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Recommended Trailer Hitch and Wiring For 2017 Lexus RX-350


Trailer hitch for 2017 Lexus RX 350 and wire harness 4 wire flat


Expert Reply:

Starting with the trailer hitch for your 2017 Lexus RX-350, I recommend the Draw-Tite Max-Frame Trailer Hitch Receiver # 75540. This Class III hitch is confirmed to fit your vehicle and will provide a 2 inch receiver opening with a 4,500 pound towing capacity. Based on my research, it appears the vehicle's towing capacity is 3,500 pounds. You can verify this by checking your copy of the owner's manual. If this is the case, you will just need to stay below this limit even though the hitch itself is rated for more.

I have attached an installation video on the 2017 RX 350 that you can use for reference.

If your RX 350 happens to be the F Sport model, you will instead need the Curt Class III # C13272. I have attached an installation video on this hitch as well.

Then to install a 4-Way flat connector, I recommend the Tekonsha T-One Vehicle Wiring Harness # 118255. This is a custom-fit harness that will connect to existing plugs located under the vehicle on the driver's side rear. If your RX-350 has the factory tow package, you instead use the Curt # 56083.

I have included the installation details for both harnesses that you can check out.

Lastly, to tow a trailer you will need a ball mount. I have attached an article that will explain how to choose the best one for your towing setup, along with a link that will take you to our available selection.

expert reply by:
Chris R

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