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Replacement Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 20"

Replacement Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 20"

Item # BD0233100300
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BD0233100300 - Outer Tube Bulldog Gooseneck Coupler
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Replaces the round outer tube for your Bulldog gooseneck coupler. Welds directly to trailer. Includes round, 20" long, outer coupler tube and 2 set bolts. 1-636-306-4830 to order Bulldog accessories and parts part number BD0233100300 or order online at Free expert support on all Bulldog products. Guaranteed Lowest Price and Fastest Shipping for Replacement Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 20". Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (6)
  • Q & A (0)
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  • Why etrailer?

Bulldog Accessories and Parts - BD0233100300

  • Gooseneck Coupler
  • Outer Tube
  • Bulldog

Replaces the round outer tube for your Bulldog gooseneck coupler. Welds directly to trailer. Includes round, 20" long, outer coupler tube and 2 set bolts.


  • Replaces a round, weld-on outer tube for your gooseneck coupler
  • Fits the following couplers:
    • BD0289500300
    • BD0289500300
    • BD1289030300
    • BD1289040300
    • BD1289070300
    • BD1289080300
  • Welds directly to trailer
  • Includes weld-on outer tube and 2 set bolts
    • Outer tube is 20" long
    • Grade 5 set bolts are 3/4" - 10 x 2"

0233100300 Replacement Bulldog Goose Neck Coupler Round Outer Tube - Round - Weld-On - 20"

California residents: click here

Customer Reviews

Replacement Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 20" - BD0233100300

Average Customer Rating:  5.0 out of 5 stars   (6 Customer Reviews)

Replaces the round outer tube for your Bulldog gooseneck coupler. Welds directly to trailer. Includes round, 20" long, outer coupler tube and 2 set bolts.


Just as advertised. the adjusting bolts are very heavy duty. It’s gonna work great with an Extend a goose hitch that etrailer carries as well. The hole for the pin on this is exactly the same diameter as holes in The extenda goos

This outer part of the hitch is not painted and raw steel but Has to be welded in anyway. Once installed will prime and paint it


Priced right and delivered a day early, couldn't locate the item locally but once again etrailer had exactly what I needed.


Great and fast service! Highly recommend etrailer everyone.

Steve H - 04/15/2018


Has worked just as expected, no surprises or faulty workmanship.


Fast shipping! Great product!



See what our Experts say about this Bulldog Accessories and Parts

  • Outer Tube Diameter of Bulldog Gooseneck Coupler Outer Tube
    The Replacement Bulldog Gooseneck Coupler Outer Tube # BD0233100300 has an outer diameter of 4-1/2 inches and is 20 inches long. It is the replacement outer tube for a number of Bulldog Gooseneck Couplers such as # BD0289500300 which has an inner tube of 4 inches.
    view full answer...
  • Can I use the Bulldog Gooseneck Coupler without using the Side Holes?
    Yes, you can use the Bulldoge Gooseneck Coupler, # BD0287610300, with just the set screws on your trailer. The pre-cut holes on this coupler are specifically for Bulldog's outer tube assembly, # BD0233100300, that can be welded to your trailer in place of your existing tube, but it is not a requirement to use the inner tube with your existing setup. Bulldog created this feature for an added safety benefit. In fact, you wouldn't want to line up your set screws with the existing holes because...
    view full answer...
  • Can Bulldog Outer Tube # BD0233100300 Fit with Inner Cushioned Coupler # CG
    The # CG is the correct size to fit in the outer tube part # BD0233100300 that you also referenced although the # CG does not come with a load bearing pin. Using the set screws of the # BD0233100300 would secure the # CG properly though.
    view full answer...
  • Is the Bulldog Gooseneck Coupler Outer Tube Compatible with the B&W Extend-A-Goose
    Yes, the Replacement Bulldog Gooseneck Coupler Outer Tube # BD0233100300 will work with the B&W Extend-A-Goose Gooseneck Coupler # BWTEXA4200. The B&W Extend-A-Goose Gooseneck Coupler # BWTEXA4200 has a 4" diameter and the Replacement Bulldog Gooseneck Coupler Outer Tube # BD0233100300 works with couplers than have a 4" diameter.
    view full answer...
  • 9 Inch Offset Extended Square Gooseneck Coupler Compatibility with 3 Car Trailer
    Using an offset coupler depends on the weight capacity. You can absolutely use a 9 inch offset coupler if it can handle the capacity of your 3 car trailer. We do not carry a square offset coupler, so I can't give you the part you are seeking. The only offset gooseneck coupler we currently have is the B&W Extend-A-Goose Gooseneck Coupler - 2-5/16" Ball - 10" Offset - 24,000 lbs # BWTEXA4200. This adapter will work with a trailer that has up to that 24K capacity. Unfortunately it is...
    view full answer...
  • Gooseneck Adapter Needed For Round Gooseneck Hitch Ball
    It sounds like you are seeking the Gooseneck coupler so I've linked the page to all the complete coupler options. If you just want the outer coupler tube with the bolts, then we have the Replacement Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 20" # BD0233100300 and Bulldog Gooseneck Coupler Outer Tube - Round - Weld On - 4-1/2" Diameter # BD0233010300 available separately. Both are a 4-1/2 inch outer diameter and compatible with a 4 inch outer diameter inner coupler tube.
    view full answer...
  • Gen-Y Pegasus Gooseneck Coupler With 11 Inch Offset for Square Tube
    Gen-Y does offer some Spartan Couplers for a square tube like the # 325-GH-7072, but it only has a 5" offset. At this time, they do not offer a model with the greater offset for a square tube. In order to utilize the coupler with the 11" offset , I recommend replacing your square tube with a round tube like the # BD0233100300 Replacement Bulldog Gooseneck Coupler Outer Tube. This will require welding so I recommend hiring a professional welder who has experience with this type of work....
    view full answer...
  • Recommended Gooseneck Hitch to 5th Wheel King Pin for Horse Trailer and Short Bed Truck
    For your 2003 Silverado 2500 with 6 foot bed and gooseneck hitch, I recommend the Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter w/ Offset - 12" to 16" Tall # CAB-C5GX1216. There unfortunately isn't a better option for the offset you need for best turning clearance and you may still have some restrictions based on the placement of that king pin. The Demco Recon Gooseneck-to-5th Wheel Trailer Hitch Adapter - Single Jaw - 21,000 lbs # DM8550045 is a great option if you only need...
    view full answer...
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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Rachael H
Written by:
Rachael H
Employee Randy B
Installed by:
Randy B
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Zach D
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