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7861‑93‑1840 Low‑Pressure Sensor for Komatsu PC200‑8 PC220‑8 Excavator

7861‑93‑1840 Komatsu low‑pressure sensor fits PC200‑8, PC210‑8, PC220‑8, PC240‑8 excavators. It monitors pilot pressure and sends signals to ECU to fix slow‑response issues. Imported core with OEM plug‑and‑play design and factory‑calibration.

Product Name

Komatsu Excavator Low‑Pressure Sensor

Part No.:7861‑93‑1840, Internal model:42CP2‑8

Applicable Models

Fit for Komatsu PC200‑8, PC210‑8, PC220‑8, PC240‑8 , PC300-8 excavators, installed on pilot hydraulic circuit.

Technical Parameters

Function Range: Low‑pressure type for pilot system pressure monitoring;
Connector:4‑pin OEM plug‑and‑play connector, thread with built‑in O‑ring seal;
Working Principle: It detects real‑time pilot pressure and transmits signals to excavator controller to adjust valve response. Defective sensor will cause slow operation, offset movement and fault codes.

Product Advantages

High‑precision imported sensor core delivers stable readings, resistant to hydraulic‑oil corrosion and vibration on construction sites;
OEM‑style 4‑pin terminals are anti‑oxidation; metal threaded base with sealing ring prevents oil leakage;
Original OEM and aftermarket replacement available. Every unit passes pressure‑calibration test before delivery with 3‑12‑month warranty.

Installation Notes

Release residual hydraulic pressure and clean dirt around the thread before installation;
Tighten with standard torque to avoid thread damage; connect the plug tightly and keep waterproof;
Clear fault codes after installation and test‑run the excavator.

中文参数	English Parameter
零件型号	Part Number:7861‑93‑1840，42CP2‑8
产品类型	Product Type:Pilot Low‑Pressure Sensor
适配设备	Applicable Equipment:Komatsu Excavator
适配机型	Fit Models:PC200‑8,PC210‑8,PC220‑8,PC240‑8
插头类型	Connector:4‑pin OEM direct‑plug type
密封配件	Seal Parts:Built‑in O‑ring
核心部件	Core Component:Imported sensing core
质保期限	Warranty Period:3‑12 Months
安装方式	Installation:Direct replacement without rewiring