Fuel Injection Pressure Regulator. Pressure Reg FITMENT NOTES: Engine: 2.5L H4. Compatible Years: 2000 2001 2002 2003 2004 Item Specifics Adjustable: No Gauge Port: No Inlet Port Diameter: 0.43 IN Inlet Port Diameter: 11.0 MM Inlet Quantity: 1 Inlet Type: Push In Material: Metal Material: Metal Mounting Type: Bolt Outlet Port Diameter: 9.0 MM Outlet Port Diameter: 0.35 IN Outlet Quantity: 1 Outlet Type: Hose System Pressure: 44. Confirm Your Vehicle Compatibility. Engine: 2.5L H4. Also review the notes section in the compatibility chart for additional specifications about this part.