Standard Construction Spark Plug

The Champion RN12YC is a versatile spark plug built with standard construction, suitable for a wide range of automotive, marine, and small engine applications. It boasts a 14mm thread diameter and a 19mm thread reach, ensuring compatibility with numerous engine designs. The spark plug is designed with a flat seat and a projected tip for optimal performance and durability. Key specifications include a 21mm hex size for easy installation and removal, and a removable terminal for added convenience. The RN12YC is rated with a heat range of 12, indicating its suitability for specific engine operating temperatures. The preset gap is set at 0.89mm (0.035 inches), which can be adjusted if necessary for optimal ignition. This spark plug is a direct replacement for many applications and cross-references with numerous other brands and part numbers, providing a comprehensive solution for ignition system maintenance. It is recommended to consult your owner's manual to confirm the correct part number for your specific application and to ensure proper installation.