The Sun 740-223 is a genuine seal kit from Sun Hydraulics, designed for the maintenance and repair of hydraulic cartridges. This kit contains all the necessary external seals, manufactured from high-quality Buna-N (Nitrile), ensuring excellent resistance to petroleum-based oils and fluids. It is specifically engineered for cartridges fitting into T-10A and T-3A cavities. Using this original Sun Hydraulics seal kit guarantees a perfect fit and restores the cartridge’s sealing integrity, preventing leaks and ensuring reliable system performance.