If you need to replace the left or right side rear shock absorber on your 2001-2005 Lexus LS300, then you'll find out how to do it here.

You may find that your local auto parts store doesn't carry the parts you need for your car. The shock installed on the LS300 in the video on this page can be purchased from Amazon through this affiliate link https://amzn.to/2YzgLVz

I think you'll see that the instructions in this video are pretty clear and your LS300 should once again ride as smoothly as it did before.