Gooseneck to 5th Wheel Adapter/Pop-Up Gooseneck Trailer Hitch King Pin/Goosen...
- [Perfect Fit]: The pop-up 4-inch round gooseneck kingpin coupler fits the standard goose pre-style trailer coupler tube, suitable for semi-trailer tractors or pickup trucks with fifth wheels.
- [Easy Conversion]: Simply slide the extra-heavy duty wall tube gooseneck coupler down from the outer clamping sleeve of the neck, then slide the SAE standard main pin adapter into the sleeve and secure it in place, and you can easily switch trailer types.
- [Rust-proof Upgrade]: Adopts a new blueing anti-rust process, in which steel is protected against rust using a black oxide coating, and the salt corrosion resistance is improved by 300%, adapting to extreme cold/coastal/rainy environments.
- [Excellent Load]: Hezaosth fifth wheel to gooseneck adapter has an integral forged alloy steel structure, an embedded laser welded kingpin base for increased firmness, and perfectly processed weld marks, 7/20" wall thickness increases the adapter's load capacity, rated load slightly more than 30,000 pounds.
- [Adjustable Height]: The round inner tube of the gooseneck kingpin adapter fits most standard round gooseneck outer tubes, and the adjustable pin hole allows 4 different height adjustment settings to fit more vehicles models.
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- We ship within Three business days of payment, usually sooner.
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