Select Navistar Applications : 2007-2012 MaxxForce/Power Stroke 6.4 / 2007-2010 Ford Engines. Fuel Pressure Switch (Rectangular Connector) (3 Pin) (M12 x 1.5) (2.41" OAL). OEM Reference : Mack 4333-1873400C92, 4333-2517634C1, 4333-2517635C91, Navistar 1873400, 1873400C91, 1873400C92, 2517634, 2517634C1, 2517635, 2517635C91. 07-12 Navistar MaxxForce 7 Fuel Rail Pressure Sensor AP63422