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31Q4‑40820 Pressure Sensor 100Bar for Hyundai R215‑7 R225‑9 Excavator

31Q4‑40820 Hyundai 100‑Bar pressure sensor is compatible with Hyundai R215‑7, R225‑7‑9 excavators. It detects hydraulic pressure and sends data to ECU to fix slow movement and engine‑lugging faults. It adopts imported chip with OEM 3‑pin plug‑and‑play design and factory

Product Name

Hyundai Excavator Low‑Pressure Sensor 100Bar

Part Number:31Q4‑40820

Applicable Models

Fit for Hyundai Excavator R130‑7, R150‑7, R215‑7, R220‑7, R225‑7, R225‑9, R305‑7‑9, installed on main control valve and hydraulic pump.

Technical Parameters

Measuring Range:0‑100 Bar (10MPa);
Original core is Danfoss MBS1250 series(063G1735), Made in England;
Connector:3‑pin OEM plug‑and‑play connector with standard hydraulic thread;
Function: It continuously feeds hydraulic pressure signal to excavator ECU to adjust oil flow. Failed sensor will result in weak operation, slow movement, engine lugging and fault codes.

Product Advantages

Imported sensing chip delivers precise reading, resistant to diesel corrosion and heavy vibration for construction‑site environment;
Thickened 3‑pin terminals prevent oxidation and poor‑contact issues;
Stainless‑steel threaded base avoids hydraulic‑oil leakage;
OEM replacement and aftermarket versions available, all items are pressure‑tested before delivery with 3‑12‑month warranty.

Installation Notes

Release system pressure before installation and clean dirt around thread;
Tighten with proper torque to avoid thread damage; secure the connector against water;
Clear fault codes after installation and test machine.

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