This is 206-60-51131 pilot & swing brake solenoid valve, DC24V, specially designed for Komatsu PC300-6, PC350-6 and other PC-6 series excavators. It integrates pilot safety lock and swing brake control functions, precisely switches hydraulic oil circuit to ensure flexible swing movement and reliable safety locking. Adopting high-strength valve body and oil-resistant sealing parts, it features waterproof, dustproof, leak-proof and anti-sticking performance. Easy to install and directly replace original parts, ideal replacement accessory for