Piston, High Pressure Back Catalog number: CTS-11366 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1603 Seal, Wash Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request