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  • Monday to Friday: 7am - 10pm CST
  • Saturday: 8am - 8pm CST
  • Sunday: 8am - 10pm CST

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  • Saturday Dec 24th: 8am - 6pm CST
  • Sunday Dec 25th: Closed
  • Saturday Dec 31st: 8am - 6am CST

B&W Defender Locking Gooseneck Coupler

Product Information
Our Price: $289.99
Made in the USA
Choose Options
Ships Dec 6th - 7th
gnc4250 B&W Gooseneck Defender Locking Coupler
Part # GNC4250
  • Integrated lock
  • Automatic latch
  • Cone shaped coupler
Download Installation Instructions
Add to Cart
Ships Dec 6th - 7th


  • Integrated Lock: Push button keyed lock secures your investment with an integrated theft deterrent
  • Lock your trailer when coupled or uncoupled
  • Automatic Latch: Line up the ball, drop the trailer, and you're on the road
  • Cone Shaped Coupler: Makes lining up and hooking up your trailer easier
  • 25,000 lb. gross trailer weight / 7,500 lb. tongue weight
  • 4" ID Round
  • Limited lifetime warranty
  • Made in the USA - Humboldt, KS


If you have a gooseneck hitch you could probably use a B&W Defender Locking Gooseneck Coupler. The Defender is unlike any gooseneck trailer coupler on the market today. With unrivaled ease of use and security features built into the coupler, the Defender keeps your property safe and ensures easier towing.

The Defender Locking Gooseneck Coupler has an integrated lock, automatic latch, and a cone shaped coupler that makes lining up and hooking up your trailer easy as it can be. Tow with confidence - Tow safely - Tow with B&W - And remember to never exceed the tow ratings of your truck.

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The installation manual is clear cut and easy to read. For additional information, please call us toll free at 1-877-216-5446 or 701-253-5906.

Limited Lifetime Warranty

Your B&W Defender Locking Gooseneck Coupler comes backed by a limited lifetime warranty against any possible defects in either materials or workmanship. If you have any questions or would like to submit a warranty claim, please contact us at your convenience.