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Curt A16 5th Wheel Hitch Legs for Nissan Titan XD Adapter Plate  

Updated 09/17/2026 | Published 09/09/2026

Question:

I have a 2019 Nissan Titan XD with a Nissan 5th wheel adapter plate in the puck system in the bed. I have a Curt A16 fifth wheel hitch and the tabs on the legs do not match with the mounting points on the adapter. Is they’re a set of Curt legs that will mount to the Nissan Adapter plate. Thank you

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Expert Reply:

Thanks for letting us help James. I'm not familiar with the specific Nissan adapter plate you currently have, so the correct set of legs will depend on what type of fifth-wheel mounting points that adapter provides.

If your adapter provides industry standard above bed rail mounting points, you'll want the Replacement Base Legs for Curt A16 5th Wheel Trailer Hitch # C16920. These attach to standard fifth wheel rails and are compatible with your existing Curt A16 hitch head. If your 2019 Nissan Titan XD has the factory OEM puck system you can use the Curt OEM 5th Wheel Hitch Legs for Nissan Titan XD Towing Prep Package # C16026. These legs attach directly to the factory Nissan puck system and also work with your A16 hitch.

Both options are designed for a fixed/non-sliding Curt A16, so they would not be appropriate if you have the A16 slider.

If you can send me a photo of the Nissan adapter plate and its mounting points, I can determine which of these would be the better option.

Was the Curt A16 mounted in a previous vehicle or is the 5th wheel hitch new to you?

expert reply by:
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Christopher H
James S. profile picture

James S.

9/17/2026

I have a Nissan 5th wheel adapter p/n 999T5-W4198 it drops into my puck system. My A16 hitch legs don’t match up with the mounting points the legs are two wide spaced . Is there a set of Curt legs that has a shorter foot print. Or is there a Gooseneck leg setup that can be switched to a 5 wheel setup for my 5Th wheel trailer. I couldn’t find a way to attach a picture here, so I sent it to your email address.

Christopher H. profile picture
Etrailer Expert

Christopher H.

9/17/2026

@JamesS Thanks for sending the photo. Everything I'm seeing on the Nissan adapter states it should accept fifth wheel hitches that use industry standard spacing which the A16 legs would. Do the legs that are on your A16 now look similar to the # C16920?

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