Accessory code 659B Horizontal directional flap for Lingotto to be installed on the frame code XA17 659B: Horizontal directional flap for Lingotto to be installed on the frame code XA17 Technical description: Stainless steel directional flap that can be installed on the horizontal side of the Lingotto. The flap can only be installed using the XA17 frame. Colour: Black (04)