The YNF17500 Swivel Joint Seal Kit is designed for excavators requiring reliable center joint sealing. This kit provides a complete set of seals to prevent hydraulic oil leakage, maintain consistent pressure transfer, and ensure smooth rotation between the upper and lower structures.

• OEM-equivalent replacement for S19040-06399

• Compatible with excavator swivel/center joints

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

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

• Precision-manufactured for OEM-standard fit and leak-free performance

• Ensures smooth rotation and reliable hydraulic flow

• Suitable for center joint overhaul, repair, or preventive maintenance

• Long service life under heavy-duty operating conditions

• Component: Swivel Joint / Center Joint Seal Kit

• Used to seal hydraulic oil passages in excavator center joints

• Maintains hydraulic integrity and prevents leaks between upper and lower structures

• Suitable for repair, overhaul, and preventive maintenance of heavy machinery

• OEM number and model compatibility confirmation

• Technical guidance for installation and troubleshooting

• Stable supply for distributors, 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 excavator spare parts

Q1: Can this seal kit replace OEM S19040-06399 directly?
A: Yes, it is a direct OEM-equivalent replacement.

Q2: Are the seals suitable for high-pressure hydraulic systems?
A: Yes, all seals are designed for high-pressure and heavy-duty operation.

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