The Bendix Coreless Valve TR-3, part number OR280758X, is a genuine Bendix air brake inverse valve designed for heavy-duty truck brake systems. This valve measures 2.97 in. high x 1.38 in. wide x 1.93 in. long and is sold individually. Pro Gear and Transmission carries genuine Bendix parts. Call us to confirm this valve is the right fit for your brake system before ordering.Interchanges:664638C91745-OR280758XEXOR280758XTWDBENOR280758XBW OR280758XBX OR280758XA factory handling fee of $20.00 per unit is added at checkout.FeaturesGenuine Bendix Coreless Valve TR-3 air brake inverse valvePart number OR280758XDimensions: 2.97 in. H x 1.38 in. W x 1.93 in. LSold as individual unitTech SpecsPart Number: OR280758XHeight: 2.97 in.Width: 1.38 in.Length: 1.93 in.Unit of Measure: Each