NGK Spark Plug Stock # 2115

The NGK Spark Plug Stock # 2115 (BPR5EIX-11) is an iridium-tipped spark plug engineered for reliable ignition in a wide range of small engines and equipment. Featuring NGK's Iridium IX technology, this 14mm threaded plug delivers consistent performance across temperature extremes and extended service intervals. The gasket seat design ensures reliable sealing in standard engine applications, making it a trusted replacement for OEM and aftermarket maintenance.

NGK's iridium spark plug technology provides superior durability compared to conventional copper electrodes. The 0.749-inch reach specification ensures proper positioning within your engine's combustion chamber for optimal spark timing. As a resistor-type plug, the BPR5EIX-11 is designed to suppress electromagnetic interference common in modern ignition systems. This combination of reach specification, electrode material, and resistor design means faster cold starts, cleaner combustion, and extended plug life in standard gasoline engines.

The NGK Iridium IX BPR5EIX-11 is ideal for equipment owners performing routine maintenance on lawn mowers, portable generators, marine outboards, motorcycles, and light-duty vehicles requiring a standard 14mm gasket-seat plug. NGK spark plugs for sale are available for direct replacement when your engine shows signs of harder starting, reduced fuel economy, or worn plugs. Stock # 2115 identifies this exact specification across NGK's catalog, simplifying ordering and ensuring compatibility with your equipment's factory specifications.