NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services. NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Actual OE or equivalent replacement spark plug. CHRYSLER CROSSFIRE 2006-05; DODGE DAKOTA 2007-05; JEEP GRAND CHEROKEE 2004-02; MERCEDES-BENZ C230 2002, C32 AMG 2004-02, C55 AMG 2006-05, CL600 2002, CLK55 AMG 2006-03, S600 2002, SLK230 2004-01, SLK32 AMG 2004-02, SLK55 AMG 2011-05