The Kubota W21CKT3130 is an authentic OEM resistor spark plug specifically engineered for a wide range of Kubota engines and RTV utility vehicles. This high-quality spark plug features an M10x1.0 thread, a 19 mm reach, and a 16 mm hex size, ensuring precise fitment and optimal ignition performance. It is crucial for efficient combustion, reliable starting, and maintaining the overall health and longevity of your Kubota machinery.