Industrial & Automotive Seals CK Sealing oil seals are designed to prevent lubricant leakage and block contaminants such as dust, dirt, and water. Applied in engines, gearboxes, pumps, and motors, our seals ensure stable performance and extended equipment life. Gear box Engine SealsGaskets Power SteeringSeals TransmissionBonded Piston Seals SuspensionOil Seals O-Ring ACCompressor O-Rings