RX 300 Replacement HID Headlight Part Number Differences (1 Viewer)

[Dissent]

I'm tracking down new OEM HID headlight assemblies for my 2001 Lexus RX 300 to replace the cloudy ones. I see a new P/N 81170-48130 ($508.00) which seems to have replaced the original P/N 81150-48130 ($1252.00). The new P/N is a higher number so I assume Toyota/Lexus updates them now and then. I find both parts listed on many sites but the $700 price difference is significant and I can actually afford them.

Does anyone have any experience with these?