The Kubota W21TSS3228 Spark Plug is an authentic OEM component designed for a wide range of Kubota diesel engines and machinery, including tractors, utility vehicles, and zero-turn mowers. This spark plug features an M10x1.00 thread, a total length of 65mm, a thread length of 20.5mm, and requires a 12mm wrench for installation. It ensures efficient combustion and consistent engine operation, maintaining the performance and longevity of your Kubota equipment.