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CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

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CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

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Brand Name :YOUCHANG/ZHIPAN
Model Number :CAT E320B
Certification :UDEM
Place of Origin :GUANGDONG ,CHINA
MOQ :5 sets
Price :Negotiable price
Payment Terms :L/C,T/T,Western Union
Supply Ability :10000 pcs per week
Delivery Time :2-3 work days
Packaging Details :PP bag ,carton, pallet
Model :Cat E320B
Application :Arm hydraulic cylinder
Seal Type :Arm seal kit (full set)
Included Parts :Rod seal, piston seal, dust seal, wear ring, O-rings, backup rings
Material :PU , NBR , PTFE ,Phenolic resin
Working Pressure :Up to 35 MPa (350 bar)
Temperature Range :-35°C to +110°C (PU/NBR seals)
Feature :Oil-resistant, Heat resistant, Pressure resistant, Durable
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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

CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

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

CAT E320B Excavator Arm Seal Kit Hydraulic Cylinder Repair Seals Prevent Oil Leaks Extend Life

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

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