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1 800-951-3955

B&W Turnoverball Defender Locking Gooseneck Coupler Inner Tube Only GNC4250

Dealer Part: GNC4250
UPC: 843233002355

255.99 255.99 USD


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Pair this base assembly with an existing outer tube for a gooseneck coupler that latches and locks automatically. Built-in lock can be engaged when trailer is coupled and when trailer is unattached. Oversize, cone-shaped funnel eases hookup.


  • Sturdy inner tube pairs with existing outer tube to create an adjustable gooseneck coupler for hooking your trailer up to your truck
  • Cone-shape funnel makes it easy to guide ball into socket
  • Coupler engages as long as the ball is within 2" of the socket
  • Automatic latching mechanism for super simple hookup
  • Pull handle out and rotate up to open coupler
  • Line hitch ball up with coupler and lower trailer - internal latch automatically engages around ball
  • Built-in lock provides excellent security
  • Mechanical shutter helps keep dirt and debris out of cylinder
  • 2 Keys included
  • Sturdy steel construction
  • Heavy wall tubing exceeds industry standards
  • Black powder coat finish is corrosion resistant
  • Made in the USA

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