1. Trailer Hitch Ball
  2. B and W
  3. Gooseneck Hitch Ball
  4. 2-5/16 Inch Diameter Ball
  5. Turnover Ball
  6. 20000 lbs GTW
4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches

4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches

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Retail:$247.44
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Trailer Hitch Ball
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Shipping Weight: 19 lbs
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4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches 20000 lbs GTW BWGNXA4085
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Designed for use with B&W's Turnoverball gooseneck hitch, this ball extender moves the pivot point of your trailer 4" rearward to provide additional cab clearance. Lowest Prices for the best trailer hitch ball from B and W. 4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches part number BWGNXA4085 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
  • All Info
  • Reviews (126)
  • Q & A (164)
  • Photos
  • Why etrailer?

B and W Trailer Hitch Ball

  • Gooseneck Hitch Ball
  • 2-5/16 Inch Diameter Ball
  • Turnover Ball
  • 20000 lbs GTW
  • B and W
  • Powder-Coated Steel
  • 4 Inch Offset

Designed for use with B&W's Turnoverball gooseneck hitch, this ball extender moves the pivot point of your trailer 4" rearward to provide additional cab clearance.


Features:

  • Extension provides 4" of additional space between your truck's cab and your gooseneck trailer
  • Works with all B&W Turnoverball gooseneck trailer hitches except for the following:
    • For Toyota Tundra applications use BWGNXA4585
    • For Dodge Ram 1500 applications use BWGNXA4685
  • Square ball base prevents ball from turning in hitch during hookup
  • Powder coated steel resists corrosion
  • Made in the USA


Specs:

  • Ball size: 2-5/16"
  • Offset: 4"
  • Weight capacity: 20,000 lbs
  • Vertical load limit: 5,000 lbs
  • Distance from center of locking pin hole to bottom of square base: 2"


4


GNXA4085 B and W Turn Over Ball Gooseneck 4" Hitch Ball Extender

Item # BWGNXA4085




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Customer Reviews

4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches - BWGNXA4085

Average Customer Rating:  4.8 out of 5 stars   (126 Customer Reviews)

Designed for use with B&W's Turnoverball gooseneck hitch, this ball extender moves the pivot point of your trailer 4" rearward to provide additional cab clearance.

- BWGNXA4085
by:

I haven’t used it yet, I am concerned about it being about 3/4” off the bed. I am thinking about pupping a spacer between it and the bed. Worried about it bending


Comments
Thanks for your review. This gap is normal since it fits a few different vehicles. It is safe and should not bend. You can put a washer there for peace of mind, but as long as you do not go over the weight capacity, it is not necessary.
-- Etrailer Expert Sierra K - 03/17/2021


- BWGNXA4085
by:

This hitch extender fit in perfectly. The height and 4 inches of movement really helped the gooseneck trailer to have more clearance. Thank you etrailer for having this BW 4 inch extension.



- BWGNXA4085
by:

Fast shipping... The B&W 4in extension hitch ball is really good. I have used it a couple of times works great wish I had gotten one sooner. Problem I had was in a newer 2500hd the gooseneck was to close to toolbox and really close to rear window. With this extender ball problem is solved...



- BWGNXA4085
by:

Hauled at 20,000 at least once a week. Iv got a long box but I needed to clear a fuel tank pump with my 5th wheel but hooked up with a flatbeds hauled from San Diego to Washington. Paint of course on the ball is rubbed off and in the sleve is a little warn but otherwise after a year I'm satisfied and would buy another. I had my doubts at first but now I'm impressed. It's a stout product. I'd recommend this to anyone



- BWGNXA4085
by:

High Quality, Heavy duty 4” offset ball mount that works perfectly with the B&W turnover gooseneck hitch system. Adapted my 30’’ fifth wheel trailer with the Ranch regular gooseneck adapter—now no more heavy lifting and lots more room in the truck bed.



- BWGNXA4085
by:

I am so impressed with the personnel and the shipment time. I placed my order on 02/08/21 and received my order today 02/10/21. Awesome response from e trailer. It has been a rainy day here In Virginia and I have not gotten to install and try out my 4” goose neck hitch extension. I will respond further with details and pictures after I get it installed in my B&W hitch.



- BWGNXA4085
by:

I have used the B & W 4" offset ball extention for about one year. It does what I needed it to do - move the fifth wheel back a little in order to stand behind an opened tailgate on my pickup while hooked up. I considered it a necessity with the Reese Goosebox I installed on my 2017 Chevy Silverado 3500. PROs: Fit very well in the bed of the truck. Moved the fifth wheel back a little so I could access the back of the truck with the tailgate open. Also raised the fifth wheel up just a little to provide more clearance from the bed rails to the bottom of the fifth wheel overhang. This extention is really heavy duty and is made out of thick steel. CONs: It is heavy, which is to be expected. The paint almost immediately came off the welded on hitch ball. I grease the ball with every usage and paint chips still come off the hitch ball and in to the receiver tube of the Reese Goosebox. I would buy this again, as it seems to be the only product on the market to extend the hitch back on the B & W hitches.



- BWGNXA4085
by:

Great product, and perfect fit. Gave me the perfect offset that I needed to keep my trailer from hitting the cab. Highly recommend if you have a short wheel base truck and pulling a deck over gooseneck trailer!



- BWGNXA4085
by:

this offset ball has helped towing my fifth wheel, keeping it away from the truck cab when turning or backing tight. I would highly recommend this.



- BWGNXA4085
by:

I use this device to provide more clearance for the pin box on my 5th wheel toy hauler in conjunction with an Andersen hitch. It has eliminated the pin box hitting the rails of the pickup bed but enables me to keep the 5th wheel 4” further back from the cab—the cab would be 4” closer if I just reversed the Andersen mount.



- BWGNXA4085
by:

Truck tailgate was too close to horse trailer propane tanks when hooking up. This GN hitch extender gave me the clearance needed to hookup without raising tailgate before finishing the backing-up process.


Comments
Works to clear tailgate of propane tanks on trailer. Second extender Ive bought. First was for a Curt double lock pin. The original turnover would fall through to the pavement unless one person held the hitch while another locked it in place. The extender made it a one-person job.
Chuck - 02/21/2020



- BWGNXA4085
by:

This product works great for short bed truck. This product gives you more turning radius with out knocking your back window out. Truck is a 2500 Ram, pulling 42ft gooseneck.



- BWGNXA4085
by:

Works great , have made several trips and no problems at all .Have truck bed clearance on both sides and back.



- BWGNXA4085
by:

2 stars because of the height change of the ball. I think the description should include the height change.



- BWGNXA4085
by:

I have a 2005 F 250 crew cab short box. I changed from a 5th wheel for simplicity and ease of switching from a trailer to a slide in camper. So, this is all I have to remove in order to be able to put the camper on. I am getting older and this is just enough weight to carry around. The offset is perfect to jackknife the trailer. The towing with this set up is way better than the fifth wheel. Way more solid feeling and no clunking. I should have done this years ago.


Comments
Excellent. Like it - Will never go back to a fifth wheel.
Jim - 11/04/2018



- BWGNXA4085
by:

Works great to keep your tool box from getting smacked during a tight turn. It will also help save your tail gate. We pull a 28' living quarters horse trailer. The propane tanks, batteries and the spare hangs in front and limits your clearance when hooking up the trailer. This hitch gives you just enough extra room to back in during hitching with out crunching the gate.



- BWGNXA4085
by:

Worked great to clear bed rack....



- BWGNXA4085
by:

This extended ball was perfect it fit perfectly in the locking mechanism. I was informed when it shipped and had a follow up e-mail when it arrived. This is going to extent the ball in my truck back 4 inches and also lifts the ball up one inch which will allow me to back my truck up to our trailer with the tail gate down!!! Before I had to have it down then jump out and bring it up for final hook up which was a hassle. Thanks !!!!!!!!!



- BWGNXA4085
by:

This hitch worked just like advertised. It moved my camper away from the cab on my truck. This allowed me to make sharper turns and aided when backing into tight areas.


Comments
This product is still working great!
Chris - 02/20/2020



- BWGNXA4085
by:

I don't know why I didn't get this at the beginning. I've had this extender for a year. I purchased it right after hitting my cab when pulling my 42' toy hauler. Adding this gives me more turning ability and also holds the trailer a little higher than the standard ball. This gives more distance between my bed caps and the trailer. I now can take my trailer far more places without the stress of hitting the truck. Strongly recommend for anyone with a short bed.



- BWGNXA4085
by:

Love it! Have a short bed dodge diesel and this offset is a must have for our camper. Was a little concerned about putting off center pressure on my hitch but everything seems to be holding up well. Would definitely recommend to anyone with a short bed.


Comments
Well
CN - 06/16/2019



- BWGNXA4085
by:

Product works as it should. Well built and needed for short bed trucks!!



- BWGNXA4085
by:

Top notch customer service and fast shipping. Have been ordering from etrailer for years and will continue to do so.



- BWGNXA4085
by:

The off set ball works great for my 2008 Dodge Ram 3500 Mega Cab. I converted from a rail mounted sliding fifth wheel to a B&W hidden goose neck hitch. With the short bed, I was concerned about turning too short and the trailer hitting the truck cab. I have been able to make some very tight turns with no issues.



- BWGNXA4085
by:

I have a plastic bed liner in my truck and I was afraid it might affect the way it fit but it worked perfect. I haven't had a chance to pull the trailer with it yet but seems to fit great.


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Info for this part was:

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