Technical fitment chart for the Andersen Hitches Gen 3 Ultimate Connection Coupler Tube, illustrating various tube lengths for connecting a 5th-wheel hitch base to a gooseneck ball. The infographic provides measurement specifications for the 3220, 3220-TBX, 3221, and 3221-TBX models, featuring 8", 10", 12", and 14" tube options. It includes critical height clearances for balls positioned above or below the truck bed line, ensuring a precise and level towing setup for diverse pickup truck configurations.

ULTIMATE CONNECTION SQUARE COUPLER TUBE WITH HARDWARE (GOOSENECK MOUNT ONLY)

In stock

SKU: 3222-8

$71.98

Tube Length 8" 10" 12" 14"

Replacement Square Coupler Tube for Gooseneck-Mounted Ultimate 5th Wheel Connection

The Ultimate Connection Square Coupler Tube with Hardware is a direct replacement component designed for the gooseneck-mounted Andersen Ultimate 5th Wheel Connection. This square coupler tube serves as the structural link between the hitch base and the trailer coupler assembly, ensuring proper alignment and secure load transfer during towing.

Engineered specifically for gooseneck mount versions of the Ultimate Connection, this replacement coupler tube maintains the strength, geometry, and performance required for safe 5th wheel towing.

What does the Square Coupler Tube with Hardware do?

Precision-fit square tube design for structural integrity
Maintains proper hitch alignment and load distribution
Includes required hardware for secure installation
Built for heavy-duty 5th wheel towing performance

How the Square Coupler Tube Works

Inserting pin into coupler tube in Andersen Hitches Ultimate 5th Wheel Connection.

The square coupler tube connects the Andersen Ultimate 5th Wheel Connection base assembly to the trailer-side coupler housing. In gooseneck-mounted configurations, this component plays a critical role in maintaining vertical load transfer and proper hitch geometry.

When installed correctly, the coupler tube ensures that the trailer weight is distributed through the Ultimate Connection system as designed. Replacing a worn or damaged coupler tube restores structural stability and helps maintain smooth, predictable towing performance.

Note: Because this version is specifically for gooseneck mount systems, it is not intended for rail-mounted Ultimate models.

More Compatible Accessories for the Ultimate 5th Wheel Connection

3219 Andersen Bed Shaft 2048x. The definitive way to create a strong, fast connection between your Ultimate 5th Wheel Connection gooseneck mount base and your factory OEM ball system.

Anti Slip Kit for Ultimate. The best way to provide extra grip between the Ultimate Connection and the bed of the truck, all while protecting the bed from potential scratches.

Andersen Bed Shaft

The Andersen Bed Shaft creates a strong, fast connection between your Ultimate 5th Wheel Connection gooseneck mount base and your factory OEM ball system.

Fits into the OEM Ball System
Ultimate Connection Gooseneck Mount connects to the bed shaft, similar to gooseneck balls

Ultimate Connection Square Coupler Tube FAQ

Is this coupler tube compatible with rail-mounted Ultimate models?

No. This version is designed specifically for gooseneck-mounted Ultimate Connection systems only.

Does this product include installation hardware?

Yes. The Square Coupler Tube includes the required hardware for secure installation on compatible gooseneck Ultimate models.

When should I replace my coupler tube?

Replacement is recommended if the tube shows signs of excessive wear, damage, deformation, or corrosion that could compromise hitch alignment or strength.