Hitachi excavator oil pressure switch 8-98249723-0 oil pressure sensor Isuzu 6WG1 oil sensor

8-98249723-0 is a Hitachi excavator/Isuzu engine oil pressure switch used to monitor engine oil pressure. When the oil pressure is too low, it sends an alarm signal to the control system to protect the engine from damage caused by insufficient lubrication. Common Symptoms of Malfunctions: 1. The oil pressure warning light on the instrument panel is constantly on or off. 2. An oil pressure alarm immediately appears after the engine starts. 3. The actual oil pressure is normal but gives a false alarm. 4. Relevant oil pressure fault codes appear. 5. In severe cases, it may cause protective power reduction or shutdown of the engine. Damaged oil pressure switches can affect the engine protection function. It is recommended to replace them in a timely manner to avoid further damage caused by abnormal lubrication.