2006 INFINITI FX45 Engine: 4.5L V8;. 2007 INFINITI FX45 Engine: 4.5L V8;. 2008 INFINITI FX45 Engine: 4.5L V8;. A/C Expansion Valve. Expansion Valve/ Ori. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
