Looking for the best leaf spring trailer axles? We provide easy-to-follow guides and trusted information to help you find the perfect fit for a smooth and enjoyable ride.
You want the best gear for your trailer. We will show you the best guides to pick the right parts.
Users love smooth rides on bumpy roads. Goods for trailer axles make trips fun.
We build your trust in our info. Find the exact fit for your haul. Read more to learn about powerful supports.
List of Top 10 Leaf Spring Trailer Axles
| Image | Title | Best For | Price |
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Youxmoto 3500lb Single Trailer Axle Suspension Kit 1750lb Leaf Springs & Ubolt Kit; Pair of Trailer Leaf Spring 4 Leaf Double Eye, 25-1/4″ L, 1-3/4″ Width, 9/16 Eye I.D |
The Youxmoto trailer axle kit works best for small boat owners, utility trailer users, and DIY mechanics. It fits trailer gears with round axles and replaces worn spring parts. |
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Youxmoto 4pcs 5 Leaf Springs 3000lb, for 5200lb-6000lb Tandem Trailer Axle Suspension Kit & U-Bolt & Hanger Kit; 25-1/4″ L, 1-3/4″ Width, 9/16″ Bushing Dia, Fits for SW5 |
Trailer owners who need reliable suspension parts and want easy DIY work will love this strong leaf spring kit. It fits many trailer axles and is simple to install at home. |
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AEagle 25-1/4″ 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt & Tandem Hanger Kit, 1.75″ Width, 3″ Free Open Suspension Kit Replaces SW4B, 4 PCS |
Trailer owners need a strong set of springs. Boat and cargo owners need a solid round axle kit. |
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2 Pieces of Replacement for SW4B 4 Leaf Trailer Spring, 3500lb Single Trailer Axle Suspension Kit with 1750lb Capacity Double Eyes Leaf Springs, U-Bolt and Hanger Kit |
This trailer spring replacement kit is perfect for anyone who needs to upgrade or fix their 3,500lb trailer axle. It’s ideal for DIYers or trailer owners looking for reliable, heavy-duty parts to keep their trailer running smoothly. |
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Autoholic Trailer Leaf Spring Kit 3500lb Single Axle 4 Leaf Spring Kit |
This leaf spring kit is for trailer owners with a 3500 lb axle. It works well on cargo, boat, and work trailers with 2-3/8 inch round axles. |
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dreamdragon Tandem Trailer Axle Suspension Kit – 3,500 lbs 4 Leaf Springs with U-Bolts & Hangers Included |
This dreamdragon Tandem Trailer Axle Suspension Kit is perfect for anyone with a light to medium-duty trailer. It’s ideal for standard 3,500 lbs axles, offering dependable support and smooth operation. |
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2 Pieces of Replacement for SW4B 4 Leaf Trailer Leaf Spring, 3500lb Single Trailer Axle Suspension Kit, 25-1/4″ Length with 1750lb Capacity Double Eyes Leaf Springs and U-Bolt |
Trailer owners looking for rust-proof replacement springs with 3500lb capacity find this kit ideal for standard 2-3/8 axle setups. DIYers appreciate the complete bracket kit that makes troubleshooting suspension issues easy and immediate repairs safe. |
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Aeagle 25-1/4″ 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt Kit, 1.75″ Width, 3″ Free Open, Replaces for SW4B, 2PCS |
Owners with 3500 lb trailers need this kit. It works well to fix round axles. |
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Magorfas Trailer Leaf Spring 4 Leaf Double Eye 1750 lbs Cap for 3500 lbs Axle Suspension 25-1/4″ Length fits for SW4B – Set 2 |
This Magorfas Trailer Leaf Spring is perfect for trailer owners who need a reliable replacement for damaged or worn-out leaf springs. It’s ideal for 3500 lbs trailers and ensures smooth, safe towing. |
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Aeagle Trailer Spring 6 Leaf Double Eye for 7000 lbs Trailer Axle Springs, 25-1/4” Length, 3500 lbs Weight Capacity Per Spring, Replacement SW6 4PCS |
Give your trailer a strong lift with these durable springs. They handle heavy loads with ease on round axles. |
Detailed Reviews
Discover the top 10 Leaf Spring Trailer Axles in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your trailer needs. Whether you prioritize strength, ease of installation, or long-lasting reliability, this guide has you covered.
1. Youxmoto 3500lb Single Trailer Axle Suspension Kit 1750lb Leaf Springs & Ubolt Kit; Pair of Trailer Leaf Spring 4 Leaf Double Eye, 25-1/4″ L, 1-3/4″ Width, 9/16 Eye I.D
Get your trailer ready with the Youxmoto 3500lb suspension kit. It handles strong loads easily.
These springs have four leaves for great strength. They are made of manganese steel. You can install it with basic tools.
It stops rust and lasts a long time. This kit fits many axles perfectly.
| Pros | Cons |
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Perfect For:
The Youxmoto trailer axle kit works best for small boat owners, utility trailer users, and DIY mechanics. It fits trailer gears with round axles and replaces worn spring parts.
Ready to Purchase?
2. Youxmoto 4pcs 5 Leaf Springs 3000lb, for 5200lb-6000lb Tandem Trailer Axle Suspension Kit & U-Bolt & Hanger Kit; 25-1/4″ L, 1-3/4″ Width, 9/16″ Bushing Dia, Fits for SW5
Upgrade your trailer axle with the Youxmoto 5-leaf spring kit. It provides strong support for safe stops.
The leaf springs are made of 60Si2Mn steel. They have an anti-rust coating for long life. You also get U-bolts and hangers included.
Easy installation makes this kit simple to set up. It fits 5200lb-6000lb axles and the SW5 style. Just remember to tighten nuts horizontally.
| Pros | Cons |
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Perfect For:
Trailer owners who need reliable suspension parts and want easy DIY work will love this strong leaf spring kit. It fits many trailer axles and is simple to install at home.
Ready to Purchase?
3. AEagle 25-1/4″ 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt & Tandem Hanger Kit, 1.75″ Width, 3″ Free Open Suspension Kit Replaces SW4B, 4 PCS
This AEagle kit works with 3500lb round trailer axles. It replaces part number SW4B. The kit has 4 double eyes springs.
Each spring holds 1750lbs of weight. They are 1¾ inches wide and 25¼ inches long.
The set includes U-bolts, tie plates, and tandem hanger parts. They come with a 12-month warranty.
| Pros | Cons |
|---|---|
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Perfect For:
Trailer owners need a strong set of springs. Boat and cargo owners need a solid round axle kit.
Ready to Purchase?
4. 2 Pieces of Replacement for SW4B 4 Leaf Trailer Spring, 3500lb Single Trailer Axle Suspension Kit with 1750lb Capacity Double Eyes Leaf Springs, U-Bolt and Hanger Kit
This trailer spring replacement kit is designed for 3,500lb single trailer axles. It includes two 4-leaf springs, each with a 1,750lb capacity, and all necessary hardware for installation. The springs are made of heavy-duty carbon steel with an anti-rust coating for long-lasting performance.
The kit also includes a U-bolt kit and a hanger kit. The U-bolt kit fits 2-3/8″ round trailer axles, while the hanger kit is designed for 1-3/4″ leaf springs. Both kits provide all the components needed for a secure and stable installation.
Easy to install, durable, and reliable. Perfect for trailer suspension upgrades. Contact us for any after-sales support.
| Pros | Cons |
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Perfect For:
This trailer spring replacement kit is perfect for anyone who needs to upgrade or fix their 3,500lb trailer axle. It’s ideal for DIYers or trailer owners looking for reliable, heavy-duty parts to keep their trailer running smoothly.
Ready to Purchase?
5. Autoholic Trailer Leaf Spring Kit 3500lb Single Axle 4 Leaf Spring Kit
This Autoholic leaf spring kit helps your trailer ride well. It has four springs for a 3,500 lb axle. Each spring can hold 1,750 lb.
Strong steel helps it carry heavy loads. It also soaks up bumps and shakes.
The kit has U-bolts and a hanger set. It fits a 2-3/8 inch axle. Check your trailer’s load rating before you buy.
| Pros | Cons |
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Perfect For:
This leaf spring kit is for trailer owners with a 3500 lb axle. It works well on cargo, boat, and work trailers with 2-3/8 inch round axles.
Ready to Purchase?
6. dreamdragon Tandem Trailer Axle Suspension Kit – 3,500 lbs 4 Leaf Springs with U-Bolts & Hangers Included
The dreamdragon Tandem Trailer Axle Suspension Kit is a complete solution for your trailer needs. It’s rated for 3,500 lbs, perfect for light to medium-duty trailers. This kit ensures reliable suspension support for smoother rides.
Each 4-leaf spring handles 1,750 lbs, offering strength and stability. The U-bolts and hangers are included for easy installation.
This all-in-one kit comes with leaf springs, equalizers, and tie plates. It’s designed only for trailers, ensuring a perfect fit. Contact us with any questions after purchase.
| Pros | Cons |
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Perfect For:
This dreamdragon Tandem Trailer Axle Suspension Kit is perfect for anyone with a light to medium-duty trailer. It’s ideal for standard 3,500 lbs axles, offering dependable support and smooth operation.
Ready to Purchase?
7. 2 Pieces of Replacement for SW4B 4 Leaf Trailer Leaf Spring, 3500lb Single Trailer Axle Suspension Kit, 25-1/4″ Length with 1750lb Capacity Double Eyes Leaf Springs and U-Bolt
Upgrade your trailer with this 2-piece SW4B leaf spring kit. It gives a 3,500 lb axle strong, steady support.
Each spring holds 1,750 lb. It has double eyes and a 25-1/4 in. eye-to-eye length. Two bushings come fitted for an easier fit.
The kit fits a 2-3/8 in. round axle. It includes U-bolts, tie plates, and nuts. The rust-proof steel helps it last.
| Pros | Cons |
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Perfect For:
Trailer owners looking for rust-proof replacement springs with 3500lb capacity find this kit ideal for standard 2-3/8 axle setups. DIYers appreciate the complete bracket kit that makes troubleshooting suspension issues easy and immediate repairs safe.
Ready to Purchase?
8. Aeagle 25-1/4″ 4-Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle & U-Bolt Kit, 1.75″ Width, 3″ Free Open, Replaces for SW4B, 2PCS
Upgrade your trailer with this strong AEAGLE leaf spring kit. It replaces part number SW4B on 3500lb round axles perfectly.
You receive two heavy-duty springs to handle loads safely. The kit includes long U-bolts and nuts for a secure fit. Choose this set for a sturdy axle system.
The black coating protects the steel from rust for long life. We offer a trusted 12-month warranty for your satisfaction. Enjoy smooth rides and reliable performance every time.
| Pros | Cons |
|---|---|
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Perfect For:
Owners with 3500 lb trailers need this kit. It works well to fix round axles.
Ready to Purchase?
9. Magorfas Trailer Leaf Spring 4 Leaf Double Eye 1750 lbs Cap for 3500 lbs Axle Suspension 25-1/4″ Length fits for SW4B – Set 2
Magorfas Trailer Leaf Spring is a durable, high-quality solution for your trailer suspension needs. It’s designed to handle 1750 lbs per spring for 3500 lbs trailers.
Made from 60Si2Mn Manganese Steel, these springs offer strength, flexibility, and corrosion resistance. They come with two coats of paint for added protection. Perfect for replacing damaged or worn-out springs.
Fits SW4B trailers with precise measurements: 25-1/4″ eye-to-eye length and 1-3/4″ width. Not for cars, trucks, or tractors—only for trailers. Always check load ratings before installing.
| Pros | Cons |
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Perfect For:
This Magorfas Trailer Leaf Spring is perfect for trailer owners who need a reliable replacement for damaged or worn-out leaf springs. It’s ideal for 3500 lbs trailers and ensures smooth, safe towing.
Ready to Purchase?
10. Aeagle Trailer Spring 6 Leaf Double Eye for 7000 lbs Trailer Axle Springs, 25-1/4” Length, 3500 lbs Weight Capacity Per Spring, Replacement SW6 4PCS
The Aeagle Trailer Spring is a 6-leaf double-eye spring made for 7000 lbs trailers. Each spring handles 3500 lbs and measures 25-1/4 inches long. This 4-piece kit replaces SW6 parts.
These springs are coated to resist rust and built with strong materials. They ensure reliable performance and long-lasting use.
Every spring is tested before shipping and comes with a 12-month warranty. They fit round axles only, not square ones.
| Pros | Cons |
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Perfect For:
Give your trailer a strong lift with these durable springs. They handle heavy loads with ease on round axles.
Ready to Purchase?
Buying Guide
Smooth rides on bumpy roads start with the right trailer axle parts. We’ll guide you to the best leaf spring trailer axles for your needs.
Factors to Consider When Buying Leaf Spring Trailer Axles:
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Weight Capacity:
Choose springs that match your trailer’s load rating. Overloading can cause damage. -
Material Quality:
Look for manganese steel or carbon steel for strength and durability. -
Rust Protection:
Springs with anti-rust coatings last longer, especially in wet conditions. -
Compatibility:
Ensure the springs fit your axle size and trailer model. Check eye-to-eye length and width. -
Installation Ease:
Kits with U-bolts, hangers, and hardware make setup simpler. -
Warranty:
A 12-month warranty adds peace of mind for long-term use. -
Leaf Count:
More leaves mean stronger support, but check your trailer’s needs. -
Brand Reputation:
Trusted brands like Youxmoto and Aeagle offer reliable products.
Engaging Experience:
With the right leaf springs, your trailer rides smoothly, even on rough roads. Enjoy safe trips and long-lasting performance with the perfect fit.