The NGK Coil-on-Plug boot for 2005–2008 Ford Expedition is a direct-replacement ignition boot that bridges the coil and spark plug to help prevent misfires and flashover when replacing spark plugs. It provides reliable OEM-style fit and ignition performance for heavy-duty daily use. Built from premium silicone and including internal springs and ferrite resistors, it limits EMI/RFI, meets or exceeds OE specs, and is backed by a limited lifetime warranty.
NGK Ford Expedition 2008-2005 Direct Ignition Coil Boot