I would give this place a call about whether or not the parts are interchangeable.................. http://lexus.sewellparts.com/support/contactus/index.html
Check this out on ebay......................... http://www.ebay.com/itm/LEXUS-ADAPTIVE-AUTO-LEVEL-XENON-HID-AFS-RIGHT-FRONT-RH-RX-330-350-400h-400-04-09-/280771163778