300430

For SPX PowerTeam equipment, part number 300430 is the corresponding seal kit. It's built specifically to fit PowerTeam hydraulic cylinders and is meant to address exactly that kind of issue, restoring pressure retention and stopping leaks. As long as your cylinder is a PowerTeam unit, this kit is the right path to getting it running right again.

Match-up is straightforward here since the SKU and supplier part number are both 300430, and it is specifically engineered to fit SPX PowerTeam equipment.