404 Spark Plug

The Champion 404 Spark Plug is a copper plus resistor spark plug designed for reliable ignition in small engines and light-duty equipment. This spark plug is ideal for applications such as lawn and garden equipment, portable generators, and small pumps, ensuring consistent performance in various operating conditions.

Featuring a 14mm thread diameter and a 0.750-inch reach, the Champion 404 Spark Plug provides the precise fit required for effective cold starts and smooth operation. Its gasket seat design ensures a secure, leak-free seal, while the resistor core helps suppress electromagnetic interference, enhancing engine performance and protecting electronic components.

Users operating in dusty environments or at high altitudes will appreciate the spark plug's ability to maintain electrical system stability. The compact design fits standard spark plug sockets without modification, making it easy for equipment operators and field technicians to replace. This spark plug is a reliable choice for anyone needing OEM quality and correct thermal range in their small engine applications.