Best Sway Bars for Trailers: 5 Options Compared

If you’ve ever felt your trailer start to fishtail on the highway, you know how unsettling trailer sway can be. A good sway bar system is your best defense, helping keep your rig stable and your journey safe.

This guide compares five top-rated sway bars for trailers, from complete weight distribution hitches to essential replacement parts. We’ll break down the features, pros, and cons of each to help you find the perfect match for your towing setup.

CURT 17062 MV Round Bar Weight Distribution Hitch

The CURT 17062 MV Round Bar Weight Distribution Hitch is a complete system designed to level your tow vehicle and trailer by redistributing tongue weight. It comes with the sway control kit #17200, which actively reduces trailer sway for a more stable ride. The grease zerk fitting allows for easy, continuous lubrication, ensuring smooth operation over time.

This hitch handles up to 10,000 lbs., making it suitable for many travel trailers and campers. The 2-inch shank and 2-5/16-inch ball are standard sizes for most setups. While the sway control kit is included, you’ll need to apply grease to the zerk regularly to keep it working properly. Overall, it’s a reliable, integrated solution for reducing sway and improving towing comfort.

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• Levels tow vehicle and trailer by redistributing a portion of the tongue weight
• Includes sway control kit #17200 to help reduce trailer sway
• Grease zerk fitting provides easy, continuous lubrication
• Grease must be applied to the zerk in order to lubricate
• Equipped with round, forged steel spring bars for reliable strength

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Dollate Weight Distribution Hitch with Sway Control Bar

The Dollate Weight Distribution Hitch with Sway Control Bar is built for heavy-duty towing, with a rated capacity of 14,000 lbs. It cleverly balances weight between your trailer and tow vehicle, improving control and steering. The spring bar and other components work together to offset trailer sway, giving you a more confident towing experience.

Installation is simplified thanks to the pre-installed ball on the distribution hitch head. The solid engineering and sturdy construction provide reliable strength for large travel trailers and campers. While the pre-installed ball saves time, it may limit your ability to swap balls for different trailer couplers. Overall, this kit offers excellent value for those needing high capacity and integrated sway control.

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• Optimized Weight Distribution: The weight distribution hitches kit can cleverly balance the weight distribution between the trailer and the towing vehicle, improve the vehicle's steering and braking performance, reduce control difficulties, keep the trailer stable during driving, and reduce swaying, thereby bringing the driver a smoother and more comfortable travel experience.
• Reduce Sway: The spring bar and other devices in the weight distribution hitches with sway control bar can effectively offset the sway of the trailer during towing by increasing resistance, thereby significantly improving riding comfort and driving safety. It is an indispensable auxiliary device for RV and trailer users on long-distance travel.
• Excellent Towing Performance: With its excellent engineering design and solid structure, the towing weight distribution hitch demonstrates reliable towing strength, with a rated towing capacity of up to 14,000 pounds, which can easily cope with the towing needs of heavy trailers or RVs. At the same time, the tongue weight of up to 1,200 pounds ensures a stable connection during towing.
• Easy To Install: The ball on the distribution hitch head is pre-installed, greatly reducing assembly time and complexity. The square handle has 6 holes for quick adjustment according to different trailer height requirements, ensuring a perfect match between the towing vehicle and the trailer.
• Premium Materials: The travel trailer sway bars stabilizing kit is carefully crafted with sturdy and durable premium materials, and the surface is covered with anti-rust and anti-corrosion coating, which enables it to be used in extremely harsh traction environments, and is an indispensable and practical accessory for outdoor travel and camping activities.

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FAHKNS Weight Distribution Hitch with Sway Control Bar

The FAHKNS Weight Distribution Hitch with Sway Control Bar is designed for heavy loads, with a rated towing capacity of up to 14,000 lbs. It accurately coordinates weight distribution between your trailer and tow vehicle, improving control and steering. The included sway control lever and spring bars effectively reduce the sway and wobbling that can occur during towing.

One standout feature is the 6 height adjustments, which let you fine-tune the hitch angle for different tow vehicles and trailer heights. This adjustability makes it versatile for various setups. The sturdy construction ensures reliable performance, though the unit is a bit heavier than some alternatives. For those towing large RVs or campers, this kit provides the strength and adjustability you need.

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• Strong Traction: This weight distribution hitch is sturdy and well-designed, with a rated towing capacity of up to 14,000 lbs. This means that even when towing a heavy trailer or a large RV, the towing process can be ensured to be smooth. In addition, the anti sway bars for trailers also has a towing tongue weight of up to 1,200 lbs, which can effectively prevent the trailer from being unstable during driving, thereby ensuring the stability and security of the towing connection.
• Balanced Weight: The weight distribution hitches with sway control can accurately coordinate the weight distribution of the trailer and the tractor, improve the control and steering sensitivity of the vehicle, and reduce the difficulty of operation. It can ensure that the trailer remains stable during driving, reduce shaking, and improve driving operability.
• Reduce Wobbling: The towing weight distributing hitches is also equipped with a trailer sway control lever, spring bar and other components that can effectively reduce the sway problem when towing the trailer by increasing resistance, improving towing efficiency and safety. For RV and trailer users, this trailer sway control kit is undoubtedly an indispensable and practical accessory in towing work.
• 6 Height Adjustments: This rv sway bars for travel trailer takes user convenience into full consideration. The ball on the head is pre-installed, so users do not need to perform complicated assembly, saving time. In addition, the square handle of the trailer sway bar kit is designed with 6 holes at different heights, which users can adjust according to height requirements, improving installation efficiency and flexibility of use, and meeting the diverse needs of different users.
• Durable Material: This camper hitch with sway bars is made of durable alloy steel and is carefully crafted. It is covered with a rust-proof and anti-corrosion coating, which can effectively resist erosion in various harsh weather conditions. Whether it is windy, sunny, or humid environments, the trailer anti sway control can show excellent durability. This camper sway bar kit can provide reliable protection for your outdoor adventures, and you can also enjoy a convenient towing experience.

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CURT 17201 Trailer-Mounted Sway Control Ball

The CURT 17201 Trailer-Mounted Sway Control Ball is a simple but essential component for adding sway control to your trailer. It attaches directly to your trailer frame, providing a mounting point for the CURT sway control unit #17200. The strong steel construction and durable powder coat finish ensure it withstands the elements.

Installation is straightforward, with four self-tapping bolts included. You’ll need to drill pilot holes and secure the ball to your trailer’s A-frame. This ball is ideal if you already have a CURT weight distribution hitch or plan to add a separate sway control unit. It’s a cost-effective way to add sway control to an existing setup, though it does require a separate purchase of the sway control unit itself.

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• Attaches directly to trailer frame for attachment of sway control #17200
• Strong steel construction
• Comes with four self-tapping bolts for easy installation
• Protected by a durable powder coat finish
• Some drilling required

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CURT 40093 Replacement Trailer Sway Control Ball

The CURT 40093 Replacement Trailer Sway Control Ball is a hitch-mounted attachment ball designed for the CURT sway control unit #17200. It features a 5/8-inch diameter shank that fits most weight distribution hitches or the CURT sway tab ball mount #45820. The high-strength steel and chrome-plated finish provide excellent durability and corrosion resistance.

This ball is specifically for use with CURT’s sway control system, which helps reduce lateral trailer movement. It’s a replacement part, so you’ll need the sway control unit and a compatible mount to use it. If you already own a CURT sway control setup, this ball is a reliable replacement that keeps your system working effectively. It’s a simple, well-made component that does its job without fuss.

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• Hitch-mounted attachment ball for the CURT sway control unit #17200
• 5/8-inch diameter shank fits most weight distribution hitches or the CURT sway tab ball mount #45820 or weld-on sway tab #45822
• Sway control helps reduce lateral trailer movement (sold separately)
• Constructed from high-strength steel and protected by a durable chrome-plated finish
• Zinc-plated hex nut and helical lock washer for secure mounting

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Buyer’s Guide: What to Consider

Choosing the right sway bar for your trailer means balancing weight capacity, ease of installation, and your specific towing setup. Here are the key factors to consider.

• Weight Capacity: Ensure the sway bar's weight rating matches or exceeds your trailer's gross weight and tongue weight for safe towing.
• Kit vs. Component: Some kits include all hardware (ball, shank, spring bars) for a complete setup, while others require separate purchases.
• Ease of Installation: Look for pre-installed parts, clear instructions, and tools included to simplify the installation process on your vehicle.
• Sway Control Mechanism: A sway control lever or friction-type bar actively reduces lateral movement, while weight distribution alone helps stability.
• Adjustability: Adjustable shank height and spring bar positions let you fine-tune the hitch angle for different tow vehicles and trailer heights.

Conclusion

Choosing the right sway bar for your trailer comes down to your specific towing needs and budget. For a complete, integrated system with proven reliability, the CURT 17062 is a top choice. If you need a high-capacity kit with easy installation, the Dollate or FAHKNS models offer excellent value.

For those who already own a CURT sway control unit, the CURT 17201 and 40093 balls are essential components. Whichever you choose, a quality sway bar will make your towing experience safer and more comfortable.