Name: R320LC-7 R320-7 Hydraulic Arm Cylinder for Hyundai Excavator Spare Parts 31Y1-19050 Aftermarket High Quality
Brand: GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED
SKU: R320LC-7 R320-7
Price: 475.00 USD
Availability: InStock

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R320LC-7 R320-7 Hydraulic Arm Cylinder for Hyundai Excavator Spare Parts 31Y1-19050 Aftermarket High Quality

Herkunftsort:

China

Markenname:

Belparts

Zertifizierung:

Modellnummer:

R320LC-7 R320-7

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R320LC-7 R320-7 Hydraulic Arm Cylinder for Hyundai Excavator Spare Parts 31Y1-19050 Aftermarket High Quality

Einzelheiten zum Produkt

Modell:

R320LC-7 R320-7

Produktname:

31Y1-19050

Teilename:

Hydraulischer Armzylinder

Anwendung:

Bagger

Zustand:

Neu

Qualität:

Sekundärmarkt-hohe Qualität

Garantie:

1 Jahr

Lieferung:

DHL FEDEX TNT EMS UPS / Ses / Luft

Emissionsgrenzwerte:

Stufe V

Zahlungs- und Versandbedingungen

Min Bestellmenge

1 STK

Preis

Verhandlungsfähig

Verpackung Informationen

Holzkistenverpackung

Lieferzeit

3-7 Tage

Zahlungsbedingungen

L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL

Versorgungsmaterial-Fähigkeit

100 Stück/Monate

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+86 19924616345

ron@belparts-china.com

86-020-32384870

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Produkt-Beschreibung

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Hydraulic Parts	Hydraulic Pump	Final Drive	Travel Reduction
Swing Motor	Swing Reduction	Control Valve	Gear Parts
Slew Bearing	Engine Assembly	Hydraulic Cylinder	ECU

Hyundai R320LC-7 Arm Hydraulic Cylinder | PN:31Y1-19050 | Premium Aftermarket Replacement

1. Basic Product Info

High-quality aftermarket stick/arm hydraulic cylinder, OEM part number 31Y1-19050, direct replacement for Hyundai ROBEX R320LC-7 / R320-7 32-ton crawler excavator. Controls arm stretching & retraction for heavy earthmoving, rock excavation, quarry and heavy construction jobs. Produced per original Hyundai drawing with identical pin spacing, mounting dimension and oil port layout for direct bolt-on installation without modification.

Item	Details
Product Name	Hydraulic Arm/Stick Cylinder
Fit Model	Hyundai R320LC-7, R320-7
OEM Part No.	31Y1-19050
Quality	Brand New Premium Aftermarket
Warranty	12 months against manufacturing defects
MOQ	1pc in stock for fast delivery
QC Standard	ISO9001 certified, full hydraulic pressure test before shipment

2. Core Technical Specs

Specification	Parameter
Bore Size	150mm
Piston Rod Diameter	110mm
Working Stroke	1765mm
Rated Working Pressure	34MPa
Factory Test Pressure	51MPa (1.5×working pressure)
Barrel Tube	25Mn seamless honed alloy steel, anti-deformation heat treatment
Piston Rod	40Cr tempered steel + 28~32μm hard chrome plating, surface HRC67~70 wear-resistant
Complete Seal Kit	Import PU+NBR seals, high temp & anti-aging
Working Temp	-25℃ ~ +85℃
Service Life	≥8000 working hours under heavy load
Structure	Double lug with quenched copper wear bushing

3. Product Advantages

1:1 OEM Interchange: Fully matches original 31Y1-19050 size, perfect fit R320LC-7 arm linkage and original hydraulic pipeline.
Heavy-Duty Reinforced Structure: Thickened lug base & strengthened cylinder barrel, anti-impact from rock collision in mining sites, avoid ear cracking & rod bending.
Strict Pre-delivery Inspection: Every cylinder passes leak test & full-stroke reciprocating cycle test to eliminate inner/outer oil leakage risk.
Cost Saving Solution|Same performance as genuine Hyundai spare part, save 40%-50% purchase cost for repair shop & spare parts wholesaler.
Flexible Shipment: In-stock items ship within 3 working days; air delivery 3~7 days, sea freight 30~40 days for bulk order.

4. Supplier Brief

We focus on Hyundai R-7 series excavator hydraulic cylinders over 12 years, full boom/arm/bucket cylinder range for R140LC-7, R320LC-7, R330LC-7, R370LC-7, products widely exported to Africa, Southeast Asia, Middle East construction spare parts market.

5. FAQ

Q1: Can this arm cylinder fit R320LC-5 model?

A: No, R320LC-5 uses different OEM part number with different mounting size, not interchangeable.

Q2: Can I buy matching seal kit separately?

A: Exclusive repair seal kit for 31Y1-19050 available separately with bundle discount, seals not pre-installed by default.

Q3: Anti-rust package for long sea transit?

A: Inner cylinder filled with anti-rust oil, piston rod coated anti-rust grease, wrapped waterproof PE film + solid export plywood case.

Q4: Discount for bulk order or full set (boom+arm+bucket cylinder)?

A: Tiered price discount for bulk purchase, combined shipment reduces total freight cost.

Q5: Warranty policy for oil leakage?

A: Provide clear leakage photos + excavator serial number, free replacement seal kit or remote installation guidance within warranty period.

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