OER Parts offers a wide selection of Fuel Level Sending Units for your 2005 Buick Century. OER Parts offers 2005 Buick Century 0-90 Ohm Fuel Sending Unit, 2005 Buick Century 0-30 Ohm Fuel Sending Unit, 2005 Buick Century Auto Meter Universal Fuel Tank Sending Unit, 2005 Buick Century Fuel Tank Sending Unit Float, 2005 Buick Century Classic Instruments Internal Float Fuel Sending Unit, 2005 Buick Century OE Fuel Level Sending Units, 2005 Buick Century Fuel Sender Lock Ring, 2005 Buick Century Fuel Sender Lock Ring Rubber Gasket, and 2005 Buick Century Fuel Tank Sending Unit Lock Ring Tool.