B&W Trailer Hitches Weight Distribution Hitch Kit – WDHK4503

2-1/2″ Shank | 2-5/16″ Ball | Underslung Trailer Coupler

Take your towing stability and control to the next level with the B&W WDHK4503 Weight Distribution Hitch Kit, engineered specifically for trailers using an underslung coupler setup. Built with B&W’s game-changing Continuum™ Technology, this hitch delivers a smoother, quieter, and more controlled towing experience compared to traditional bar-style systems.

Designed for heavy-duty trucks with a 2.5″ receiver, the WDHK4503 provides excellent load leveling, improved sway control, and smoother ride comfort—making it ideal for travel trailers, cargo haulers, and utility trailers equipped with an underslung (bottom-mount) coupler. The kit includes a high-strength 2-5/16″ hitch ball, fully integrated with the Continuum™ system for maximum durability and convenience.

Key Features

• Complete Continuum™ Hitch System – Includes premium head assembly and advanced load bar unit engineered for underslung trailer couplers.

• Heavy-Duty 2.5″ Shank – Designed for high-capacity towing and larger tow vehicles.

• 2-5/16″ Hitch Ball Included – Factory-installed for added strength and reliability.

• Optimized for Underslung Couplers – Perfect fit for bottom-mounted trailer coupler configurations.

• Smooth, Quiet Towing – Continuum™ technology provides a refined towing experience with less noise and harshness than traditional spring bars.

• Superior Sway Control – Enhances trailer stability in wind, traffic, and uneven terrain.

• Improved Weight Distribution – Levels your truck and trailer for better braking, steering, and control.

• Premium Construction – Made with B&W’s heavy-duty steel and corrosion-resistant finishes for long-term durability.

Why Choose the WDHK4503?

If your trailer uses an underslung coupler, the WDHK4503 is the ideal solution. This system is purpose-built to provide:

• Better trailer balance and smoother ride

• Reduced sway and bounce on the road

• Enhanced stopping power and steering control

• A quieter, less stressful towing experience

Whether towing a travel trailer or a heavy cargo hauler, this hitch ensures stability and confidence on every trip.

What’s Included

• Continuum™ Head Assembly

• Continuum™ Load Bar Unit (Underslung setup)

• 2-5/16″ Hitch Ball

• Heavy-Duty 2.5″ Shank

• All required mounting components

Perfect For

• Trailers with underslung (bottom-mount) couplers

• Heavy-duty trucks with a 2.5″ receiver

• Travel trailers, equipment trailers, cargo haulers, and more