New tail lights are from $300 to $350.


www.car-part.com has many used listed between $75 to $260.


ebay has used listings as low $197 right now. If you monitor ebay you can likely get one for $100 or possibly less, but the wait could be months.


http://www.ebay.com/itm/04-08-2008-Chrysler-Crossfire-LH-Left-Tail-Light-OEM-/191295109147?pt=Motors_Car_Truck_Parts_Accessories&fits=Model%3ACrossfire&hash=item2c8a13b81b&vxp=mtr