2005 Lexus RX 330

Tires and Wheels problem
2005 Lexus RX 330 6 cyl Front Wheel Drive Automatic 74000 miles

I am trying to confirm that a piece that is loose and fallen down but not off (which I have duct taped to the underside) is a side splash guard. This is in the wheel well and I had AAA check it since I did not know if it was OK to drive it. The guy said that it protected the brakes from being splashed on. So is the side splash guard the correct part?
June 2, 2010.

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