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When you want to tow a fifth wheel but already have a gooseneck hitch, this adapter makes the switch simple. It drops right onto a standard 2-5/16" gooseneck ball and gives you a true 360-degree nesting fit for the king pin. The funnel-shaped hitch head helps guide the king pin into place, cutting down on false hookups and making it easier to line up safely every time.
The dual-articulating head pivots both front-to-back and side-to-side, so the trailer moves naturally with the truck over uneven ground. Combined with the wide-stance, one-piece offset legs, the setup feels stable and steady even when the road isn’t. It’s made from black powder-coated steel for strong, corrosion-resistant performance you can rely on trip after trip.
Getting the right height match between your truck and trailer is key for a level, safe connection. This adapter offers 3" of vertical adjustment—17", 18", or 19"—so you can dial in the setup that keeps your trailer towing evenly. The head height adjusts easily with four bolts, two per side, for a secure and tailored fit.
Even though it’s built tough with a 21,000-lb gross towing weight and 5,000-lb vertical load limit, the 122-lb adapter is lighter than many traditional fifth wheel hitches. The two-piece build makes it manageable to install or remove on your own, letting you clear out your bed quickly when you’re not towing.
The base is designed to make full contact with the truck bed for secure support—no raised or over-bed balls. It’s built to work cleanly with cushioned or air-ride pin boxes and includes a lube plate to keep things moving smoothly. With a 3-year limited warranty, it’s a solid option for anyone looking to connect a fifth wheel to their gooseneck setup without adding complexity.
Customer Satisfaction Score:
81% were satisfied with this product
19% of customers were not satisfied
Ratings & Reviews
Simple to use, great value!
Hard to hook up you have to be right over the hitch hole with the trailer pin or it wont drop in
Awesome! Easiest 5th wheel load and un load.
The Blue Ox hitch adapter for 5th wheel worked great. Easy to install and hitching the camper was breeze. Smooth ride on the initial pull. I would definitely recommend this item.
Condition: Surface Scratches
Notes: There are scratches on the product. Also, the boxes are not in the best shape. There is black tape on the boxes. All hardware is included.
Info for this part was:
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Dan O.
3/13/2025
I really like this set-up. It pulls well and I know Im always 100 secure when the kingpin s into hitch. It did take a while to get use to backing up to it, but after a few times Ive gotten much better.