• To be used with the Lang Tools 74438 gauge assembly, or the 74424 gauge assembly with the 74425 hose assembly.
• Tool is a Compuchek quick coupler socket with a male quick coupler plug.
• Used to measure fuel pressure, check for air bubbles and bleed air from the fuel system on the family of engines from Navistar/International VT365, DT466, DT570 and HT570.
• Dimensions: 6.188" X 3.25" X 2.188"