The Komatsu 7870302120 Thyristor is an essential OEM electrical component designed for precise control in various Komatsu excavators and wheel loaders. This genuine part ensures reliable operation and seamless integration with models including PC200-8, PC220-8, PC270-8, PC300-8, PC350-8, PC400-8, PC450-8, PC490-8, WA380-6, WA430-6, WA470-6, WA480-6, WA500-6, and WA600-6. With a weight of 0.15 kg and dimensions of 95mm x 51mm x 30mm, it is engineered to meet Komatsu's stringent quality standards.