NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK’s premium ignition products are manufactured to the highest durability and operational performance to meet OE standards. The Ignition Specialist™ full-line product offering includes: spark plugs, glow plugs, ignition coils, coil-on-plug boots and wire sets. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™ offering quality replacement parts for domestic and import vehicles.This Part Fits: Year Make Model Submodel 1997-2000 Ford Explorer Eddie Bauer 1997-2000 Ford Explorer Limited 2000 Ford Explorer Postal 1997-2000 Ford Explorer Sport 1997-1999 Ford Explorer XL 2000 Ford Explorer XL Fleet 1999-2000 Ford Explorer XLS 1997-2000 Ford Explorer XLT 2001 Ford Explorer Sport Base 2001 Ford Explorer Sport Trac Base 1998-2000 Mercury Mountaineer Base