The YNF17481 Center Joint Seal Kit is designed for Sumitomo SH300-3 excavators, specifically for the center joint (swivel joint). This seal kit provides a complete sealing solution to prevent hydraulic oil leakage, maintain stable pressure distribution, and ensure reliable hydraulic flow between upper and lower structures during machine rotation.

• OEM-equivalent replacement for KSA1305K

• Compatible with Sumitomo SH300-3 center joints

• 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 rotation and leak-free hydraulic transfer

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

• Long service life under heavy-duty operating conditions

• Machine model: Sumitomo SH300-3 excavator

• Component: Center Joint (Swivel Joint) Seal Kit

• Used to seal hydraulic oil passages in the center joint

• 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 excavator spare parts

Q1: Is this seal kit compatible with the original SH300-3 center joint?
A: Yes, it is manufactured to OEM specifications and fits the original swivel joint.

Q2: Can this kit handle high-pressure hydraulic systems?
A: Yes, all seals are designed for high-pressure hydraulic applications.

Q3: Is this seal kit suitable for preventive maintenance?
A: Yes, it is ideal for both routine maintenance and center joint repair.