Feature:1. [OEM NUMBER] The OEM number of this pressure sensor is 31Q4‑40800, with strong compatibility.2. [APPLICABLE MODEL] The sensor has a standard size and is suitable for R‑3 R‑5 R‑7 R‑9 excavator models.3. [HIGH ACCURACY] With high accuracy and sensitivity, which makes the operation is more precise and safe.4. [DURABLE MATERIAL] Made of excellent materials, with good corrosion and interference resistance performance.5. [REPLACEMENT PARTS] Can be used to replace damaged or old parts to maintain the best performance of the excavator.Specification:Item Type: Pressure SensorModel: TOSD-04-138BConventional Working Voltage: 24VOEM: 31Q4-40800Application: Suitable for R-3 R-5 R-7 R-9 Package List:1 x Pressure SensorNote:Please pay attention to electricity safety when using.