The NGK ZFR5F Spark Plug is a premium OEM replacement plug designed to deliver consistent ignition, smooth operation, and long service life in small engines and outdoor power equipment. Engineered with NGK’s advanced resistor technology, the ZFR5F ensures reliable starts, efficient combustion, and improved fuel economy. Perfect for lawn tractors, mowers, pressure washers, generators, and other equipment, this spark plug is built to handle heat, vibration, and demanding conditions. Specifications & Details: Brand: NGK Model: ZFR5F Type: Resistor spark plug Application: Lawn tractors, generators, pressure washers, and outdoor power equipment Function: Provides reliable spark for efficient combustion Construction: High-quality design for durability and long-lasting performance Benefits: Consistent starts, smoother engine performance, fuel efficiency, and extended service life