Gold Plunger Seal Back Catalog number: 11-4133 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-11282 1525 Performance Maintenance Kit Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request