2004 Buick Rainier Position: Rear;. 2005 Buick Rainier Position: Rear;. 2006 Buick Rainier Position: Rear;. 2007 Buick Rainier Position: Rear;. Part Type: A/C Expansion Valve. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
