Glow Plug Reliable Cold Starting Performance for Kubota Engines - Sparex Part S.70508The Sparex S. 70508 Glow Plug delivers dependable pre heating performance for smooth and reliable starting of diesel engines, even in cold conditions. Designed to optimize combustion efficiency, it ensures reduced emissions and improved fuel economy across a range of compact tractors and agricultural machinery. Built with precision engineering, this glow plug features an overall length of 66. 1mm, a 19mm probe length, and a thread size of M10 x 1. 25.