Are you looking for the best fitment leaf spring U-bolts? We offer top-quality, easy-to-install U-bolts made from durable materials, ensuring a smooth and safe ride for your vehicle.
Finding the perfect leaf spring U-bolts can be a game-changer for your vehicle’s performance. Whether you’re upgrading your truck or securing your boat trailer, the right U-bolts ensure a smooth and safe ride.
We’ve got you covered with top-quality options that fit like a glove. Easy installation, durable materials, and reliable performance make these U-bolts a must-have for any vehicle owner.
List of Top 10 Fitment Leaf Spring U Bolts
| Image | Title | Best For | Price |
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Fudatong 2PCs Square U-Bolt Kit for Boat Trailer Axle Leaf Springs, Trailer Leaf Spring U Bolts, for 2×2 Axle, 4-3/4″ Long, 2 Pack |
This Fudatong Square U-Bolt Kit is perfect for boat owners and trailer enthusiasts who need a reliable and durable solution for their axle leaf springs. It’s easy to install and built to last, making it ideal for anyone looking to upgrade or repair their boat trailer. |
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Racewill Square U Bolt Kit for Boat Trailer Axle Leaf Springs, Trailer Leaf Spring U Bolts, for 2×2 Axle – 5 1/4″ Long |
This Racewill Square U Bolt Kit is perfect for boat owners who need a strong and secure solution for their trailer axle leaf springs. It’s ideal for saltwater or freshwater use and fits 2×2 axles perfectly. |
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BST BSSP 4PCS Square U-Bolts 2.5″ Wide Leaf Springs 8.75″ Long Replacement for 1988-2019 Chevy Silverado GMC Sierra 1500, with Hardware, Zinc Coated Finish |
This BST BSSP 4PCS Square U-Bolts set is perfect for Chevy Silverado and GMC Sierra 1500 owners looking for a direct replacement for their leaf springs. It’s easy to install and comes with all necessary hardware, making it a great choice for a hassle-free upgrade. |
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New Trailer U Bolt Kit, Trailer Leaf Spring U Bolts, for 5200-7000lbs 3″ Round Axle, 7” Long U-Bolts, 1/2” Diameter, 3” Wide U Bolts-20080 |
This trailer U bolt kit is perfect for anyone with a 5200-7000lbs round axle and needs a quick, easy fix. It’s ideal for replacing broken U bolts and keeping your trailer safe. |
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BST BSSP 12.5″ Extended Square U-Bolts Kit for 2.5″ Wide 9/16″ Bolt Leaf Springs Compatible with 1988-2019 Chevy Silverado 1500 GMC C1500 Sierra 1500 |
This BST BSSP U-Bolts Kit is perfect for Chevy and GMC truck owners who need strong, reliable parts. It’s great for 1988-2019 Silverado and Sierra 1500 models with 2.5″ wide leaf springs. |
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BST BSSP 4PCS Square U-Bolts 2.5″ Wide Leaf Springs 8.75″ Long Compatible with 1988-2019 Chevy Silverado GMC Sierra 1500 w/Hardware |
This BST BSSP 4PCS Square U-Bolts set is perfect for truck owners who need a reliable suspension upgrade. It’s ideal for 1988-2019 Chevy Silverado and GMC Sierra 1500 models, offering durable zinc-coated U-bolts and easy installation with included hardware. |
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iiLentes 15592585 15592586 Rear Suspension Leaf Spring Axle U-bolt Plate and U bolts 2.5″ Wide Leaf Springs 8.75″ Long For 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500 |
This rear suspension kit is perfect for owners of 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500 vehicles. It’s also great for those with Cadillac Escalade, Chevrolet Blazer, or GMC Suburban models from the same era. |
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4 Pack Square U-Bolt for Trailer- Fits 2 Inch Wide Leaf Springs, Galvanized Steel Clamp Set, Secure Fit for Truck, Boat and Trailers |
This 4-pack square U-bolt kit is perfect for anyone who needs to securely fasten leaf springs on their truck, boat, or trailer. If you’re looking for long-lasting durability and improved stability on the road, this is the ideal solution for your towing needs. |
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4 Pack Square U-Bolt for Trailer- Fits 2.5 Inch Wide Leaf Springs, Galvanized Steel Clamp Set, Secure Fit for Truck, Boat and Trailers, Black |
This 4 Pack Square U-Bolt is perfect for anyone who needs a secure and durable solution for their truck, boat, or trailer. It’s ideal for heavy-duty use and ensures a smoother ride with better stability. |
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Dorman 929-709 Rear Leaf Spring Axle U-Bolt Kit Compatible with Select Ford Models |
This Dorman 929-709 Rear Leaf Spring Axle U-Bolt Kit is perfect for Ford owners who need a reliable and durable solution to secure their leaf springs. It’s ideal for those who value quality and want a long-lasting fix for their vehicle. |
Detailed Reviews
Discover the top 10 Fitment Leaf Spring U Bolts in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your needs. Whether you prioritize comfort, affordability, or reliability, this guide has you covered—read on to make the smart choice for your vehicle.
1. Fudatong 2PCs Square U-Bolt Kit for Boat Trailer Axle Leaf Springs, Trailer Leaf Spring U Bolts, for 2×2 Axle, 4-3/4″ Long, 2 Pack

Secure your boat trailer with the Fudatong 2PCs Square U-Bolt Kit. This kit is perfect for 2″ x 2″ axles, offering reliable support for your leaf springs. It’s built for tough conditions, ensuring your trailer stays safe.
With easy installation and durable, rust-resistant materials, this kit is a smart choice for any boat owner. Get the peace of mind you deserve on every journey.
| Pros | Cons |
|---|---|
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Perfect For:
This Fudatong Square U-Bolt Kit is perfect for boat owners and trailer enthusiasts who need a reliable and durable solution for their axle leaf springs. It’s easy to install and built to last, making it ideal for anyone looking to upgrade or repair their boat trailer.
Ready to Purchase?
2. Racewill Square U Bolt Kit for Boat Trailer Axle Leaf Springs, Trailer Leaf Spring U Bolts, for 2×2 Axle – 5 1/4″ Long

Secure your boat trailer with the Racewill Square U Bolt Kit. It’s strong, durable, and built to last. Perfect for 2×2 axles, this kit ensures a safe and reliable fit.
The zinc-coated steel resists rust and corrosion, making it ideal for saltwater or freshwater use. The complete kit includes everything you need for easy installation.
| Pros | Cons |
|---|---|
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Perfect For:
This Racewill Square U Bolt Kit is perfect for boat owners who need a strong and secure solution for their trailer axle leaf springs. It’s ideal for saltwater or freshwater use and fits 2×2 axles perfectly.
Ready to Purchase?
3. BST BSSP 4PCS Square U-Bolts 2.5″ Wide Leaf Springs 8.75″ Long Replacement for 1988-2019 Chevy Silverado GMC Sierra 1500, with Hardware, Zinc Coated Finish

The BST BSSP 4PCS Square U-Bolts are made for 1988-2019 Chevy Silverado and GMC Sierra 1500. They are 2.5″ wide and 8.75″ long, built to fit your leaf springs perfectly.
These U-bolts are direct replacements. They come with all necessary hardware. They are easy to install.
The zinc-coated finish protects against rust. These bolts give your truck a strong and secure fit.
| Pros | Cons |
|---|---|
|
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Perfect For:
This BST BSSP 4PCS Square U-Bolts set is perfect for Chevy Silverado and GMC Sierra 1500 owners looking for a direct replacement for their leaf springs. It’s easy to install and comes with all necessary hardware, making it a great choice for a hassle-free upgrade.
Ready to Purchase?
4. New Trailer U Bolt Kit, Trailer Leaf Spring U Bolts, for 5200-7000lbs 3″ Round Axle, 7” Long U-Bolts, 1/2” Diameter, 3” Wide U Bolts-20080

This trailer U bolt kit is perfect for 5200-7000lbs round axles with a 3 inch axle beam diameter. The U bolts are 3 inches wide and 7 inches long. They are designed to fit perfectly without any loose parts.
It includes 4 U bolts, 8 hex nuts, and 2 tie plates for 1-3/4″ leaf springs. The U bolts have a 1/2-inch diameter. They are easy to install without special tools.
Made from durable steel, this kit is built to last. Installation is quick and simple. It’s a great replacement when your old U bolts are broken.
| Pros | Cons |
|---|---|
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Perfect For:
This trailer U bolt kit is perfect for anyone with a 5200-7000lbs round axle and needs a quick, easy fix. It’s ideal for replacing broken U bolts and keeping your trailer safe.
Ready to Purchase?
5. BST BSSP 12.5″ Extended Square U-Bolts Kit for 2.5″ Wide 9/16″ Bolt Leaf Springs Compatible with 1988-2019 Chevy Silverado 1500 GMC C1500 Sierra 1500

Upgrade your truck’s suspension with this BST BSSP 12.5″ Extended Square U-Bolts Kit! Designed for 1988-2019 Chevy Silverado and GMC Sierra 1500 models, this kit is perfect for adding extra capacity or when installing new leaf springs.
This heavy-duty kit includes 4 u-bolts, mounting hardware, and is 2.5 inches wide with 9/16 inch bolts. Get ready for a smoother, stronger ride!
| Pros | Cons |
|---|---|
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Perfect For:
This BST BSSP U-Bolts Kit is perfect for Chevy and GMC truck owners who need strong, reliable parts. It’s great for 1988-2019 Silverado and Sierra 1500 models with 2.5″ wide leaf springs.
Ready to Purchase?
6. BST BSSP 4PCS Square U-Bolts 2.5″ Wide Leaf Springs 8.75″ Long Compatible with 1988-2019 Chevy Silverado GMC Sierra 1500 w/Hardware

Upgrade your truck’s suspension with these heavy-duty U-bolts! Designed for 1988-2019 Chevy Silverado and GMC Sierra 1500 models, they provide a secure and reliable fit for your leaf springs.
These zinc-coated square U-bolts are built to last, offering superior protection against rust and corrosion. The package includes all necessary hardware, making installation a breeze.
Boost your truck’s performance. Get a stronger, more stable ride. Drive with confidence!
| Pros | Cons |
|---|---|
|
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Perfect For:
This BST BSSP 4PCS Square U-Bolts set is perfect for truck owners who need a reliable suspension upgrade. It’s ideal for 1988-2019 Chevy Silverado and GMC Sierra 1500 models, offering durable zinc-coated U-bolts and easy installation with included hardware.
Ready to Purchase?
7. iiLentes 15592585 15592586 Rear Suspension Leaf Spring Axle U-bolt Plate and U bolts 2.5″ Wide Leaf Springs 8.75″ Long For 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500

The iiLentes Rear Suspension Leaf Spring Axle U-bolt Plate and U bolts are designed for 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500 vehicles. This kit includes 2.5″ wide leaf springs and 8.75″ long U-bolts, ensuring a perfect fit for your truck.
Easy to install, durable, and reliable, this product is a must-have for your vehicle’s suspension needs. Contact us if you have any questions or concerns.
| Pros | Cons |
|---|---|
|
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Perfect For:
This rear suspension kit is perfect for owners of 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500 vehicles. It’s also great for those with Cadillac Escalade, Chevrolet Blazer, or GMC Suburban models from the same era.
Ready to Purchase?
8. 4 Pack Square U-Bolt for Trailer- Fits 2 Inch Wide Leaf Springs, Galvanized Steel Clamp Set, Secure Fit for Truck, Boat and Trailers

This 4 Pack Square U-Bolt is made from high-quality galvanized steel for excellent corrosion resistance. It is built to last and is perfect for heavy-duty truck and towing applications. This durable construction ensures it can handle tough conditions.
Each U-bolt is 3-3/4in x 2-1/8in and fits 2 inches wide leaf springs. They reduce spring shifting and improve axle torque control. This leads to a smoother ride.
The kit comes with 4 U-bolts, 4 frame plates, 8 nuts, and 8 lock washers. It securely locks the leaf springs in place. The result is improved stability during transit.
| Pros | Cons |
|---|---|
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Perfect For:
This 4-pack square U-bolt kit is perfect for anyone who needs to securely fasten leaf springs on their truck, boat, or trailer. If you’re looking for long-lasting durability and improved stability on the road, this is the ideal solution for your towing needs.
Ready to Purchase?
9. 4 Pack Square U-Bolt for Trailer- Fits 2.5 Inch Wide Leaf Springs, Galvanized Steel Clamp Set, Secure Fit for Truck, Boat and Trailers, Black

Secure your trailer with this 4-pack of U-bolts. They are made from tough galvanized steel. This ensures they last a long time.
These U-bolts are designed for 2.5-inch wide leaf springs. They will keep your springs locked for a better ride.
You get everything you need in this kit. It includes 4 U-bolts, plates, nuts, and washers. Get ready for safer towing!
| Pros | Cons |
|---|---|
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Perfect For:
This 4 Pack Square U-Bolt is perfect for anyone who needs a secure and durable solution for their truck, boat, or trailer. It’s ideal for heavy-duty use and ensures a smoother ride with better stability.
Ready to Purchase?
10. Dorman 929-709 Rear Leaf Spring Axle U-Bolt Kit Compatible with Select Ford Models

Secure your ride with the Dorman 929-709 Rear Leaf Spring Axle U-Bolt Kit. This kit is built to last, ensuring your leaf springs stay firmly in place for a smooth and safe journey.
Built tough for lasting performance. Easy to install for a quick fix. Trustworthy quality for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 929-709 Rear Leaf Spring Axle U-Bolt Kit is perfect for Ford owners who need a reliable and durable solution to secure their leaf springs. It’s ideal for those who value quality and want a long-lasting fix for their vehicle.
Ready to Purchase?
Buying Guide
Finding the right leaf spring U-bolts is key to a smooth and safe ride. We’ve made it easy to choose the best fit for your vehicle.
Here’s what to consider when buying:
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Vehicle Compatibility:
Make sure the U-bolts fit your vehicle’s make and model. Check the axle size and leaf spring width for a perfect match. -
Material Quality:
Look for durable materials like galvanized steel or zinc-coated steel. These resist rust and corrosion, ensuring long-lasting performance. -
Size and Length:
Measure the axle diameter and leaf spring width accurately. Choose U-bolts with the right length and width for a secure fit. -
Kit Inclusions:
Opt for kits that include all necessary hardware like nuts, washers, and plates. This makes installation easier and ensures everything works together. -
Load Capacity:
Consider the weight your vehicle or trailer carries. Choose U-bolts rated for the appropriate load capacity to avoid failures. -
Ease of Installation:
Pick U-bolts that are easy to install. Look for kits with clear instructions and no need for special tools. -
Rust Resistance:
If you’re near water or in humid areas, rust-resistant coatings are a must. They keep your U-bolts in top shape longer. -
Brand Reputation:
Go for trusted brands known for quality. Reliable brands often offer better durability and warranties.
With these factors in mind, you’ll find the perfect leaf spring U-bolts for your needs. Enjoy a smoother, safer ride!