GMPartsGiant.com offers the wholesale prices for genuine 2005 Buick LaCrosse parts. Parts like Steering Column are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.6L, 6 Cyl 3.8L. Model Code: CX 4 DOOR, CXL 4 DOOR, CXS 4 DOOR.