The NGK Y709R is a genuine 11-volt glow plug, also known as a preheating plug, designed for reliable cold starting in various agricultural and industrial machinery. It features an M10x1.25 thread, an overall length of 95mm, a heating element length of 23mm, and requires a 12mm spanner for installation. This high-quality glow plug is an OEM equivalent for numerous Kubota, Yanmar, Iseki, Mitsubishi, Shibaura, and Mahindra models, ensuring optimal performance and durability.