- Perfect Replacement: The K6RTC spark plug serves as a reliable substitute for Champion RC12YC 2829 71-1711 and various models such as M78543, 12 132 02, 12 132 2-S, 12 132 01-S, 25 132 12-A, 25 132 12-S, and 24 132 01-S. - Broad Compatibility: This spark plug is compatible with multiple brands, including Ariens (21525900, 08811700, 21536800, 21534100, 21531100, 21537800), Gravely (21531100, 21534100, 21536366), MTD CC (759-3336), and Husqvarna (531308128). - Value Pack: Each package includes 10 spark plugs, providing you with ample replacements for your equipment, ensuring that you are always prepared for maintenance. - Enhanced Performance: Featuring copper core electrodes, the K6RTC spark plug effectively manages the heat range, ensuring optimal performance. Designed for reliability and durability, it simplifies installation and delivers a long service life. - Practical Applications: Ideal for lawn mowers, snow throwers, and garden equipment, the K6RTC spark plug is essential for maintaining engine performance and efficiency. This spark plug helps prevent misfires and ensures smooth operation, making it a must-have for both DIY enthusiasts and professional landscapers. - Easy Installation: The straightforward design allows for quick and hassle-free installation, enabling you to get back to work with minimal downtime.