are frequent causes of rough idle, hesitation, and check-engine trouble codes related to misfires. Replacing both parts as a matched set helps eliminate multiple failure points and gives a fresh baseline for diagnosis if other issues persist.

• Helps correct intermittent or persistent misfires
• Can reduce rough idle and hard-start symptoms
• Aids in restoring consistent acceleration and fuel economy
• Clears ignition-related trouble codes when issues are resolved

How easy is installation and what’s included in the box?

Installation is designed to be plug-and-play for experienced DIYers and professional technicians alike; the coils use a direct OEM style connector and the plugs match factory reach and thread. The kit contains everything needed to replace ignition coils and plugs across all eight cylinders, plus warranty coverage and seller support.

• Includes 8 DG508 ignition coils and 8 SP479 spark plugs
• Direct OEM design, no vehicle modifications required
• 24-month warranty and LCWRGS customer support
• Common replacement part numbers listed for cross-reference

Who is this for? This LCWRGS DG508 & SP479 8-pack is intended for owners and technicians working on late-1990s to 2000s Ford 5.4L V8 trucks and vans who want a full ignition refresh in one purchase. If your vehicle exhibits misfires, hesitation, rough idle, or older ignition components that haven’t been replaced in many years, this kit offers matched components for a complete cylinder-by-cylinder renewal. For best results, verify vehicle compatibility with your VIN or factory service manual before ordering.