Compatible with F'-ord Models: 2003 - 2003 E-350 Club Wagon V8 7.3L Diesel 1996 - 1998 E-350 Econoline V8 7.3L Diesel 1996 - 2002 E-350 Econoline Club Wagon V8 7.3L Diesel 1999 - 2003 E-350 Super Duty V8 7.3L Diesel 1999 - 2002 E-450 Econoline Super Duty V8 7.3L Diesel 2003 - 2003 E-450 Super Duty V8 7.3L Diesel 2002 - 2002 E-550 Econoline Super Duty V10 6.8L Petrol 2002 - 2002 E-550 Econoline Super Duty V8 7.3L Diesel 2003 - 2003 E-550 Super Duty V10 6.8L Petrol 2003 - 2003 E-550 Super Duty V8 7.3L Diesel 1996 - 1999 Econoline Super Duty V8 7.3L Diesel 1996 - 1997 F Super Duty V8 7.3L Diesel 1996 - 1996 F-250 V8 7.3L Diesel 1997 - 1997 F-250 HD V8 7.3L Diesel 1999 - 2003 F-250 Super Duty V8 7.3L Diesel 1996 - 1997 F-350 V8 7.3L Diesel 1999 - 2003 F-350 Super Duty V8 7.3L Diesel 2003 - 2004 F-450 Super Duty V8 6.0L Diesel 1999 - 2003 F-450 Super Duty V8 7.3L Diesel 1999 - 2004 F-450 Super Duty V10 6.8L Petrol 1999 - 2003 F-550 Super Duty V8 7.3L Diesel INSTALLATION STEP 1.Disconnect the Power Source: Before starting the installation, disconnect the vehicle's battery to ensure safety and prevent any accidental electrical issues. 2.Remove the Old Vacuum Pump: Disconnecting any electrical connectors, vacuum hoses, and mounting bolts that secure the pump to the engine or bracket. Keep track of the connections and make note of their positions for re-installation. 3. Install the New Vacuum Pump: Position the new vacuum pump in the appropriate location, aligning it with the mounting points. 4.Connect Vacuum Hoses: Reconnect the vacuum hoses to the appropriate ports on the new vacuum pump. Ensure that the connections are secure and tight. 5.Verify Proper Installation: Double-check all connections, hoses, and electrical connections to ensure they are properly installed and secure. inspect for any signs of leaks or loose connections. 6. Reconnect the Vehicle's Battery: Once you are confident that the installation is complete and all connections are secure, reconnect the vehicle's battery.