225-4523 389-1041 For Cat E349 E345 Boom Cylinder Excavator
Hydraulic System
Product Description
Product Name | Hydraulic Boom Cylinder |
Model | E349 E345 345C 349C L,With Other Models |
Temperature Range | -30-100°C |
Part Number |
225-4523 389-1041 2254523 3891041 |
| Pressure Range | 21 MPa to 35 MPa |
| Dimensions | Customized |
OEM | Yes |
| Service Stage | Details |
| PreSales Service | Free consultation and technical advice. |
| Customization options for dimensions and performance based on
customer requirements. |
| InSales Service | Fast production and delivery times. |
| Real-time updates on manufacturing and shipment status. |
| AfterSales Service | Warranty on manufacturing defects. |
| Technical support for installation and maintenance. |
| Replacement parts available for longterm support. |
List Of Spare Parts
225-4523
| Pos. | Part No | Qty | Parts Name |
| 1 | 358-8524 | 1 | HEAD |
| 2 | 7Y-4669 | 1 | RING-BACKUP |
| 3 | 7Y-4695 | 1 | LOCKNUT (M80X2-THD) |
| 4 | 9X-3601 | 1 | SEAL AS |
| 5 | 324-6438 | 1 | SEAL-BUFFER |
| 6 | 188-4216 | 1 | PISTON |
| 7 | 188-4218 | 1 | RING |
| 8 | 242-6787 | 1 | ROD AS |
| 8A | 228-5617 | 1 | BUSHING |
| 9 | 315-4443 | 1 | CYLINDER AS-HYDRAULIC |
| 9A | 235-7770 | 1 | BUSHING |
| 10 | 7Y-4672 | 1 | RING-RETAINING |
| 11 | 133-6813 | 1 | SEAL-LIP TYPE |
| 12 | 188-4217 | 2 | RING |
| 13 | 095-1633 | 1 | SEAL-O-RING |
| 14 | 114-0760 | 1 | BUSHING |
| 15 | 324-6439 | 1 | SEAL-U-CUP |
| 16 | 7Y-4673 | 1 | RING-BACKUP |
| 17 | 7Y-5215 | 8 | BOLT-SOCKET HEAD (M24X3X90-MM) |
| AVAILABLE REPAIR KIT(S): | | REPAIR KIT |
| 376-4332 | | |
389-1041
| Pos. | Part No. | Qty | Part Name |
| 1 | 123-2112 | 1 | LOCKNUT-SPECIAL (M90X2-THD) |
| 2 | 191-3128 | 1 | RING-SEAL |
| 3 | 333-8687 | 1 | SEAL-BUFFER |
| 4 | 358-8527 | 1 | PISTON |
| 5 | 358-8528 | 1 | HEAD |
| 6 | 381-0454 | 1 | CYLINDER AS |
| 6A | 228-5620 | 1 | BUSHING |
| 7 | 389-1056 | 1 | ROD AS |
| 7A | 235-7527 | 1 | BUSHING |
| 8 | 389-1066 | 1 | STOP |
| 9 | 087-5550 | 1 | RING-BACKUP |
| 10 | 095-1635 | 1 | SEAL-O-RING |
| 11 | 114-0762 | 1 | BUSHING |
| 12 | 165-9291 | 1 | SEAL-LIP TYPE |
| 13 | 185-0230 | 2 | RING |
| 14 | 185-0231 | 1 | RING |
| 15 | 333-8688 | 1 | SEAL-U-CUP |
| 16 | 7Y-4941 | 1 | RING-BACKUP |
| 17 | 7Y-4944 | 1 | RING-RETAINING |
| 18 | 7Y-5239 | 8 | BOLT-SOCKET HEAD (M24X3X100-MM) |
| 19 | 506-2321 | 1 | SEAL AS |
| Available Repair Kit(s): | | Repair Kit |
| 518-5139 | | |
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.
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 |
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 |
Finished Product Warehouse Display
Exhibition Showcase
Our Presence at Major Exhibitions: 2023 Malaysia & 2024 Shanghai
Bauma
Exhibition With Cooperated Clients
Certificates
Certification
FAQ
1.How can I be sure the part will fit my excavator ?
2.What material do you use on hydraulic cylinder?
High frequency quenching No.40 manganese steel as rod material so
the cylinder rod has better bending resistance.
No.25 manganese steel as tube material ,so the tube has better wear
resistance,
High-strength hardened steel as rod head and tube head ,so the
cylinder head and rod head more durable.
Name-brand seal kits to reduce the hydraulic cylinder oil leakage
rate.
3.How long can an order delivery?
For some often used models of excavator hydraulic cylinder , we
have in stock, within 7 days .
For any order less than one container takes about 2 weeks to
finish; Order of 1-2 container takes 4 -6weeks.
At busy manufacturing season, manufacturing time needs more which
can confirm by discussion.
4.How to pay?
Order less than 3000USD, full payment at order, Order over USD3000
value ,50% deposited in to start,
50% balance paid to deliver,inspection service accepted.
For customized order, 70%payment as deposit ,30% balance paid to
deliver.
5.How to delivery?
If you have shipping agent ,we will cooperate with your agent to
arrange shipment .
If not , we have good relationships with shipping companies,
express suppliers.
For light goods ,by UPS/DHL/TNT(DAP terms) , For heavy goods ,by
sea (FOB,CIF,CFR)
Customer Reviews
