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E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

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Guangzhou Zhipan Sealing Technology Co.,Ltd.

City: guangzhou

Country/Region:china

Tel:86--18620174972

Contact Person:
Mr.Eason View Contact Details

E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

Brand Name	YOUCHANG/ZHIPAN
Model Number	E320C-B Boom Seal Kit
Certification	UDEM
Place of Origin	GUANGDONG ,CHINA
Minimum Order Quantity	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	E320C-B Boom Seal Kit
Application	Hydraulic Cylinder Excavators,Loaders,Wheeloader and Construction works
Seal Type	Boom seal kit (full set)
Working Pressure	Up to 35 MPa（according material)
Temperature Range	-30~+120°C
Feature	Oil-resistant, Heat resistant, Pressure resistant, Durable
Material	PU , NBR , PTFE ,Phenolic resin and so on
Hardness	30 - 90 shores A
Speed	1.5m/s

Detailed Product Description

E320C-B Excavator Boom Cylinder Seal Kit Hydraulic Repair Parts for Caterpillar

Product Details

E320C-B Boom Seal Kit – Premium Hydraulic Cylinder Seal Set for Caterpillar Excavator

The E320C-B Boom Seal Kit is a high-performance hydraulic cylinder repair kit designed specifically for Caterpillar E320C-B excavators. This complete kit includes high-quality seals, wipers, o-rings, and wear rings to ensure reliable performance, leak prevention, and long service life in tough working environments.

Engineered to withstand high pressure, oil, heat, and heavy loads, the seal kit restores boom cylinder functionality and protects internal components from damage. It is manufactured with durable materials such as PU, PTFE, NBR, and fabric-reinforced rubber, meeting OEM or aftermarket standards.

E320C-B Boom Seal Kit – Product Parameters

Parameter	Details
Model	Caterpillar E320C-B
Application	Boom Cylinder (Main Arm Hydraulic Cylinder)
Seal Kit Type	Hydraulic Cylinder Seal Kit
Material Composition	PU (Polyurethane), NBR (Nitrile Rubber), PTFE (Teflon), Fabric Reinforced Rubber
Working Pressure	Up to 35 MPa
Temperature Range	-30°C to +120°C (-22°F to +248°F)
Function	Prevents internal/external leakage, reduces wear, maintains pressure
Structure Includes	Rod seals, piston seals, wear rings, buffer seals, dust seals, O-rings
OEM Part Compatibility	Compatible with Caterpillar OEM standards (exact part numbers vary)
Seal Color	Typically Blue, Green, Brown, or Black (depends on material & supplier)
Installation Position	Inside the hydraulic boom cylinder (front & rear ends)
Package Includes	Full seal kit for 1 boom cylinder
Weight (Approx.)	0.5–1.0 kg per kit

Key Features

High abrasion resistance for long-term use
Oil and heat resistant materials
OEM quality or high-grade aftermarket option
Easy to install, precise fit
Improves cylinder performance, reduces downtime

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
Hyundai	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
Kobelco	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
Doosan / Daewoo	DH150 DH300 DH330-3 DH300-5 DH420LC-7 DH300-7
EC	EC210BLC EC140BLC EC290B EC360B
EC	210 240
Sumitomo	SH120 SH75 SH100 S280 S280FA S280F2 S281 S340 S265F2
Sumitomo	SH200 SH200A3
Kato	HD550 HD450 HD800-7 HD400SEM HD700-2 HD700-5 HD700-7 HD800SD-5 HD900-7
Kato	HD820-2 HD820 HD770-1 HD770-2 HD880-1 HD850 HD250 HD400
Other brands	CLG200 Sunward60 Sunward70
Other brands	XG820
Tips	If you need custom-made seal kit,please contact us to get more information.Welcome

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

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?

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.

Service
2. We have advanced technology and 100% pre-delivery testing.
3. Fast delivery and competitive price.
4. The larger the quantity you order, the more favorable the price we can offer and the faster the delivery.
5. We have a professional team to provide you with professional services.
6. We can provide you with second-hand and new, OEM and high-quality parts made in China.

Product Tags: Caterpillar excavator hydraulic cylinder seal kit E320C-B boom seal kit Excavator hydraulic cylinder repair seals

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E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

E320C-B Excavator Boom Cylinder Seal Kit Hydraulic Repair Parts for Caterpillar

E320C-B Boom Seal Kit – Product Parameters

Key Features

Application Model

Shippment and Packing

Why choose ZHIPANSEAL seal kit

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:

FAQ

Hitachi EX110DY Boom Cylinder Seal Kit for Hydraulic Excavators

E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

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Hitachi ZAX200 Boom Cylinder Seal Kit for Excavator Hydraulic Repair

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E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

E320C-B Excavator Boom Cylinder Seal Kit Hydraulic Repair Parts for Caterpillar

E320C-B Boom Seal Kit – Product Parameters

Key Features

Application Model

Shippment and Packing

Why choose ZHIPANSEAL seal kit

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:

FAQ

Hitachi EX110DY Boom Cylinder Seal Kit for Hydraulic Excavators

E320C-B Boom Seal Kit for Caterpillar Excavator Hydraulic Cylinder

Doosan DX225LCA Boom Seal Kit for Excavator Hydraulic Cylinder Repair

Hitachi ZAX200 Boom Cylinder Seal Kit for Excavator Hydraulic Repair

CAT 320GC/GX Excavator Boom Cylinder Seal Kit 456-0197

Hitachi ZX200 Excavator Arm Seal Kit for Hydraulic Cylinder Repair

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: