The Mercury NGK BUZHW Spark Plug, 2147, is a high-quality boat part made in the United States by the trusted brand Mercury. This new spark plug is designed to ensure optimal performance and durability for your boat. With a focus on safety, this product is also compliant with the California Prop 65 Warning regarding chemicals that may cause cancer or birth defects. Upgrade your boat's ignition system with this reliable and trustworthy spark plug for a smooth and efficient engine. Please see pics. NOS. Thanks for looking!