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Roof Rack Recommendation for 2020 Lexus RX350 for Carrying Sears X Cargo Sport 20 Box  

Updated 01/06/2026 | Published 01/02/2026

Question:

Do you have crossbar kit for the following vehicle / carrier / usage? Vehicle: 2020 Lexus RX 350 with factory-integrated roof carrier side rails. Carrier: Sears Model 28-72030 Hardshell Car Top Cargo Carrier X Cargo Sport 20

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Expert Reply:

Hey Nick, we have the Thule roof rack part number # TH89UG which will provide a square crossbar roof rack that fits your 2020 Lexus RX 350 and the mounting hardware of your Sears X Cargo Sport 20 cargo box. Have you had the box for a while?

expert reply by:
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Jameson C
Nick W. profile picture

Nick W.

1/6/2026

I have had the Sears X Cargo Sport 20 Box for about 10 years, but have used it only 5 times was on a Chrysler TandC. Also, another question about recommendation: my Lexus has a sunroof. Would crossbars be compatible without any interference vertical or lateral with sunroof?

Jameson C. profile picture
Etrailer Expert

Jameson C.

1/6/2026

@NickW Generally what all roof rack manufacturers will state is that with the roof rack installed you shouldn't open the sunroof. Mainly because of potential interference but also because of how much wind noise that will be created which would make you want to just close the rack. How high up does your sunroof pop up when it's opened?

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