The YNF17818 Bucket Cylinder Seal Kit is designed for Komatsu PC300-6 excavators, specifically for the bucket hydraulic cylinder. This seal kit provides a complete sealing solution to prevent hydraulic oil leakage, maintain stable cylinder pressure, and ensure smooth and reliable bucket movement during repair or maintenance.

• OEM-equivalent replacement for 707-99-58370

• Compatible with Komatsu PC300-6 bucket cylinders

• Complete seal kit including oil seals, O-rings, and backup rings

• High-quality materials resistant to hydraulic oil, heat, and pressure

• Precision-manufactured for OEM-standard fit and reliable sealing

• Ensures smooth bucket operation and leak-free performance

• Suitable for cylinder overhaul, repair, or preventive maintenance

• Long service life under heavy-duty working conditions

• Machine model: Komatsu PC300-6 excavator

• Component: Bucket Cylinder Seal Kit

• Used for sealing the bucket hydraulic cylinder

• Suitable for construction machinery maintenance and repair

• OEM number and model compatibility confirmation

• Technical support for installation and application

• Stable supply for dealers, workshops, and service centers

• Custom seal kits available upon request

• Seals packed in individual protective plastic bags

• Export-standard cartons for safe transportation

• Neutral packing or YNF-branded packaging available

• Supports combined shipment with other hydraulic spare parts

Q1: Is this seal kit suitable for the original PC300-6 bucket cylinder?
A: Yes, it is manufactured according to OEM specifications and fits the original cylinder.

Q2: Are the seals suitable for high-pressure hydraulic systems?
A: Yes, all seals are designed to withstand high pressure and demanding working conditions.

Q3: Can this kit be used for routine maintenance?
A: Yes, it is ideal for both preventive maintenance and bucket cylinder repair.