Bell & Gossett seal kit for B&G Series VSC split case pumps, sizes 4x4x9, all 5x5, 6x6x9, and 6x8x9, as well as VSCS split case pumps, sizes all 5x6, 6x6x9, and 6x8x9. Seal kits prevent the pump from leaking water at the pump shaft. It is recommend to order a new pump cover gasket when replacing the seal kit as it necessary to replace it each time the pump is opened for maintenance.