Extend-a-Goose Offseet 10" Trailer Coupler by B & W #4200


The B&W Extend-A-Goose coupler is a great addition for short bed trucks. This gooseneck extender offsets the trailer 10" for more turning radius. Designed with a Funnel shapped coupler for eisier hook-ups and heavy wall tube with internal gussets to provide maximum strengh. It fits all standard 4" I.d. Round trailer tubes and allows the use of a padlock for theft prevention while maintaining a sleek oem apperance.

Features and Benefits

Tech Specs

Weight: 50.00 lbs.
Universal Fit Product: May not fit all vehicles, please contact us if you have questions about fitment

Customer Questions & Answers

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can you use a 4 inch gooseneck extender with a Extend-a -goose coupler/
Yes you can use the 4" Gooseneck extender with a goose coupler.


  • 5.0 out of 1 Overall
  • 100% reviews recommend this product
Review Product
Great replacment part made a big difference.
This replacement hitch made a big different on my mega cab dodge dully. With the short be it was hard to make sharp turns. With this and the 4" extend using them together I can now turn over 9o degrees.
Recommend this Product: YES
Dodge, Ram 3500 Mega Cab
– Value
– Quality
– Installation