Introducing the TAKUMI Pre-Chamber Spark Plug S-R6A15, designed for MWM and Caterpillar TCG 2016 biogas engines. Crafted from high-quality iridium, it features a gasket seat, M18x1.5 thread, and offers superior performance with enhanced energy discharge and reduced electrode erosion. Enjoy a 12-month warranty with ISO 9001 and TS16949 certification. Optimize your engine’s efficiency and reliability today! Welcome to visit our website!