06+ Lexus GS Mudguards part numbers, copied directly from the mudguards:

Front Right:
08414 30031
SET Y08414 30030

Front Left:
08414 30032
SET Y08141 30030

Rear Left:
Y08414 30820
08414 30044
08414 30040

Rear Right:
Y08414 30820
08414 30043
08414 30040

They are body parts and painted. I think these numbers are for a white car. Mine is Mercury Metallic (1F2)