The McCormick 6669712A1 glow plug is a genuine OEM component designed for reliable cold-starting performance in McCormick agricultural machinery. This 11V glow plug features an M10x1.25 thread and an overall length of 85mm, ensuring precise fitment and optimal function. It is compatible with various McCormick C, CX, X4, X5, X6, and X7 series tractors, as well as select Case IH and New Holland models. This essential part helps maintain engine efficiency and extends battery life by facilitating quicker ignition in challenging conditions.