Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​
Sign In / EnrollGet rewarded!
​
Halloween
Pet
Lawn & Garden
Truck & Automotive
Sporting Goods
Horse
Farm & Ranch
Clothing
Livestock
Pet & Animal Pharmacy
Tools
Poultry
Fencing & Gates
Home Improvement
Outdoor Living
Heating & Cooling
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Trailers & Towing
  4. /
  5. Hitches & Ball Mounts
  6. /
  7. Trailer Hitch Accessories
  8. /
  9. Gooseneck Hitch Accessories
  10. /

  11. B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000

  1. Home
  2. /
  4. /
  5. Gooseneck Hitch Accessories

B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000

Shop all B&W

  • Limited Time Deal

B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000

Item # 190199299

B&W B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000
B&W B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000
$197.99

Sale

$219.99

Save$2200(10%)

Add this item to unlock free delivery!

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all B&W

  • Limited Time Deal

B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000

Item # 190199299

B&W B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000
B&W B&W Gooseneck Trailer Hitch King Pin, for Use with B&W Turnoverball, GNXA4000

$197.99

Sale

$219.99

Save$2200(10%)

financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

Add this item to unlock free delivery!

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

This B&W Gooseneck Trailer Hitch King Pin converts your Turnoverball to an in-bed kingpin, allowing you to tow your trailer with an inverted fifth-wheel hitch. Simply replace your Turnoverball with this kingpin, and you are ready to tow. Made in USA.

  • Trailer hitch adapter converts your B&W Turnoverball gooseneck hitch to an in-bed king pin
  • Made In USA
  • Powder Coat Finish
  • SAE J-2638 CERTIFIED
BrandB&W
Country of OriginMade in USA
CompatibilityB&W Turnover Gooseneck hitches
Accessory TypePins
Package Quantity1
Primary ColorGray
Primary MaterialSteel
Product Height9.5 in.
Product Length12.25 in.
Product Weight19.8 lb.
Product Width12.25 in.
WarrantyLifetime Limited Warranty
Manufacturer Part NumberGNXA4000
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Top Rated
    B&W Gooseneck Trailer Hitch Hole Cover, For Use with Turnoverball
    5.0 out of 5 stars with 9 reviews
    5.0 (9)

    B&W Gooseneck Trailer Hitch Hole Cover, For Use with Turnoverball

    $16.19
    Was $17.99Save $1.80
  2. B&W Gooseneck Trailer Hitch Hole Cover, for Use with Turnoverball, GNXA1710
    4.0 out of 5 stars with 2 reviews
    4.0 (2)

    B&W Gooseneck Trailer Hitch Hole Cover, for Use with Turnoverball, GNXA1710

    $16.19
    Was $16.99Save $0.80
  3. B&W Turnoverball Gooseneck Trailer Hitch 3 in. Ball, GNXA2025
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Turnoverball Gooseneck Trailer Hitch 3 in. Ball, GNXA2025

    $197.99
    Was $199.99Save $2.00
  4. B&W Gooseneck Trailer Hitch Hi-Rise 2-5/16 in. Ball
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Gooseneck Trailer Hitch Hi-Rise 2-5/16 in. Ball

    $161.99
    Was $179.99Save $18.00
  5. B&W Turnoverball 4 in. Extender, GNXA4085
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Turnoverball 4 in. Extender, GNXA4085

    $197.99
    Was $219.99Save $22.00
  6. B&W Gooseneck Trailer Hitch Head Replacement Center Section for GNRK1116, GNRC816
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Gooseneck Trailer Hitch Head Replacement Center Section for GNRK1116, GNRC816

    $404.99
  7. Top Rated
    B&W Gooseneck Trailer Hitch Flatbed Kit Multi-Fit 2 5/16 in. Under Bed Stow-A-Way Ball
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    B&W Gooseneck Trailer Hitch Flatbed Kit Multi-Fit 2 5/16 in. Under Bed Stow-A-Way Ball

    $224.99
    Was $249.99Save $25.00
  8. B&W Extend-A-Goose Coupler, TEXA4200
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Extend-A-Goose Coupler, TEXA4200

    $431.99
    Was $479.99Save $48.00
  9. B&W Turnover Ball 4 in. Extender with 2-5/16 in. Ball
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Turnover Ball 4 in. Extender with 2-5/16 in. Ball

    $197.99
    Was $229.99Save $32.00
  10. B&W 2-5/16 in. Gooseneck Ball Trailer Hitch Kit with Chain Anchors and Case, 30,000 lb. Capacity, GNXA2062
    4.3 out of 5 stars with 6 reviews
    4.3 (6)

    B&W 2-5/16 in. Gooseneck Ball Trailer Hitch Kit with Chain Anchors and Case, 30,000 lb. Capacity, GNXA2062

    $379.99
  11. B&W 2-5/16 in. Gooseneck Ball Trailer Hitch Kit with Chain Anchors and Case, 30,000 lb. Capacity, GNXA2061
    4.6 out of 5 stars with 18 reviews
    4.6 (18)

    B&W 2-5/16 in. Gooseneck Ball Trailer Hitch Kit with Chain Anchors and Case, 30,000 lb. Capacity, GNXA2061

    $379.99
  12. CURT Replacement Gooseneck Hitch Cap, 66155
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Replacement Gooseneck Hitch Cap, 66155

    $9.99

Items You May Like

  1. Wallace Forge Gooseneck King Pin Ball Fifth Wheel Adapter
    4.2 out of 5 stars with 9 reviews
    4.2 (9)

    Wallace Forge Gooseneck King Pin Ball Fifth Wheel Adapter

    $185.39
    Was $205.99Save $20.60
  2. Top Rated
    HUSKY Gooseneck Trailer Hitch Ball, for Chevy, GMC, Ford, Nissan, and RAM with OEM Towing Package, 33055
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    HUSKY Gooseneck Trailer Hitch Ball, for Chevy, GMC, Ford, Nissan, and RAM with OEM Towing Package, 33055

    $129.99
  3. Top Rated
    CURT 2-5/16 in. 30,000 lb. Capacity OEM Puck System Gooseneck Kit for Ram
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    CURT 2-5/16 in. 30,000 lb. Capacity OEM Puck System Gooseneck Kit for Ram

    $248.95
  4. Top Rated
    CURT OEM Puck System 2-5/16 in. Gooseneck Kit, Chevrolet, Ford, GMC, Nissan (30K)
    4.9 out of 5 stars with 7 reviews
    4.9 (7)

    CURT OEM Puck System 2-5/16 in. Gooseneck Kit, Chevrolet, Ford, GMC, Nissan (30K)

    $248.95
  5. B&W 3 in. Receiver Hitch Silencer, TS35043
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W 3 in. Receiver Hitch Silencer, TS35043

    $42.99
  6. CURT Replacement Round Bar Weight Distribution Head with Integrate Lubrication, 17075
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Replacement Round Bar Weight Distribution Head with Integrate Lubrication, 17075

    $117.40
  7. B&W Tow & Stow Dual Ball Adjustable Ball Mount, 7-1/2 in. Drop, 7 in. Rise, TS30040B
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    B&W Tow & Stow Dual Ball Adjustable Ball Mount, 7-1/2 in. Drop, 7 in. Rise, TS30040B

    $439.99
  8. Top Rated
    B&W 5/8 x 5.25in. Tow and Stow Stainless Steel Hitch Pin
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    B&W 5/8 x 5.25in. Tow and Stow Stainless Steel Hitch Pin

    $17.99
    Was $19.99Save $2.00
  9. CURT Universal 5th Wheel Base Rails, 25K, Gloss Black, 16104
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Universal 5th Wheel Base Rails, 25K, Gloss Black, 16104

    $124.95
  10. Top Rated
    Wallace Forge Forged King Pin, 3/8 in. Bolster
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Wallace Forge Forged King Pin, 3/8 in. Bolster

    $72.89
    Was $80.99Save $8.10
  11. Top Rated
    B&W 2-1/2 in. Receiver GM Multi-Pro Class V Dual Ball Trailer Hitch Mount, 7 in. Drop, 14,500 lb. Capacity
    5.0 out of 5 stars with 5 reviews
    5.0 (5)

    B&W 2-1/2 in. Receiver GM Multi-Pro Class V Dual Ball Trailer Hitch Mount, 7 in. Drop, 14,500 lb. Capacity

    $431.99
    Was $479.99Save $48.00
  12. Top Rated
    CURT 25,000 lb. Capacity Bent Plate 5th Wheel Rail Gooseneck Hitch with 2-5/16 in. Ball, 3 in. Offset
    5.0 out of 5 stars with 4 reviews
    5.0 (4)

    CURT 25,000 lb. Capacity Bent Plate 5th Wheel Rail Gooseneck Hitch with 2-5/16 in. Ball, 3 in. Offset

    $236.07

Customers Also Bought

  1. HUSKY Gooseneck Trailer Hitch Accessory Kit for Use with RAM OE Puck System, 33215
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    HUSKY Gooseneck Trailer Hitch Accessory Kit for Use with RAM OE Puck System, 33215

    $259.99
  2. HUSKY Gooseneck Trailer Hitch Accessory Kit For Use With Chevy, Ford, GMC, and Nissan OE Puck System
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    HUSKY Gooseneck Trailer Hitch Accessory Kit For Use With Chevy, Ford, GMC, and Nissan OE Puck System

    $259.99
  3. CURT Replacement Gooseneck Hitch Cap, 66165
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Replacement Gooseneck Hitch Cap, 66165

    $9.99
  4. GEN-Y Hitch 3/4 in. Gooseneck Coupler Pin 5.25 in. Useable Length & Twist Clip, GH-098
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    GEN-Y Hitch 3/4 in. Gooseneck Coupler Pin 5.25 in. Useable Length & Twist Clip, GH-098

    $17.99
    Was $19.99Save $2.00
  5. CURT Replacement Folding Ball Gooseneck Hitch T-Handle
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Replacement Folding Ball Gooseneck Hitch T-Handle

    $14.99
  6. CURT Gooseneck Hitch Isolator Film for Aluminum Truck Beds
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Gooseneck Hitch Isolator Film for Aluminum Truck Beds

    $13.49
    Was $14.99Save $1.50
  7. Buyers Products Fabricators Kit for Flatbeds, 2-5/16 in. Ball for Adding Gooseneck Hitches
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Buyers Products Fabricators Kit for Flatbeds, 2-5/16 in. Ball for Adding Gooseneck Hitches

    $289.99
  8. Carry-On Trailer 25K lb. Capacity Gooseneck Hitch Plate with 2-5/16 in. Ball, 42 in. x 13-1/2 in.
    4.4 out of 5 stars with 74 reviews
    4.4 (74)

    Carry-On Trailer 25K lb. Capacity Gooseneck Hitch Plate with 2-5/16 in. Ball, 42 in. x 13-1/2 in.
  9. Top Rated
    CURT 2-5/16 in. Double Lock Gooseneck Ball, 30,000 lb. Capacity
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    CURT 2-5/16 in. Double Lock Gooseneck Ball, 30,000 lb. Capacity

    $86.76
  10. CURT Under-Bed Gooseneck Installation Brackets, Select Ford F-150, F-250, F-350
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Under-Bed Gooseneck Installation Brackets, Select Ford F-150, F-250, F-350

    $274.49
    Was $314.99Save $40.50
  11. CURT Under-Bed Gooseneck Install Brackets, Select Silverado, Sierra 1500, 2500, 3500
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    CURT Under-Bed Gooseneck Install Brackets, Select Silverado, Sierra 1500, 2500, 3500

    $287.99
    Was $329.99Save $42.00
  12. Top Rated
    CURT Over-Bed Gooseneck Installation Brackets, Select Silverado, Sierra 2500, 3500 Hd
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    CURT Over-Bed Gooseneck Installation Brackets, Select Silverado, Sierra 2500, 3500 Hd

    $274.49
    Was $314.99Save $40.50

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.