Description Manuals Videos Articles Clemco 21344 - Seat, urethane, Auto Quantum Valve AQV This is an OEM replacement Urethane Seat for the Air Valve on the Auto Quantum Valve AQV Item # 7 Manual Related Parts (1) Parts Included (1) Clemco Auto Quantum Grit Metering Valve #24447 $727.50 156 Customers Also Viewed Auto Quantum Valve Wear Sleeve, Grit Valve #21342 $70.81 Auto Quantum Valve Plunger #21326 $96.03 Clemco Auto Quantum Grit Metering Valve #24447 $727.50