Looking for the best leaf spring hardware kits? We’ve curated a list of 10 top picks to help you find the perfect fit for your trailer or vehicle.
Leaf spring hardware kits are essential for keeping your trailer or vehicle running smoothly. They support heavy loads and improve ride quality, making them a must-have for any towing or hauling setup. Whether you’re upgrading or repairing, the right kit can make all the difference.
Choosing the best leaf spring hardware kit can feel overwhelming, but we’ve done the work for you. From heavy-duty options for tough jobs to easy-to-install kits for quick fixes, we’ve got you covered. Our guide highlights top picks that are durable, reliable, and built to last.
Ready to find the perfect fit for your needs? Let’s dive in and discover the best leaf spring hardware kits that will keep your ride stable and smooth.
List of Top 10 Leaf Spring Hardware Kits
| Image | Title | Best For | Price |
|---|---|---|---|
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Autoholic Trailer Leaf Spring Kit 3500lb Single Trailer Axle 4 Leaf Spring Kit with U-Bolt Kit & Single Trailer Axle Hanger Kit |
This kit is for trailer owners. It fits a 3500 lb axle. It is for people who carry heavy loads. It helps your trailer stay safe. It makes the ride smooth. It is very strong. It is easy to use. This kit will last a long time. |
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SOUTHWEST WHEEL 7,000 lbs. Double Eye Leaf Spring Tandem Trailer Axle Suspension Kit |
This SOUTHWEST WHEEL Tandem Trailer Axle Suspension Kit is perfect for anyone needing a strong, reliable upgrade for their 7,000 lbs. tandem trailer. It’s ideal for heavy loads and rough roads, offering easy installation and long-lasting performance. |
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Lonffery Trailer Leaf Spring Hanger Kit for 1-3/4″ Double Eye Springs, Single Axle 2000–7000 lbs, Trailer Suspension & Shackle Hardware Kit |
This is perfect for trailer owners who need a strong, easy-fit suspension kit for single axle trailers. It is also a great choice for people who want safe towing, simple setup, and long-lasting steel parts. |
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Speedway Motors Leaf Spring Mount Bracket Hardware Kit, Complete 12-Piece Front and Rear Installation Set with Reproduction Hardware |
This 12-piece kit is perfect for car restorers and enthusiasts working on 1967-69 Camaros and 1968-74 Novas. It’s ideal for upgrading or refreshing suspension while keeping an OEM-style fit. |
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Cartalia Upgraded Heavy Duty Rear 4-Leaf Springs Kit for EZGO TXT/Medalist Electric 1994-2013 and Gas 1996-2008 Golf Cart Suspension with Bushings Sleeves & U-Bolts Replace OEM 74207-G01 Load Capacity |
This Cartalia Upgraded Heavy Duty Rear 4-Leaf Springs Kit is perfect for EZGO TXT/Medalist owners who want a smoother ride and extra load capacity. It’s ideal for those with aging suspension or anyone adding passengers, cargo, or a tow hitch. |
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Trailer Shackle Kit, Heavy-Duty Trailer Leaf Spring Kit for Double Eye Springs (3.5K-7.2K Axles), 312L Shackle Straps, with Installation Hardware and Anti-Rust Coating, Durable Trailer Repair Parts |
This trailer shackle kit is perfect for anyone who needs to repair or upgrade their trailer suspension. It’s ideal for utility, boat, or cargo trailers with 3,500–7,200 lbs axles. |
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dreamdragon Single Trailer Axle Suspension Kit 3,500lbs Capacity with 1,750lbs 4 Leaf Springs & Complete Hanger Kit |
This dreamdragon Single Trailer Axle Suspension Kit is perfect for anyone who needs a reliable and strong suspension system for their trailer. It’s ideal for trailers with a 3,500lbs capacity, offering durable leaf springs and a complete hanger kit for easy installation. |
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Leaf Spring Clamp Kit Fits Leaf Springs Up To 2.5” Wide, Locks Leaf Springs Together For Stabilizing,Provides Better Control of Axle Torque pack of2 |
This Leaf Spring Clamp Kit is perfect for truck, camper, or tow vehicle owners who want a smoother, safer ride while hauling heavy loads. It’s ideal for anyone looking to stabilize their vehicle and improve control when towing. |
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TRAILER SUPPLIES Trailer Leaf Spring and U-Bolt Kit – (2) 24-5/8″ 4-Leaf Slipper Springs + 2000 lbs U-Bolt Mounting Kit – Fits 1-3/4″ Round Axles– for Utility, Boat, and Cargo Trailers |
This kit is perfect for anyone who needs to fix or upgrade their trailer’s suspension. It works great with utility, boat, and cargo trailers that carry up to 2,000 lbs per axle. The parts are strong, rust-resistant, and easy to install. If you want a safe and reliable trailer, this kit is made for you. |
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DaisyInner 4 Pcs Leaf Spring Clamp Kit Leaf Springs up to 2.5” Wide Lock Spring Together for Vehicles Stabilizing Control, Bend Repair Clip with Cap Wide Axle Rebound Clamp(Black) |
This DaisyInner Leaf Spring Clamp Kit is perfect for anyone who owns a truck, camper, or tow vehicle. It’s ideal for those who haul heavy loads or tow trailers, offering better stability and control on the road. |
Detailed Reviews
This guide shows the Best Leaf Spring Hardware Kits with clear facts and smart picks. Each kit is checked for fit, strength, and value. You can trust this list to point you to the right choice fast. Read on to find the kit that fits your needs best.
1. Autoholic Trailer Leaf Spring Kit 3500lb Single Trailer Axle 4 Leaf Spring Kit with U-Bolt Kit & Single Trailer Axle Hanger Kit

The Autoholic Trailer Leaf Spring Kit is built tough for 3500 lb trailer axles. It includes double eye springs, a U-bolt kit, and a hanger kit. All parts are galvanized for long-lasting use.
This kit supports heavy loads and reduces stress on your trailer. It cushions bumps and vibrations for a smoother ride.
Choose the right size for your trailer’s load rating. Verify the spring load capacity for safety and performance. This kit is easy to install and reliable.
| Pros | Cons |
|---|---|
|
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Perfect For:
This kit is for trailer owners. It fits a 3500 lb axle. It is for people who carry heavy loads. It helps your trailer stay safe. It makes the ride smooth. It is very strong. It is easy to use. This kit will last a long time.
Ready to Purchase?
2. SOUTHWEST WHEEL 7,000 lbs. Double Eye Leaf Spring Tandem Trailer Axle Suspension Kit

Upgrade your trailer with the SOUTHWEST WHEEL 7,000 lbs. Tandem Trailer Axle Suspension Kit. It includes 4 double-eye leaf springs, a tandem axle hanger kit, and 2 U-bolt kits. This kit is built tough for heavy loads and rough use.
It fits standard 7,000 lbs. tandem axles and is rust-resistant. Installation is easy with pre-drilled parts for smooth operation.
| Pros | Cons |
|---|---|
|
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Perfect For:
This SOUTHWEST WHEEL Tandem Trailer Axle Suspension Kit is perfect for anyone needing a strong, reliable upgrade for their 7,000 lbs. tandem trailer. It’s ideal for heavy loads and rough roads, offering easy installation and long-lasting performance.
Ready to Purchase?
3. Lonffery Trailer Leaf Spring Hanger Kit for 1-3/4″ Double Eye Springs, Single Axle 2000–7000 lbs, Trailer Suspension & Shackle Hardware Kit

The Lonffery Trailer Leaf Spring Hanger Kit gives your trailer a strong, steady hold. It fits 1-3/4″ double eye springs and helps support single axle trailers from 2000 to 7000 lbs.
This kit includes all the key parts. You get front hangers, rear hangers, shackle straps, bolts, and lock nuts.
It is made from heavy-duty steel. It is easy to fit and built for long use.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for trailer owners who need a strong, easy-fit suspension kit for single axle trailers. It is also a great choice for people who want safe towing, simple setup, and long-lasting steel parts.
Ready to Purchase?
4. Speedway Motors Leaf Spring Mount Bracket Hardware Kit, Complete 12-Piece Front and Rear Installation Set with Reproduction Hardware

The Speedway Motors Leaf Spring Mount Bracket Hardware Kit gives you the right parts for 1967-69 Camaro and 1968-74 Nova. It includes 12 reproduction pieces. It helps make the job fast and easy.
This kit is made to match original specs for a clean fit. It is a smart choice for restoration and suspension service.
| Pros | Cons |
|---|---|
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Perfect For:
This 12-piece kit is perfect for car restorers and enthusiasts working on 1967-69 Camaros and 1968-74 Novas. It’s ideal for upgrading or refreshing suspension while keeping an OEM-style fit.
Ready to Purchase?
5. Cartalia Upgraded Heavy Duty Rear 4-Leaf Springs Kit for EZGO TXT/Medalist Electric 1994-2013 and Gas 1996-2008 Golf Cart Suspension with Bushings Sleeves & U-Bolts Replace OEM 74207-G01 Load Capacity

The Cartalia Heavy Duty Springs fit your EZGO TXT or Medalist perfectly. These four-leaf springs stop rear sagging and boost your load capacity. They replace OEM 74207-G01 and keep your golf cart level.
Strong premium steel with an anti-rust coating ensures a long life. The direct replacement design makes the install quick and very easy.
This complete kit includes U-bolts, bushings, and sleeves for a smooth ride. You get all the mounting hardware and a manual in one box.
| Pros | Cons |
|---|---|
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Perfect For:
This Cartalia Upgraded Heavy Duty Rear 4-Leaf Springs Kit is perfect for EZGO TXT/Medalist owners who want a smoother ride and extra load capacity. It’s ideal for those with aging suspension or anyone adding passengers, cargo, or a tow hitch.
Ready to Purchase?
6. Trailer Shackle Kit, Heavy-Duty Trailer Leaf Spring Kit for Double Eye Springs (3.5K-7.2K Axles), 312L Shackle Straps, with Installation Hardware and Anti-Rust Coating, Durable Trailer Repair Parts

This trailer shackle kit is a heavy-duty solution for double-eye spring tandem axles. It works with 3,500–7,200 lbs axles and fits utility, boat, and cargo trailers. Perfect for repairs or replacements in home garages or workshops.
Made of strong steel with an anti-rust coating, it lasts long on regular roads. The kit includes equalizers, shackle straps, bushings, bolts, and nuts.
All parts are precisely sized for easy installation. The complete set ensures durable performance and smooth trailer operation.
| Pros | Cons |
|---|---|
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Perfect For:
This trailer shackle kit is perfect for anyone who needs to repair or upgrade their trailer suspension. It’s ideal for utility, boat, or cargo trailers with 3,500–7,200 lbs axles.
Ready to Purchase?
7. dreamdragon Single Trailer Axle Suspension Kit 3,500lbs Capacity with 1,750lbs 4 Leaf Springs & Complete Hanger Kit

The dreamdragon Single Trailer Axle Suspension Kit is built tough. It supports trailers up to 3,500lbs with ease.
Each leaf spring holds 1,750lbs. The kit includes 4 leaves per spring. It comes with a complete hanger kit for easy setup.
Made from strong manganese steel, this kit resists rust and wear. It ensures a smooth ride and reliable performance every time.
| Pros | Cons |
|---|---|
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Perfect For:
This dreamdragon Single Trailer Axle Suspension Kit is perfect for anyone who needs a reliable and strong suspension system for their trailer. It’s ideal for trailers with a 3,500lbs capacity, offering durable leaf springs and a complete hanger kit for easy installation.
Ready to Purchase?
8. Leaf Spring Clamp Kit Fits Leaf Springs Up To 2.5” Wide, Locks Leaf Springs Together For Stabilizing,Provides Better Control of Axle Torque pack of2

This kit fits leaf springs up to 2.5 inches wide. It locks springs to strengthen and stabilize them. You get a pack of two.
These durable parts improve axle torque control. The high-quality metal lasts a long time.
| Pros | Cons |
|---|---|
|
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Perfect For:
This Leaf Spring Clamp Kit is perfect for truck, camper, or tow vehicle owners who want a smoother, safer ride while hauling heavy loads. It’s ideal for anyone looking to stabilize their vehicle and improve control when towing.
Ready to Purchase?
9. TRAILER SUPPLIES Trailer Leaf Spring and U-Bolt Kit – (2) 24-5/8″ 4-Leaf Slipper Springs + 2000 lbs U-Bolt Mounting Kit – Fits 1-3/4″ Round Axles– for Utility, Boat, and Cargo Trailers

This Trailer Leaf Spring and U-Bolt Kit provides a complete solution for your trailer suspension. Each 4-leaf slipper spring supports up to 1,000 lbs. This durable kit fits 1-3/4″ round axles on utility and cargo trailers.
The heat-treated steel ensures long-lasting strength. A corrosion-resistant finish protects against rust and wear.
These springs replace Dexter 4341-10 and other major brands. The zinc-coated U-bolts offer superior durability and fit. Easy installation is guaranteed with all necessary mounting hardware included.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is perfect for anyone who needs to fix or upgrade their trailer’s suspension. It works great with utility, boat, and cargo trailers that carry up to 2,000 lbs per axle. The parts are strong, rust-resistant, and easy to install. If you want a safe and reliable trailer, this kit is made for you.
Ready to Purchase?
10. DaisyInner 4 Pcs Leaf Spring Clamp Kit Leaf Springs up to 2.5” Wide Lock Spring Together for Vehicles Stabilizing Control, Bend Repair Clip with Cap Wide Axle Rebound Clamp(Black)

The DaisyInner Leaf Spring Clamp Kit is a must-have for trucks, campers, or tow vehicles. It fits leaf springs up to 2.5” wide, boosting stability and control for safer rides.
Made from durable stainless steel, this kit ensures long-lasting performance. It’s easy to install and perfect for heavy-duty use.
| Pros | Cons |
|---|---|
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Perfect For:
This DaisyInner Leaf Spring Clamp Kit is perfect for anyone who owns a truck, camper, or tow vehicle. It’s ideal for those who haul heavy loads or tow trailers, offering better stability and control on the road.
Ready to Purchase?
Buying Guide
Leaf spring hardware kits are essential for smooth towing and hauling. Choosing the right one keeps your ride stable and safe.
Factors to Consider When Buying:
– Load Capacity: Match the kit’s load rating to your trailer’s weight for safety and performance.
– Material Quality: Look for galvanized or rust-resistant parts to ensure durability and longevity.
– Compatibility: Check if the kit fits your trailer’s axle size and spring type for a perfect match.
– Ease of Installation: Choose kits with pre-drilled parts or complete hardware for quick and easy setup.
– Purpose: Decide if you need a heavy-duty kit for tough jobs or a lightweight option for occasional use.
– Brand Reputation: Go for trusted brands known for reliable and high-quality products.
– Included Parts: Ensure the kit includes all necessary components like U-bolts, hangers, and shackles for a complete solution.
With these tips, you’ll find the best leaf spring hardware kit to keep your trailer running smoothly.