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4436536 Pressure Switch for Hitachi EX200‑5 EX220‑5 Excavator

4436536 Hitachi pressure switch fits EX200‑5, EX120‑5, EX220‑5 excavators. This mechanical on‑off sensor monitors pilot pressure to fix high idle‑speed problems, with imported element and OEM plug‑and‑play design.

Product Name

Pressure Switch for Hitachi Excavator

Part No.:4436536, Internal model:42CP11‑1 YQ22K10

Applicable Models

Fit for Hitachi Excavator EX200‑5, EX120‑5, EX220‑5, installed on pilot hydraulic circuit.

Technical Parameters

Type: Mechanical on‑off pressure switch with OEM 2‑pin plug and built‑in O‑ring seal;
Function: It closes or opens circuit at preset pressure and sends pilot‑state signal to excavator ECU. Defective part will result in high idle speed, automatic rev‑up and poor travelling power.

Product Advantages

Imported sensing component ensures accurate trigger‑point, resistant to hydraulic‑oil corrosion and long‑time vibration of construction‑site;
Metal hexagonal thread and anti‑aging sealing ring prevent oil‑leakage; anti‑oxidation pins guarantee stable connection with direct‑fit installation;
OEM original and aftermarket replacement options available. Each unit passes pressure‑testing before delivery with 3‑12‑month warranty.

Installation Notes

Release hydraulic‑system pressure and clean dirt around thread before installation;
Tighten with proper torque to avoid thread damage and fit connector tightly against dust and water;
Start‑up machine after installation and check idle‑speed and working performance.

中文参数	English Parameter
零件型号	Part Number:4436536(42CP11‑1 YQ22K10)
产品类型	Product Type:Mechanical Pilot Pressure Switch
适配设备	Applicable Equipment:Hitachi Excavator
适配机型	Fit Models:EX120‑5, EX200‑5, EX220‑5
插头类型	Connector:2‑pin OEM direct‑plug type
密封配件	Seal Parts:Built‑in O‑ring
核心元件	Core Component:Imported sensing element
质保期限	Warranty Period:3‑12 Months
安装方式	Installation:Direct replacement without rewiring