If you have a 2007 model year V70 or S60 you will need to visually inspect your car to determine which style control arm you Volvo is equipped with to ensure you order the correct parts.
Two different style control arms and ball joints were used on 2007 model S60 and V70 models. The obvious difference between the two designs in that the earlier control arms are aluminum and the later design are steel. They are not interchangeable.
This ball joint fits these models: