Genuine Wabco Release Valve P/N: 973-011-000-0 or 9730110000, ready to ship worldwide! Call us with any questions.Tech SpecsBrand WABCOPart type Premium original qualityProduct category DeviceCalculated Volume (dm)1.132Exhaust Snap on contour JED – 463Max. operating pressure 145.04 psiMounting 4x M8Opening pressure 2.90 psiPort thread 1M22 x 1.5Port thread 22x M22 x 1.5Port thread 3JED-463Port thread 4M16 x 1.5Predominance 2.90 psiRegulating ratio1:1Technical specification OE specificationTemperature range -40C to +80CVersion Pressure reductionSize (mm x mm x mm)101 x 101 x 111