Durable hydraulic cylinder seals for excavator

Excavator boom cylinder sealing components

High-quality boom cylinder seal kit YNF17395

YNF17395 Boom Cylinder Seal Kit 707-98-47730 PC220-8 Hydraulic Arm Repair Kit Excavator Boom Seal Set

High-performance PC220-8 boom cylinder seal kit designed to prevent hydraulic leaks and restore excavator arm operation.

Compatible with PC220-8 excavator boom cylinder
Complete rebuild kit with piston seals, rod seals, O-rings, wiper rings, backup rings
High-pressure, wear-resistant sealing materials
Prevents hydraulic oil leakage and restores lifting efficiency
Easy installation reduces downtime and maintenance costs

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PC220-8 Boom Cylinder Seal Kit Description

The YNF17395 707-98-47730 PC220-8 Boom Cylinder Seal Kit provides all necessary sealing components for rebuilding the boom cylinder of the PC220-8 excavator. Hydraulic cylinder seals deteriorate over time due to high pressure, continuous operation, and oil contamination, leading to internal leakage, reduced lifting efficiency, or abnormal cylinder operation.

This kit includes premium piston seals, rod seals, O-rings, wiper rings, and backup rings made of high-quality PU, NBR, PTFE, and rubber compounds. These materials ensure excellent durability, high pressure tolerance, and long-lasting performance under harsh working conditions.

Trusted by service workshops, fleet operators, and aftermarket distributors, the YNF17395 seal kit delivers a reliable and cost-effective solution to restore boom cylinder performance, minimize downtime, and prolong excavator hydraulic system lifespan.

PC220-8 Boom Cylinder Seal Kit Technical Data Sheet

Parameter	Details
YNF Part Number	YNF17395
OEM Part Number	707-98-47730
Model Compatibility	PC220-8 Excavator
Product Type	Boom Cylinder Seal Kit / Hydraulic Arm Repair Kit
Included Components	Piston seals, rod seals, O-rings, wiper rings, backup rings
Material	PU / NBR / PTFE / Rubber
Function	Restores cylinder sealing, prevents leakage, stabilizes lifting performance
Application	Excavator boom cylinder maintenance
Brand	YNF
Origin	China
MOQ	1 Set
Shipping Options	Air, Sea, Express
Payment Terms	T/T, PayPal, Western Union

PC220-8 Boom Cylinder Seal Kit Applications

Application Area	Description
Boom Cylinder Rebuild	Complete sealing solution for PC220-8 boom cylinder
Excavator Hydraulic Arm Repair	Prevents internal leakage and restores lifting power
Hydraulic Performance Restoration	Improves flow stability and cylinder response
Workshop & Fleet Maintenance	Ideal for service workshops and machinery operators
Aftermarket Hydraulic Seal Distribution	Suitable for distributors and rebuild specialists

PC220-8 Boom Cylinder Seal Kit Detail Display

FAQs

Related Products:

PC220-8 Arm Cylinder Rod Seal Kit
Excavator Bucket Cylinder Seal Kits
Hydraulic Cylinder O-Ring Sets
Aftermarket Boom Cylinder Seal Kits
Excavator Cylinder Rebuild Components

FAQs:

Q: Is the seal kit compatible with PC220-8 boom cylinder?
A: Yes, it is specifically designed for PC220-8 excavator boom cylinders.
Q: What issues indicate cylinder seal failure?
A: Hydraulic oil leakage, reduced lifting force, abnormal cylinder movement.
Q: Is this a complete rebuild kit?
A: Yes, it includes all essential seals for boom cylinder overhaul.
Q: MOQ?
A: 1 set.

Request Quote for PC220-8 Boom Cylinder Seal Kit

The YNF17395 707-98-47730 PC220-8 Boom Cylinder Seal Kit ensures reliable sealing performance for excavator boom cylinders. Using high-pressure and wear-resistant materials, it restores hydraulic lifting efficiency, prevents oil leakage, and reduces machine downtime. YNF Machinery guarantees stable quality, competitive pricing, and global shipping—perfect for repair workshops, fleet owners, and aftermarket distributors. Contact us today for your best quotation.

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