Best Sway Control Bars for Boat Trailers

Nothing ruins a day on the water faster than a trailer that sways and fishtails behind your truck. Wind gusts, passing semis, and uneven roads can all turn a routine tow into a white-knuckle experience. That is where sway control bars come in—they add friction and stability to your hitch setup, keeping your boat tracking straight and true.

This guide breaks down the top sway control bars and accessories for boat trailers, from complete kits to replacement pins and adapters. You will learn what each product does, what it works with, and how to choose the right one for your rig.

CURT 17200 Trailer Sway Control Kit – Reliable Stability

The CURT 17200 is a friction-style sway control kit that clamps onto your trailer tongue and attaches to your hitch. It is designed to limit lateral movement, which is exactly what you need when a gust hits your boat trailer on the highway. The kit fits most weight distribution hitches or a sway tab mount, and it includes a weld-on sway tab for use with standard ball mounts.

Installation is straightforward, and the included spacer plate ensures your trailer ball attaches at the correct angle. Once set up, you will notice a firmer, more controlled feel when towing, especially in crosswinds. This is a solid, no-frills choice for boaters who want dependable sway reduction without upgrading their entire hitch system.

View all product features

• Helps limit lateral trailer movement to reduce sway
• Fits most weight distribution hitches or a sway tab mount #45820
• Included weld-on sway tab allows for use with most ball mounts
• Spacer plate ensures proper alignment of trailer ball attachment
• Features adjustment bolt to accommodate different load sizes

---

Husky Towing 34715 Adjustable Sway Control Kit – Constant Control

The Husky Towing 34715 uses a dual friction brake pad system to provide constant, adjustable sway reduction. This is a big plus for boat trailers because water weight can shift during transit, and you want a system that adapts. It works with both round and trunnion style hitches, so it is versatile for different tow vehicles.

The kit comes complete with a tongue ball plate, crank handle, screws, spring clip, friction plate, and sway control ball—everything you need for installation. The adjustable tension lets you dial in the right amount of resistance for your specific trailer and driving conditions. If you tow in windy areas or frequently pass large vehicles, this kit gives you peace of mind.

View all product features

• Diminishes sway from windy conditions and passing vehicles
• Dual friction brake pad system provides constant and adjustable sway reduction
• Wroks with round and trunnion style hitches
• Comes complete with Tongue ball plate, crank handle, 8 screws, Spring clip, friction plate, sway control ball
• Right handed and left handed models

---

CURT 17063 Weight Distribution Hitch with Sway Control – Heavy Duty

The CURT 17063 is a full weight distribution hitch that also includes sway control, making it a two-in-one solution for larger boat trailers. It distributes tongue weight across the tow vehicle and trailer, which levels the load and improves control. The integrated grease zerk fittings allow for easy lubrication at the spring bar mounts, ensuring smooth operation over time.

Rated for 10,000 to 14,000 pounds GTW and 1,000 to 1,400 pounds tongue weight, this hitch is built for serious towing. The adjustable 2-inch shank fits standard receivers and can be flipped for different heights. If you have a heavy boat and want both weight distribution and sway reduction, this is a comprehensive option.

View all product features

• LEVEL TOWING — Distributes trailer tongue weight across the tow vehicle and trailer to help level the load, improve control and smooth the ride; includes sway control kit #17200 to help reduce trailer sway.
• CONTINUOUS LUBRICATION — Integrated grease zerk fittings in the hitch head provide easy access for ongoing lubrication at the spring bar mounts; grease must be applied to the zerks for proper operation.
• RELIABLE STRENGTH — Fabricated head and forged steel round spring bars deliver heavy-duty towing strength, rated for 10,000-14,000 lb GTW and 1,000-1,400 lb TW, limited by the lowest-rated component.
• STANDARD FIT — Adjustable 2" shank fits industry-standard 2" receivers and can be flipped for drop or rise; includes a pre-torqued 2-5/16" trailer ball for common travel trailer and camper couplers.
• CORROSION-RESISTANT — Durable carbide black powder coat helps protect the hitch from the elements; hookup brackets and lift handle make spring bar leveraging and chain-style setup easier at the campsite or driveway.

---

CURT 17201 Trailer-Mounted Sway Control Ball – Easy Attachment

The CURT 17201 is a simple but essential component for any sway control setup. It attaches directly to your trailer frame, providing the mounting point for the sway control bar. Made from strong steel with a durable powder coat finish, it is built to withstand the elements, including saltwater spray if you launch in coastal areas.

Installation is easy—just use the four self-tapping bolts included. This ball is specifically designed to work with the CURT 17200 sway control kit, but it can also be used with other friction sway bars that use a standard ball mount. If you are adding sway control to an existing trailer, this is the missing piece.

View all product features

• 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

---

hoylty 01004 Sway Control Replacement Pin – Quick Fix

The hoylty 01004 is a replacement pin for sway control bars, designed to fit most standard systems. It is compatible with JR Products 01004 and has a universal 5/32 x 2-7/8 inch size, so it works with many travel trailers and boat trailers. The zinc-plated steel construction resists rust and corrosion, which is crucial when you are around water.

These pins are the standard clip used to secure load bars, and they help maintain proper sway control. If you have lost or bent a pin, this is an inexpensive way to get your system back in working order. It is a small part, but it plays a big role in safety and stability.

View all product features

• Compatibility：01004 Sway Control Replacement Pin , Sway Control Replacement Pin Compatible with JR Products 01004
• Universal Fit: Designed with a 5/32" x 2-7/8" size, these pins are compatible with most sway control bars and travel trailers.These are the standard clip for the load bars when towing a trailer
• Quality : Constructed of zinc plated steel,Rust prevention and corrosion resistance,Used to replace any swing control pin,Capable of withstanding pressure to firmly secure the swing control device in place
• Reliable Performance: These pins help maintain proper sway control, enhancing safety and stability on the road. if you lose your pins, which we all know does happen, these are a great replacement shaped a little different then the original pins but they worked
• Easy Installation: The pack of 4 pins allows for quick and convenient replacement, ensuring a secure and stable connection

---

CURT 40093 Replacement Sway Control Ball – Durable Upgrade

The CURT 40093 is a replacement ball for the CURT 17200 sway control unit. It has a 1-1/4 inch diameter and a 5/8 inch shank, fitting most weight distribution hitches or the CURT sway tab ball mount. The high-strength steel is chrome-plated for durability and a smooth surface, which reduces friction wear.

If your current sway control ball is worn or damaged, this is a direct replacement that restores full functionality. It is a simple swap that can make a noticeable difference in how smoothly your sway bar operates. For boaters who already own a CURT system, this is a smart spare to keep on hand.

View all product features

• 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

---

FAHKNS Weight Distribution Hitch with Sway Control – All-in-One Kit

The FAHKNS weight distribution hitch with sway control bar is a complete kit rated for up to 14,000 pounds. It is designed to distribute weight evenly between the trailer and tow vehicle, improving control and steering. The kit includes a sway control lever and spring bar, which work together to reduce wobbling and sway.

One standout feature is the 6 height adjustments, which allow you to fine-tune the hitch to match your tow vehicle and trailer combination. This is especially useful for boat trailers that may sit at different heights depending on load. If you are starting from scratch, this kit provides everything you need in one box.

View all product features

• 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.

---

HXKDJ 48385 Sway Control Adapter – Fits 2×3 Tongues

The HXKDJ 48385 sway control adapter is designed specifically for 2×3 inch trailer tongues, which are common on many boat trailers. It connects your anti-sway bar system to the tongue, providing a stable mounting point. The powder-coated finish resists wear and corrosion, making it suitable for outdoor and marine environments.

This adapter is ideal for replacing rusty, bent, or missing brackets. It is a straightforward part that ensures your sway control system works as intended. If you have a 2×3 tongue and need a reliable adapter, this is a practical choice.

View all product features

• Fits 2 in x 3 in trailer tongues for travel trailers, boat trailers and utility trailers.
• 48385 sway control adapter connects anti-sway bar systems for towing setup and stability.
• Powder-coated finish helps resist wear during outdoor towing, camping and trailer use.
• Ideal for replacing rusty, bent, damaged or missing sway control adapter brackets.
• Check trailer tongue size and sway control setup before ordering to confirm proper fit.

---

JIANBENKJ Two-Sided Sway Control Adapter – Enhanced Stability

The JIANBENKJ trailer hitch sway control adapter is upgraded with two-sided sway control balls, providing more stability than single-sided designs. It is compatible with Class III and IV 2-inch square ball mounts, which are standard on most trucks and SUVs. The heavy-duty steel construction withstands the friction generated during towing.

This adapter is a direct replacement for RV friction sway control kits, and it works with most standard ball mounts. The two-sided design means you can attach sway bars on either side, which can be beneficial for larger boat trailers. If you need a robust adapter, this is a solid option.

View all product features

• Upgraded Two Sides Trailer Sway Control Adapter: Our anti sway trailer hitch ball mount adapter has been upgraded from one side to both sides, Using the Two Sides Sway Control Ball Mount Adapter, can meet the usage requirements and increase stability, no need to buy two ordinary single-sided trailer sway control adapter.
• Trailer Hitch sway control adapter: direct RV friction sway control adapter kit replacement for towing RV camper travel trailer. Necessary part to a sway bar system,great trailer hitch sway bar attachment for different height vehicles.
• Compatibility: The trailer sway bar control adapter is compatible with Class III and Class IV 2" Square Ball Mounts. The trailer hitch sway control ball mounting pad to most standard ball mounts,use with friction sway controls together.
• Heavy duty friction sway bar adapter: Our trailer sway control kit is made of high quality thicken steel, Capable of withstanding the friction generated during towing the travel trailer/camper and meeting the performance requirements.
• Safe & controllable sway bar hitch adapter: The anti-sway ball mount adapter is the easiest way to add a friction sway bar on hitch, the sway control hitch adapter combined with a anti-sway bar eliminated the camper sway ,make towing the camper much safer when cruising down the freeway, high speed, semi traffic and extreme weather.
• Convenient sway control ball mount adapter: The trailer sway control ball mounting adapter no need to weld. Allow the use of any different hitches with a sway bar without doing any welding. Just make sure to tighten down the hitch ball as tightly as you can. If need the anti sway ball mount adapter extra stability, you can chose welded it to the hitch.
• Easy to install: Pls watch the Youtube videos before installing, the anti sway hitch adapter is easy bolt-on installation, just take the ball off, slip the sway bar ball mount adapter onto the ball stud then tighten it all back onto the shank.

---

JIANBENKJ Anti-Sway Hitch Ball Mount Adapter – Direct Replacement

The JIANBENKJ anti-sway trailer hitch ball mount adapter is a direct replacement for part #26003, commonly used in RV and trailer sway control systems. It is compatible with Class III and IV 2-inch square ball mounts, and the sway control ball mounting pad fits most standard ball mounts. The thickened steel construction is designed to handle the friction and stress of towing.

This adapter is an easy way to add a sway control mounting point to your existing hitch. It is a necessary part for any friction sway bar system, and its durable build ensures long-lasting performance. If you are missing this adapter or need a spare, this is a reliable choice.

View all product features

• Trailer Friction sway control adapter Replaces Part#:26003, direct sway control ball mount adapter replacement for towing RV camper travel trailer. Necessary part to a sway bar system,great trailer hitch sway bar attachment for different height vehicles.
• Compatibility: The trailer camper sway bar control adapter is compatible with Class III and Class IV 2" Square Ball Mounts. The sway control ball mounting pad to most standard ball mounts,use with friction sway controls together.
• Heavy duty friction sway control kit: Our anti sway trailer hitch ball mount adapter is made of high quality thicken steel, Capable of withstanding the friction generated during towing the travel trailer/camper and meeting the performance requirements.
• Safe & controllable trailer sway control adapter: The anti-sway ball mount adapter is the easiest way to add a friction sway bar on hitch, the sway control hitch adapter combined with a anti-sway bar eliminated the camper sway ,make towing the camper much safer when cruising down the freeway, high speed, semi traffic and extreme weather.
• Convenient trailer sway bar ball mount adapter: The trailer sway control ball mounting adapter no need to weld. Allow the use of any different hitches with a sway bar without doing any welding. Just make sure to tighten down the hitch ball as tightly as you can. If need the anti sway ball mount adapter extra stability, you can chose welded it to the hitch.
• Easy to install: Pls watch the Youtube videos before installing, the anti sway hitch adapter is easy bolt-on installation, just take the ball off, slip the sway bar ball mount adapter onto the ball stud then tighten it all back onto the shank.

---

Buyer’s Guide: What to Consider

Choosing the right sway control bar for your boat trailer depends on your hitch setup, trailer size, and towing habits. Here are five key factors to consider before making a purchase.

• Hitch Compatibility: Check whether your tow vehicle has a 2-inch receiver and if the sway control bar fits your existing hitch or ball mount. Some kits are universal, while others require specific adapters.
• Trailer Tongue Size: Measure your trailer tongue width (e.g., 2×3 inches) to ensure the sway control adapter or mounting bracket fits properly. A mismatch can lead to unsafe towing.
• Weight Rating: Consider the gross trailer weight (GTW) and tongue weight (TW) of your boat trailer. Choose a sway control system rated for at least your trailer's maximum weight to ensure effectiveness.
• Friction vs. Weight Distribution: Friction sway bars are simpler and cheaper, while weight distribution hitches with sway control also level the load. Decide based on your trailer size and towing needs.
• Replacement Parts: Over time, sway control balls, pins, and adapters wear out. Having spares on hand can save you from a swaying trailer on the road. Check compatibility with your existing system.

Conclusion

Stable towing is essential for getting your boat to the ramp safely. Whether you need a complete weight distribution hitch like the CURT 17063 or a simple replacement pin from hoylty, there is a solution for every setup. Friction sway bars are great for most boaters, while weight distribution systems offer extra control for heavier loads.

For most boat trailers, the CURT 17200 or Husky 34715 provide reliable, adjustable sway reduction. If you have a larger boat, the FAHKNS or CURT 17063 are worth the investment. Always check compatibility with your hitch and trailer tongue before buying.