E320B E320D Engine Proportional Excavator Solenoid Valve Replacement 1211491

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Compatible Equipment	E312B,E320B,E320C,E320D,E325B,E330B
Application	Excavator Swing Motor Hydraulic Control
Made In	China
Supply Ability	1000PCS/MONTH
Payment Terms	T/T
Sample Service	Single Sample Available
Packaging Details	Neutral Packing/Branded Packaging
OE Part Number	121-1491
Warranty	6 Months
Place of Origin	China
Model Number	E320B E320D
Brand Name	ZVEZDA

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Product Specification


Compatible Equipment	E312B,E320B,E320C,E320D,E325B,E330B	Application	Excavator Swing Motor Hydraulic Control
Made In	China	Supply Ability	1000PCS/MONTH
Payment Terms	T/T	Sample Service	Single Sample Available
Packaging Details	Neutral Packing/Branded Packaging	OE Part Number	121-1491
Warranty	6 Months	Place of Origin	China
Model Number	E320B E320D	Brand Name	ZVEZDA
High Light	SKY5 Excavator Solenoid Valve ，Excavator Solenoid Valve Replacement ，1211491

121-1491 Proportional Solenoid Valve Assembly OE 1211491 SKY5/G24-D Fit E320B E320D Excavator Hydraulic Solenoid OEM Replacement Parts

Precisely adjust swing hydraulic pressure, solve common faults: slow rotation, swing jitter, no swing action, unstable rotating speed.Integrated high-strength anti-rust alloy steel valve body with mirror ultra-precision internal flow channel grinding, multi-layer HNBR hydraulic oil & high temperature resistant sealing rings on plunger and flange mounting surface, fully sealed coil cavity to isolate hydraulic oil mist and muddy water infiltration.

Product Details

Specification	Details
Brand	ZVEZDA
Main OE No.	121-1491
Cross Reference OE	1211491, SKY5/G24-D
Product Type	24V Single Flange Pilot Safety Lock Proportional Solenoid Valve Assembly
Compatible Models	E320B, E320D Medium Excavator Pilot Hydraulic Manifold
Rated Voltage & Coil Resistance	24VDC, 12.6Ω±0.4Ω
Max System Working Pressure	0–25MPa
Control Signal	0–5V PWM Stepless Pilot Pressure Regulation Signal
Waterproof Grade	IP67
Origin	China
Delivery Time	1–7 Working Days After Payment
Warranty	6 Months Under Continuous Excavator Hydraulic System Working Condition
Packaging	Neutral Carton Packing, No Brand Logo
Supporting Accessories	Complete Solenoid Assembly + Yellow Waterproof Plug + Sealing O-Ring + Mounting Bolt Set
Sample Service	Single Sample Available With Pressure Regulation Stability Test Report

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No.	Question & Answer
Q1	Q: Which excavators fit ZVEZDA 121-1491 pilot proportional solenoid valve? A: Direct replacement for E320B / E320D excavator pilot manifold, interchange OE 1211491 / SKY5/G24-D, 24V standard voltage, single flange install without modifying valve block. In stock, ship within 1–7 working days.
Q2	Q: Joystick still unresponsive and slow operation after replacement? A: Aging coil or worn plunger leads to unstable pilot pressure, replace complete ZVEZDA integrated proportional valve to restore stable pilot oil pressure and normal machine operation.
Q3	Q: Can this pilot safety lock solenoid replace main pump flow proportional valve or engine fuel shutoff solenoid? A: Not interchangeable. This pilot proportional valve adjusts low-pressure pilot oil; main pump valve controls high-pressure pump displacement, fuel solenoid cuts diesel supply, different working medium, pressure grade and control logic.
Q4	Q: Core advantages of ZVEZDA 121-1491 proportional solenoid valve assembly? A: H-grade high temp pure copper uniform winding coil, precision multi-orifice alloy plunger, linear stable pilot pressure regulation, multi-layer HNBR IP67 waterproof sealing, OEM standard single flange size direct bolt replacement, neutral unbranded packaging, perfectly match E320B/E320D excavator pilot hydraulic safety lock system.

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Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi... Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi...

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Guangzhou Qichao Machinery Parts Co., Ltd.
825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
https://www.excavatorsolenoid.com/

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