The NGK coil‑on‑plug boot for Ford Expedition (2008–2014) restores reliable coil‑to‑plug contact to prevent flashover and ignition problems. Manufactured from premium silicone and including internal springs and ferrite resistors, it suppresses RFI/EMI and meets OE fit and durability standards. Designed to be replaced with spark plugs; limited lifetime warranty applies.
NGK Ford Expedition 2014-2008 Direct Ignition Coil Boot