Defender Locking Gooseneck Coupler

Meet the B&W Trailer Hitches Defender Locking Gooseneck Coupler (GNC4250)—a next-level upgrade that makes gooseneck towing more secure. We reinvented the coupler with built-in security features and unmatched ease of use, so you can hook up confidently and hit the road sooner. The Defender’s integrated push-button keyed lock helps protect your investment with a powerful theft deterrent. Lock your trailer while coupled or uncoupled, giving you added peace of mind whether you’re parked at home, on the jobsite, or at a campground. Hookup is effortless thanks to the automatic latch system—simply line up the ball, lower the trailer, and it locks into place. No extra steps. No hassle. The cone-shaped coupler design also makes alignment easy, helping reduce frustration when connecting. Upgrade your gooseneck with the Defender and enjoy secure, smooth, and reliable towing every trip.