PRODUCTS DETAILS

Home > Products >

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Products

Excavator Parts

YKSEAL1118@gmail.com

+86 18680283811

Contact Now

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

MOQ:	1 Set
Price:	$29.85 -$32.83 / Se
Standard Packaging:	Original WYS Carton Box (1 EA/Box)
Delivery Period:	5-8 work days
Payment Method:	L/C,D/A,D/P,T/T
Supply Capacity:	10,000 Sets / Month

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin

South Korea

Brand Name

WYS (Wonyoung Seal Corp.)

Certification

ISO9001 / CE / RoHS

Model Number

PC500LC-10R

Part Number:

721-98-04000

Part Name:

Arm Seal Kit / Hydraulic Cylinder Repair Kit

Material:

Heat-resistance & Low-friction Material

Applicatior:

Excavator Arm Hydraulic Cylinder

Condition:

100% New Genuine

Contain:

HBY,IDI,BRT,DKB,OR,T3,SPGW,WR,OR

Model:

PC500LC-10R

Product Description

Komatsu Arm Seal Kit 721-98-04000 Hydraulic Cylinder Kit

Product Overview

Upgrade your excavator's performance with the original WYS Arm Seal Kit (Part No. 721-98-04000). Manufactured by Wonyoung Seal Corp. in South Korea, this "Korea Masterpiece" delivers superior sealing technology, ensuring maximum durability and efficiency for your heavy machinery's hydraulic system.

Compatible Models & Applications

To ensure perfect fitment, please verify your machine model. This arm cylinder seal kit is fully compatible with the following equipment:

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Excavator Models: Komatsu PC500LC-10R, Komatsu PC500LC-10M0
Engine Model: Komatsu SAA6D125E-5

Key Features & Advantages

Based on WYS's advanced engineering, this superior seal kit offers outstanding benefits:

OEM Supplying Seals: Manufactured to strict OEM standards, ensuring a perfect fit and reliable performance.
Heat Resistance Material: Engineered with premium materials that withstand high operating temperatures without degrading.
Low Friction Technology: Specially designed low-friction seals significantly reduce heat generation and cylinder temperature during intense operations.
Prolonged Cylinder Life: While standard seals may wear out around 2,000 hours, WYS advanced seals are designed to extend cylinder life up to 8,000 hours, drastically reducing maintenance costs and downtime.
ISO 9001 Registered: Fully certified manufacturing process guaranteeing consistent top-tier quality.

Package Includes:

1 x Original WYS Arm Seal Kit (721-98-04000) in genuine sealed packaging.

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Stable Inventory & Global Supply Capability

Large Stock Availability
Professional Export Packing
Fast Response & Delivery
Global Shipping Support

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Global Exhibition Experience

17+ Years Industry Experience
Professional Hydraulic Parts Supplier
Global Customer Communication
Long-Term Partnership Development

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Advanced Manufacturing & Quality Control

Advanced Production Equipment
Precision Inspection System
Strict Quality Control
Stable Manufacturing Capability

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Q1. Are you a factory or trading company?

A: We combine manufacturing capability with professional hydraulic seal supply experience.

Q2. What brands do your seal kits fit?

A: Doosan, Komatsu, CAT, Hitachi, Hyundai, SANY and more.

Q3. Do you provide OEM service?

A: Yes, customized seal solutions and packaging are available.

Q4. How do you guarantee quality?

A: Strict material testing, precision inspection and final QC.

Q5. Can you support global shipment?

A: Yes, we provide stable supply and export services worldwide.

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

a*d

Bangladesh Jan 1.2026

trustpilot.com

Helpful (1)

Extremely satisfied with this purchase! The sealing ring fits perfectly and works smoothly. Packaging was quick and secure. I will definitely buy again.

Tags:

Products

MOQ:	1 Set
Price:	$29.85 -$32.83 / Se
Standard Packaging:	Original WYS Carton Box (1 EA/Box)
Delivery Period:	5-8 work days
Payment Method:	L/C,D/A,D/P,T/T
Supply Capacity:	10,000 Sets / Month

Detail Information

Product Description

Detail Information

Place of Origin

South Korea

Brand Name

WYS (Wonyoung Seal Corp.)

Certification

ISO9001 / CE / RoHS

Model Number

PC500LC-10R

Part Number:

721-98-04000

Part Name:

Arm Seal Kit / Hydraulic Cylinder Repair Kit

Material:

Heat-resistance & Low-friction Material

Applicatior:

Excavator Arm Hydraulic Cylinder

Condition:

100% New Genuine

Contain:

HBY,IDI,BRT,DKB,OR,T3,SPGW,WR,OR

Model:

PC500LC-10R

Minimum Order Quantity:

1 Set

Price:

$29.85 -$32.83 / Se

Packaging Details:

Original WYS Carton Box (1 EA/Box)

Delivery Time:

5-8 work days

Payment Terms:

L/C,D/A,D/P,T/T

Supply Ability:

10,000 Sets / Month

Product Description

Komatsu Arm Seal Kit 721-98-04000 Hydraulic Cylinder Kit

Product Overview

Compatible Models & Applications

To ensure perfect fitment, please verify your machine model. This arm cylinder seal kit is fully compatible with the following equipment:

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Excavator Models: Komatsu PC500LC-10R, Komatsu PC500LC-10M0
Engine Model: Komatsu SAA6D125E-5

Key Features & Advantages

Based on WYS's advanced engineering, this superior seal kit offers outstanding benefits:

OEM Supplying Seals: Manufactured to strict OEM standards, ensuring a perfect fit and reliable performance.
Heat Resistance Material: Engineered with premium materials that withstand high operating temperatures without degrading.
Low Friction Technology: Specially designed low-friction seals significantly reduce heat generation and cylinder temperature during intense operations.
Prolonged Cylinder Life: While standard seals may wear out around 2,000 hours, WYS advanced seals are designed to extend cylinder life up to 8,000 hours, drastically reducing maintenance costs and downtime.
ISO 9001 Registered: Fully certified manufacturing process guaranteeing consistent top-tier quality.

Package Includes:

1 x Original WYS Arm Seal Kit (721-98-04000) in genuine sealed packaging.

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Stable Inventory & Global Supply Capability

Large Stock Availability
Professional Export Packing
Fast Response & Delivery
Global Shipping Support

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Global Exhibition Experience

17+ Years Industry Experience
Professional Hydraulic Parts Supplier
Global Customer Communication
Long-Term Partnership Development

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Advanced Manufacturing & Quality Control

Advanced Production Equipment
Precision Inspection System
Strict Quality Control
Stable Manufacturing Capability

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

FAQ

Q1. Are you a factory or trading company?

A: We combine manufacturing capability with professional hydraulic seal supply experience.

Q2. What brands do your seal kits fit?

A: Doosan, Komatsu, CAT, Hitachi, Hyundai, SANY and more.

Q3. Do you provide OEM service?

A: Yes, customized seal solutions and packaging are available.

Q4. How do you guarantee quality?

A: Strict material testing, precision inspection and final QC.

Q5. Can you support global shipment?

A: Yes, we provide stable supply and export services worldwide.

Tags:

Excavator Cylinder Seal Kits

Excavator Seal Kit

Breaker Seal Kit

Center Joint Seal Kit

Control Valve Seal Kit

Hydraulic Pump Seal Kit

Swing Motor Seal Kit

Travel Motor Seal Kit

Gear Pump Seal Kit

Hydraulic Oil Seal

Excavator Parts

Komatsu WYS Arm Seal Kit PC500LC-10R 721-98-04000 Excavator Hydraulic Cylinder Repair Kits

Overall Rating

Rating Snapshot

All Reviews

PC200-5 Excavator Cylinder Bucket Seal Kit,

SKF Cylinder Bucket Seal Kit,

SKF Seal Kit

SKF Excavator Hydraulic Cylinder Boom Seal Kit For C 312D 289-7733

10000psi Hydraulic Cylinder Seal Kits C 289-7716 E312D

High Temperature Excavator Cylinder Seal Kits C 289-7733 E312D

Hydraulic Cylinder Arm Seal Kit SKF 4649051 For ZAX330-3 EX300-5

SKF 4649049 Excavator Cylinder Seal Kits Boom Seal Kit For ZAX330-3 EX300-5

YA00007745 Excavator Cylinder Seal Kits For ZAX330-5A ZAX330-1

ZAX330-5G Excavator Cylinder Seal Kit Hydraulic Cylinder Repair Kits SKF YA00008837

Excavator Cylinder Seal Kits

Excavator Seal Kit

Breaker Seal Kit

Center Joint Seal Kit

Control Valve Seal Kit

Hydraulic Pump Seal Kit

Swing Motor Seal Kit

Travel Motor Seal Kit

Gear Pump Seal Kit

Hydraulic Oil Seal

Excavator Parts

PC200-5 Excavator Cylinder Bucket Seal Kit,

SKF Cylinder Bucket Seal Kit,

SKF Seal Kit