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Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts
Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts
Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts
Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts
Specifications
Brand Name :
Glparts
Model Number :
R290LC-7
Certification :
ISO9001
Place of Origin :
Made In China
MOQ :
1
Price :
Negotiation
Payment Terms :
T/T,Western Union,MoneyGram
Supply Ability :
2000pieces/month
Delivery Time :
7 Days
Packaging Details :
Wooden Case
Product Name :
Hyundai Excavator Parts
Product Alias :
Excavator Hydraulic Cylinder
Part Number :
31N8-50138 31N8-50130
Surface Treatment :
Piston Rod hard chromium plating Cylinder Tube ，Inner Honed
Seal Brand :
For Japan NOK and US SKF
Seal Material :
PU
Testing :
100% Pressure Testing Before Delivery
Factory Direct Supply :
Yes
Description

Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts


Product Description


Product Name

Excavator Hydraulic Bucket Cylinder

Model

R290LC-9

Temperature Range

-30-100°C

Part Number


31N8-50138 31N8-50130
Pressure Range 21 MPa to 35 MPa
Dimensions Customized

OEM

Yes



List Of Spare Parts

31N8-50138

Pos. Part No Part Name Comments
* 31N8-50137 ARM CYLINDER ASSY
* 31N8-50138 ARM CYLINDER ASSY
* 31N8-52137 ARM CYLINDER ASSY SAFETY LOCK
N*-1 31Y1-14906 ARM CYL SUB ASSY WITHOUT PIPE
N*-1 31Y1-14907 ARM CYL SUB ASSY WITHOUT PIPE
1 31Y1-14916 TUBE ASSY
2 31Y1-14965 ROD ASSY
2 31Y1-14966 ROD ASSY
N2-1 @ SPEAR-CUSHION
N2-2 @ VALVE-CHECK
N2-3 @ SPRING-COIL
N2-4 @ RING-STOP
N3 31Y1-14995 GLAND
4 S732-110045 BUSHING-DD2
5 Y191-117000 RING-SNAP
K6 Y220-110011 SEAL-ROD
K7 Y180-110020 RING-BACK UP
K8 Y240-110013 RING-BUFFER
K9 Y110-110011 WIPER-DUST
10 Y190-126000 RING-SNAP
K11 S631-140004 O-RING
K11 31YC-99H70 O-RING
K12 31YC-BP140 RING-BACK UP
K12 31YC-CP140 RING-BACK UP
13 31YC-26100 RING-CUSHION
14 31Y1-15005 PISTON
14 31Y1-15006 PISTON
K15 Y420-150000 SEAL-PISTON
K16 Y310-150003 RING-WEAR
K17 Y440-150002 RING-DUST
K18 S632-085004 O-RING
K19 S642-085003 RING-BACK UP
K19 31YC-CG085 RING-BACK UP
20 31YC-64070 NUT-LOCK
20 31YC-68060 NUT-LOCK
22 S114-100164 SCREW-SET
23 S109-200904 BOLT-SOCKET
24 31YC-11161 BUSHING-PIN
25 Y000-090000 SEAL-DUST
26 31YC-2A070 VALVE-CHECK
27 31YC-99071 SPRING-COIL
K27 S631-014004 O-RING
28 P220-110103 PLUG-HEX,HEAD
29 31Y1-15015 BAND ASSY-R
29-1 31Y1-15050 BAND SUB ASSY
29-2 31YC-31420 BAND
29-3 S015-120452 BOLT-HEX
29-4 S411-120002 WASHER-SPRING
29-5 31YC-37040 CLAMP-PIPE
29-6 S015-120402 BOLT-HEX
29-7 S411-120002 WASHER-SPRING
30 31Y1-21926 BAND ASSY-B
30-1 31Y1-21935 BAND SUB ASSY
30-2 31YC-32280 BAND
30-3 S015-120452 BOLT-HEX
30-4 S411-120002 WASHER-SPRING
30-5 S071-023430 U-BOLT
30-6 S201-101002 NUT-HEX
30-7 S411-100002 WASHER-SPRING
31 31Y1-15026 PIPE ASSY-R
K33 Y171-024004 O-RING
34 S107-120554 BOLT-SOCKET
K37 S632-145001 O-RING
K 31Y1-15046 SEAL KIT STD, SEE ILLUST
K 31Y1-15047 SEAL KIT STD, SEE ILLUST
K 31Y1-18256 SEAL KIT SEE 3540
K 31Y1-18257 SEAL KIT
N @ NOT INDIVIDUALLY SUPPLIED

Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

31N8-50130

Pos. Part No Qty Part Name Comments
* 31N8-50130 1 ARM CYLINDER
* 31N8-52130 1 ARM CYLINDER ASSY SAFETY LOCK
*-1 31Y1-14900 1 ARM CYLINDER SUB WITHOUT PIPE
1 31Y1-14910 1 TUBE ASSY
2 31Y1-14960 1 ROD ASSY
N20 @ 1 SPEAR-CUSHION
N21 @ 1 VALVE-CHECK
N22 @ 1 SPRING-COIL
N23 @ 1 RING-STOP
N3 31Y1-14990 1 GLAND
4 S732-110045 1 BUSHING-DD2
5 Y191-117000 1 RING-SNAP
K6 Y220-110011 1 SEAL-ROD
K7 Y180-110020 1 RING-BACK UP
K8 Y240-110013 1 RING-BUFFER
K9 Y110-110011 1 WIPER-DUST
10 Y190-126000 1 RING-SNAP
K11 S631-140004 1 O-RING
K12 S641-140003 1 RING-BACK UP
13 31YC-23050 1 RING-CUSHION
14 31Y1-15000 1 PISTON
K15 S632-095004 1 O-RING
K16 S642-095003 2 RING-BACK UP
K17 Y420-150000 1 SEAL-PISTON
K18 Y310-150003 2 RING-WEAR
K19 Y440-150002 2 RING-DUST
24 31YC-66080 1 WASHER-LOCK
24 31YC-66081 1 WASHER-LOCK
25 31YC-61142 1 NUT-LOCK
25 31YC-61143 1 NUT-LOCK
26 S109-200904 12 BOLT-SOCKET
33 31YC-11161 2 BUSHING-PIN
34 Y000-090000 4 SEAL-DUST
27 31Y1-15010 2 BAND ASSY
27 31Y1-15010 1 BAND ASSY
27-1 31Y1-15050 1 BAND SUB ASSY
27-2 31YC-31420 1 BAND
27-3 S015-120452 2 BOLT-HEX
27-4 S411-120002 2 WASHER-SPRING
27-5 31YC-37040 1 CLAMP-PIPE
27-6 S015-120402 2 BOLT-HEX
27-7 S411-120002 2 WASHER-SPRING
28 31Y1-15020 1 PIPE ASSY-R
29 31Y1-15030 1 PIPE ASSY-B
K30 Y171-024004 2 O-RING
31 S107-120554 4 BOLT-SOCKET
32 S107-100554 4 BOLT-SOCKET
35 31Y1-21920 1 BAND ASSY-B
35-1 31Y1-21930 1 BAND SUB ASSY
35-2 31YC-32240 1 BAND
35-3 S015-120452 1 BOLT-HEX
35-4 S411-120002 1 WASHER-SPRING
35-5 S071-023430 2 U-BOLT
35-6 S201-101002 4 NUT-HEX
35-7 S411-100002 4 WASHER-SPRING
K 31Y1-15040 1 SEAL KIT STD, SEE ILLUST
K 31Y1-18250 1 SEAL KIT SEE 3540
N @ 1 @

Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

*Note:Suitable for different models. Please contact us for the specific part number,part number information is being updated


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Company Information


GuangZhou GuoLi Engineering Machinery Co., Ltd., with over 16 years of experience in excavator hydraulic cylinders, is a foreign trade company specializing in a wide range of products, including crawler excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, cylinder rods, custom hydraulic cylinders, seal kits, hydraulic pumps, and electric parts, all designed for various excavator models. Our products have been exported to over 100 countries and regions worldwide.


Factory Tour

Our main product, excavator cylinders, is produced through a complete hydraulic cylinder production line, from design to manufacturing. With over ten years of experience, we’ve upgraded our offerings to multi-stage hydraulic cylinders. We focus on cylinder customization and produce a variety of domestic and imported excavator cylinders. Using advanced CNC lathes, grinders, and assembly equipment, we strictly follow ISO quality standards throughout production.

Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

Piston Rod Production Process


Feature Description
Material Tempered steel
Surface Treatment Induction hardened before chrome plating to prevent bending and scratching
Rust Resistance Resists rust for over 100 hours in salt spray tests
Production Process Produced and electroplated in-house
Finish Mirror finish technology


Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

Automatic Welding Process


Feature Description
Welding Method Fully automated welding for consistency and integrity
Craftsmanship Lean welding craft ensures strong joint strength and eliminates defects
Weld Seam Quality Weld seam matches the appearance of original parts
Durability Welded parts are not easy to fall off


Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

Finished Product Warehouse Display


Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts


Exhibition Showcase


Our Presence at Major Exhibitions: 2023 Malaysia & 2024 Shanghai Bauma

Exhibition With Cooperated Clients


Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts



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Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

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Product Detail
Brand Name :
Glparts
Model Number :
R290LC-7
Certification :
ISO9001
Place of Origin :
Made In China
MOQ :
1
Price :
Negotiation
Contact Supplier
video
Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts
Hyundai R290LC-7 Arm Cylinder 31N8-50138 31N8-50130 Excavator Hydraulic Parts

Guangzhou Guoli Engineering Machinery Co., Ltd.

Verified Supplier
1 Years
guangxi, guangzhou
Since 2004
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Excavator Hydraulic Cylinder, Arm Cylinder, Boom Cylinder
Total Annual :
3000000-6000000
Employee Number :
200~300
Certification Level :
Verified Supplier
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