This durable oil pressure sensor works great on all EC series excavators listed above. It keeps checking real-time engine oil pressure and sends out steady electronic signals all the time. It can pick up abnormal pressure issues early, so it offers solid protection for vital engine inner parts. It uses temperature-resistant materials along with trustworthy sealing design, so it stays stable during long hours of heavy work. Every unit is made following original factory standards. It features smooth installation, sensitive feedback and extended service cycle for daily field repair work.