Highlight:
Hitachi EX400 hydraulic cylinder seal kit
, excavator boom cylinder seals
, Hitachi excavator seal kit with warranty
Model: |
EX400 BOOM SEAL KIT |
Machine Type: |
Hydraulic Excavator |
Working Pressure: |
Up To 35 MPa（according Material) |
Temperature Range: |
-30~+120°C |
Feature: |
Oil-resistant, Heat Resistant, Pressure Resistant, Durable |
Material Composition: |
PU (Polyurethane), NBR (Nitrile Rubber), PTFE, Iron |
Kit Components: |
Dust Seal, Rod Seal, Buffer Ring, Wear Ring, O-Ring Etc. |
Application: |
Hydraulic Cylinder Excavators,Loaders,Wheeloader And Construction Works |
Hitachi EX400 Boom Cylinder Seal Kit for Hydraulic Excavators
Hitachi EX400 Boom Cylinder Seal Kit Heavy Duty Excavator Hydraulic Seals Repair Components
Product Details
The EX400 Boom Seal Kit is a high-quality hydraulic seal set specifically designed for the boom cylinder of the Hitachi EX400 excavator. This kit provides a reliable sealing solution that helps prevent internal and external hydraulic oil leakage, ensuring optimal performance of the boom lifting system even under extreme operating conditions.
Crafted with premium materials such as polyurethane (PU), nitrile rubber (NBR), and PTFE, the seal components are engineered to withstand high pressure, temperature variations, and heavy-duty wear during long-term use. The kit includes all essential sealing components, including dust seals, rod seals, piston seals, wear rings, buffer rings, and O-rings—providing a complete solution for boom cylinder maintenance and repair.
Additional:Items that are new, unused, unopened, undamaged and in original ZHIPAN packaging.
Product Parameters
| Product of Origin |
Guanzghou,China |
| Product of Shippment |
Guangzhou,China |
| Color |
Blue, Black, Yellow(may vary by material) |
| Price |
Wholesale price,Can be Negotiated |
| Brand name |
ZhiPan |
| Weight (Approx.) |
1.2 – 1.5 kg / set |
| Shape |
Round |
| Size |
Standard |
| Function |
Prevents hydraulic oil leakage |
| Installation |
Easy installation, fits OEM standard grooves |
| Price |
Factory Price |
| Certificate |
OEM/UDEM |
| Customization |
LOGO/PACKAGING Available |
| Installation |
Easy to install, no special tools required |
| Whether the Custom |
Accept Custom |
| Products available for |
VOLVO, , KOMATSU, HITACHI, KATO, SUMITOMO, KOBELCO, DAEWOO/DOOSAN, HYUNDAI, CASE ,JCB, , SANY, LIUGONG, ZOOMLION |
| Other Seal Kit |
We have aftermarket replacement seal kit for arm, boom, bucket hydraulic cylinder, center joint, pilot valve, gear pump, swing motor, travel motor, PPC, swivel joint, floating, track adjuster and control valve, also have O-ring box seal kit. |
Key Features
-
Compatible with Hitachi EX400 boom hydraulic cylinders
-
Designed to prevent fluid leakage and extend cylinder life
-
High resistance to wear, pressure, and temperature
-
OEM-quality fit and sealing performance
-
Easy to install and replace
-
Available for bulk or individual orders
Product Display
Export Experience & Testimonials
We’ve been exporting boom seal kits to over 40 countries, including the India, Thailand, Pakistan, Vietnam ,South Africa, Indonesia, and more.
Clients in heavy equipment service sectors have praised our sealing durability and fast delivery.
Used in the following applications:
| Komatsu |
PC45MR PC56-7 PC60-7 PC70-8 PC60-6 PC40-7 PC40-8 PC60-2 PC60-5 PC60-6 PC75 |
| PC100-5 PC120-6 PC150-5 PC130-7 PC200-3 PC200-6 PC200-8 PC210LC-8 PC220-8 |
| PC240LC-8 PC300-3 PC300-5 PC300-6 PC300-7 PC360-7 PC400-3 PC400-5 PC600-6 |
| Hitachi |
ZX60 ZX70 ZX100M-1 ZX120 EX60 EX60-2 EX60-3 EX60-7 EX100-1 EX120-5 EX120-6 |
| ZX200 ZX200-3 ZX230 ZX240 ZX240-3 EX200-1 EX200-2 EX200-3 EX200-5 EX200-6 |
| EX210-2 EX220-2 EX220-3 EX225-5 EX270 EX300-1 EX300-2 ZX330-3 ZX450H EX300-5 |
| |
312 315 302.5C 324D 320D 330 329D |
| E200B E240 320 320C |
| Hyundai |
R60-7 130 R200-5 R215-7 R225-9 R210W-7 R220-5 R250-7 R260-7 R290-3 R300-5 |
| R375-7 R305-7 R335-7 R300-3 R450 |
| Kobelco |
SK07 SK60 SK75 SK60-8 SK120 SK120-3 SK130 SK200-8 SK200-6 SK250-8 SK210-6 |
| SK220-1 SK230-6 SK250-6 SK200-8 SK210-8 SK300-3 SK330-6 |
| Doosan / Daewoo |
DH60-7 DH80-7 DH130 DH215-7 DH215-9 DH220-5 DH220-2 DH220-3 DH225-7 DH280-3 |
| DH150 DH300 DH330-3 DH300-5 DH420LC-7 DH300-7 |
| EC |
EC210BLC EC140BLC EC290B EC360B |
| 210 240 |
| Sumitomo |
SH120 SH75 SH100 S280 S280FA S280F2 S281 S340 S265F2 |
| SH200 SH200A3 |
| Kato |
HD550 HD450 HD800-7 HD400SEM HD700-2 HD700-5 HD700-7 HD800SD-5 HD900-7 |
| HD820-2 HD820 HD770-1 HD770-2 HD880-1 HD850 HD250 HD400 |
| Other brands |
CLG200 Sunward60 Sunward70 |
| XG820 |
Company Description
ZHIPAN oil seal Company supplies various brands and models of excavators supporting ARM, BOOM and BUCKET seal kits, crushing hammer, hydraulic pump, walking motor, rotary motor, center joint, rotary joint, joystick, expansion sealing kit.
Products available for: VOLVO, CATERPILLAR, KOMATSU, HITACHI, KATO, SUMITOMO, KOBELCO, DAEWOO/DOOSAN, HYUNDAI, CASE ,JCB, KUBOTA , SANY, Longgong,LIUGONG,XCMG, ZOOMLION and other imported or joint venture excavators
Material : phenolic fabric, PU, NBR, FKM, PTFE, POM ect
Components: cylinder seal kits typically include a variety of seals such as rod seals, piston seals, wiper seals, and O-rings.
Applications: These kits are tailored for hydraulic cylinders, providing a comprehensive set of seals to ensure optimal performance and longevity.
Specifications:
1. Seals you see in the picture is made in China, and the quality can be promised
2. Safe &carefully. Standard export carton package and sending port is up to your need and requirement, To send the goods as soon as we can to save you time .
3. Our hydraulic cylinder seal kits which are suit to Excavator for Komatsu, Kobelco,Hitachi, Sumitomo, Kato, Daewoo, Hyundai, Volvo,caterpillar.
Application Model
Shippment and Packing
Inner packing: bags ,carton,plastic,iron box.
Outer packing: Hard carton and green wear-resistant bag.
Shipping: DHL, FedEx, UPS, air freight, sea freight.
Delivery time: 3–7 days for stock items / 10–15 days for bulk
Why choose ZHIPANSEAL seal kit
1.Experience. We have been selling in the aftermarket for nearly 20 years, we know more about what kind of seal kits the machine needs under bad work conditions.
2.The accuracy of the dimensions.The same part number as the OEM, easy to query and purchase.
3.Price. We can beat all OEM parts in value,while as stated above the qulity of the parts will remain the same.
4.Lead Times. ZHIPANSEAL products have been exported for more than 17 years, and our extensive export experience can help you solve various transportation problems. We can ensure fast and efficient lead times across all ZHIPANSEAL Parts.
What is a Seal Kit?
A seal kit is a set of sealing components used to repair or maintain hydraulic or pneumatic cylinders in machinery. It typically includes various types of seals such as:
✅ Rod seals – prevent fluid leakage from the cylinder
✅ Piston seals – maintain pressure within the cylinder
✅ Dust seals / wipers – keep dirt and contaminants out
✅ Wear rings / guide rings – prevent metal-to-metal contact
✅ O-rings & backup rings – ensure tight sealing and support
FAQ
Q:May I have a trail order?
A: Of course! Trail order is necessary for new customers. MOQ is small.
Q:What's the time of delivery?
A: Basic item we can send 3-7 days since we have stock. Some small order we will send 10-20 days accordingly. Bulk orders we will deliver 20-40 days accordingly.
Q:Can we believe in you and your parts?
A:
1:Productive capacity
We own our seal factory. That means we can meet your quality well at a competitive price accordingly.
2.Product promise
1) Our delivery time will be just 10-15 working days
2) After-sales Service : Ensure to solve your problem and achieve better
3.Experience
Our company is a professional manufacture in the excavator seals and seal kit in china and has a good reputation all over the world.
Q: Quality of the products have a guarantee?
A: Please be assured, all products we sell would go through strict testing at the factory prior.
Q: Where is your stores located? How can I visit there?
A: Located in Guangzhou city, Guangdong Province, China.
Welcome to visit us! We accept customized according to your sample, welcome to your order.
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