Briggs & Stratton BRAND, 4910555, PLUG-SPARK

The Briggs & Stratton 4910555 Spark Plug is a genuine replacement ignition component designed to deliver reliable starting, strong spark performance, and efficient fuel combustion in compatible Briggs & Stratton engines. Built to OEM standards, it helps ensure smooth engine operation, improved throttle response, and consistent power output across a range of working conditions. Ideal for routine maintenance and engine tune-ups, this spark plug helps reduce hard starting, misfires, and loss of performance caused by worn ignition parts. Suitable for use in selected lawn mowers, ride-on mowers, generators, pressure washers, and other outdoor power equipment, the 4910555 is engineered for durability, heat resistance, and long service life, ensuring dependable engine performance and efficient operation throughout the season.