- Cylinder Seal Kits for complete sealing solutions in hydraulic cylinders, designed for repair, maintenance, and replacement applications. Available in standard and custom kits with OEM manufacturing support.
Seal Kits
Complete Sealing Repair Kits for Maintenance and Replacement Needs
Material Options
NBR, FKM, HNBR, ACM and more.
Temperature Range
-40°C to +200°C (customizable)
Size Range
ID: 3mm - 1000mm. More sizes available.
Quality Assurance
100% inspection before shipment
Product Categories
- Hydraulic Seal Kits provide complete sealing solutions for hydraulic cylinder repair and maintenance. Available in standard and custom kits with OEM manufacturing support. Suitable for construction, agricultural, and industrial machinery.
Need help selecting the right sealing product?
Our engineering team is ready to support you.
About Seal Kits
What Are Seal Kits?
Seal kits are complete sets of sealing components packaged together for the repair or maintenance of hydraulic cylinders and mechanical systems.
They typically include piston seals, rod seals, wipers, wear rings, and O-rings, ensuring full compatibility and easy replacement during servicing.
Kit Composition
Our seal kits are assembled according to original equipment (OE) specifications or customer requirements, and may include:
Piston Seals
Rod Seals
Wiper Seals
O-Rings
Wear Rings / Guide Rings
Backup Rings
Each kit is carefully matched to ensure correct fitment and reliable sealing performance.
Materials & Quality
We use high-performance materials to ensure durability and long service life:
PU (Polyurethane) – High wear and pressure resistance
NBR – General hydraulic oil resistance
FKM – High temperature and chemical resistance
PTFE – Low friction and high-performance sealing
All materials are selected based on application requirements and working conditions.
Our Manufacturing Advantages
Full compatibility matching with OEM specifications
Complete kit assembly for easy maintenance use
Strict quality control for dimensional accuracy
Support for excavators, loaders, and industrial machinery models
Fast quotation and response within 24 hours
Stable supply for maintenance and aftermarket demand
Applications
Our seal kits are widely used in:
Excavators and construction machinery
Hydraulic cylinders and systems
Industrial maintenance and repair services
Agricultural machinery
Material handling equipment
Automotive hydraulic systems
Custom Seal Kit Solutions
We support customized seal kits based on model numbers, drawings, or samples, including:
Machine-specific kits
OEM replacement kits
Material upgrades for harsh environments
Bulk supply for maintenance companies and distributors
Send us your equipment model or requirements for a fast matching solution.
Frequently Asked Questions
What is a seal kit used for?
Seal kits are used for repairing or rebuilding hydraulic cylinders and mechanical systems by replacing all sealing components at once.
What does a seal kit include?
It typically includes piston seals, rod seals, wipers, O-rings, and wear rings depending on the application.
Do you offer OEM seal kits?
Yes, we can produce seal kits based on OEM part numbers, drawings, or samples.
How do I choose the correct seal kit?
You need to provide machine model, cylinder specifications, or part number for accurate matching.
Can you supply bulk orders?
Yes, we support bulk supply for distributors, repair centers, and equipment maintenance companies.
What is your lead time?
Standard kits are available for fast delivery. Custom kits depend on model complexity and quantity.