This NGK spark plug, part number 1637, is designed to provide optimal ignition performance for your vehicle. Engineered with quality materials, it ensures a strong spark for efficient combustion, contributing to smooth engine operation and fuel economy. NGK is a trusted name in ignition components, known for their durability and reliability. This spark plug is built to meet stringent manufacturing standards. Properly functioning spark plugs are crucial for starting your engine and maintaining its power output. Replace your old plugs with this NGK component for dependable performance.