Briggs & Stratton 491055S Spark Plug (OEM) Keep your engine starting easy and running smoothly with the genuine Briggs & Stratton 491055S spark plug. Designed for reliable ignition, this plug delivers consistent performance to keep your equipment running at its best. This sparkplug is equivalent to Champion RC12YC/XC12YC. ✔ Genuine OEM Briggs & Stratton part✔ Strong, consistent spark for reliable starting✔ Helps improve engine performance and efficiency✔ Durable design resists fouling and wear Fits a Wide Range of Small Engines This spark plug is commonly used in many types of small engines, including: Lawn tractors & riding mowers Zero-turn mowers Push mowers Generators Pressure washers (Always verify fitment using your engine model number for best results.) Why This Spark Plug Matters Your spark plug plays a critical role in engine performance by igniting the air/fuel mixture. Over time, spark plugs wear down or become fouled, leading to: Hard starting Rough running Loss of power Increased fuel consumption Replacing your spark plug helps restore smooth operation and reliable starting. What’s Included (1) Spark Plug — 491055S
