The NGK coil-on-plug ignition coil for 2002–2005 Mercury Mountaineer is a direct-fit replacement designed to match or exceed OE standards for dependable ignition. Developed in NGK's ISO 17025 accredited test lab and subjected to extreme testing, the coil's housing uses premium thermoplastic and high-quality epoxy for dielectric strength. Magnetic laminated steel in the core increases voltage output, delivering consistent spark under demanding conditions.
NGK 2005-02 Mercury Mountaineer COP Ignition Coil