CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life
Product Details
We company produce the specially designed for the arm hydraulic cylinder, this kit includes rod seals, piston seals, dust seals, wear rings, O-rings, and backup rings to replace worn or damaged components. Made from premium PU, NBR, and PTFE materials, it ensures excellent wear resistance, prevents hydraulic oil leakage, and restores full digging performance to your excavator. With a working pressure up to 35 MPa and a temperature range of -35°C to +110°C, these seals are durable and reliable under tough working conditions. Compatible with OEM standards, easy to install, and essential for efficient excavator maintenance and longer service life.
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 |
| Speed | ≤ 0.5 m/s |
| Hardness | About PU 93-95 Shore A; NBR 70-90 Shore A |
| Price | Wholesale price,Can be Negotiated |
| Brand name | ZhiPan |
| Color | Yellow, Black,Gray (depending on material and function) |
| About weight | 0.4 kg – 0.6 kg |
| Shape | Round |
| Size | Standard |
| Compatibility | Caterpillar E320B excavator arm cylinder |
| Function | Prevents hydraulic oil leakage |
| Installation | Easy installation, fits OEM standard grooves |
| Products available for | VOLVO, , KOMATSU, HITACHI, KATO, SUMITOMO, KOBELCO, DAEWOO/DOOSAN, HYUNDAI, CASE ,JCB, , SANY, LIUGONG, ZOOMLION |
| Other Seal Ki | 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. |
Product Advantage
* High sliding speed
* Low friction,free of stick-slip
* Simple groove design
* Long service life
* Very good sealing performance even with pressurespeaks
*High resistance to abrasion
*Increase clearance possible
Product Display
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
| Package: 1 set seal kit in one ppy bag (we have pp ,carton,iron bags and boxes as customer requirement) |
| Delivery Time:2-3 days |
| MOQ:5 sts |
| Shipment:by air/sea/express(DHL/FEDEX/TNT/UPS/EMS). |
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
Product Tags:
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CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life Images
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