Aeagle 4-leaf double-eye spring shows rugged leaf construction for trailer use.
Aeagle 3500lb axle U-bolt kit demonstrates sturdy hardware for round axles.
Aeagle trailer hanger kit complete with mounting hardware for suspension upgrades.
Aeagle 3-inch tall hangers pair for secure axle mounting.
Aeagle leaf spring is 1-3/4 inch wide for proper fit and load support.
Aeagle eye-to-eye length is 25-1/4 inches for accurate alignment.
Aeagle anti-rust coating boosts durability against corrosion during use.
Aeagle 12-month warranty ensures quality and shipping-tested performance.
Aeagle 4-leaf double-eye spring shows rugged leaf construction for trailer use.
Aeagle 3500lb axle U-bolt kit demonstrates sturdy hardware for round axles.
Aeagle trailer hanger kit complete with mounting hardware for suspension upgrades.
Aeagle 3-inch tall hangers pair for secure axle mounting.
Aeagle leaf spring is 1-3/4 inch wide for proper fit and load support.
Aeagle eye-to-eye length is 25-1/4 inches for accurate alignment.
Aeagle anti-rust coating boosts durability against corrosion during use.
Aeagle 12-month warranty ensures quality and shipping-tested performance.

Aeagle 4-Leaf Double Eye Spring Kit for 3500lb Trailer Axle (25-1/4 in L, 1-3/4 in W) – 2-Piece, U-Bolt & Hanger Kit

Upgrade your trailer suspension with the Aeagle 4-Leaf Double Eye Spring Kit Designed for resilience and reliable...
Vendor: Aeagle
Availability: In stock
£212.77
£212.77
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Aeagle 4-leaf double-eye spring shows rugged leaf construction for trailer use.

Aeagle 4-Leaf Double Eye Spring Kit for 3500lb Trailer Axle (25-1/4 in L, 1-3/4 in W) – 2-Piece, U-Bolt & Hanger Kit

£212.77
Aeagle 4-leaf double-eye spring shows rugged leaf construction for trailer use.
Aeagle 3500lb axle U-bolt kit demonstrates sturdy hardware for round axles.
Aeagle trailer hanger kit complete with mounting hardware for suspension upgrades.
Aeagle 3-inch tall hangers pair for secure axle mounting.
Aeagle leaf spring is 1-3/4 inch wide for proper fit and load support.
Aeagle eye-to-eye length is 25-1/4 inches for accurate alignment.
Aeagle anti-rust coating boosts durability against corrosion during use.
Aeagle 12-month warranty ensures quality and shipping-tested performance.

Aeagle 4-Leaf Double Eye Spring Kit for 3500lb Trailer Axle (25-1/4 in L, 1-3/4 in W) – 2-Piece, U-Bolt & Hanger Kit

£212.77
Description
Description
x

Upgrade your trailer suspension with the Aeagle 4-Leaf Double Eye Spring Kit

Designed for resilience and reliable towing, this kit combines two high-capacity springs with a complete hardware set to support a 3,500 lb trailer load. It is tailored for round axles and 2-3/8 in diameter, delivering a balanced, steady ride on the road.

The 4-leaf, double-eye design distributes weight across the leaf pack, helping to minimize sag under load and improve stability during cornering and braking. The kit pairs the springs with a full U-bolt and hanger assembly, so you have a ready-to-install solution that covers both suspension and mounting hardware.

Whats included

  • 2 x 4-leaf double-eye springs
  • 3,500 lb axle U-bolt kit for 2-3/8 in round axles
  • Complete single trailer axle hanger kit with all mounting hardware
  • U-bolts: four pieces, 5-1/2 in long, diameter 1/2 in
  • Tie plates for 1-3/4 in leaf springs
  • Hex nuts: eight pieces, 1/2 in-20
  • Hanger kit: two 3 in tall hangers and two 2.1 in tall hangers
  • Shackle straps: four, eye to eye 3.09 in
  • Shackle bolts and locknuts: six 9/16 in-18 x 3 in

Key specifications

  • Capacity per spring: 1,750 lb
  • Total capacity: 3,500 lb for a two-spring setup
  • Eye-to-eye length: 25-1/4 in
  • Free open: 3 in
  • Leaf width: 1-3/4 in
  • Leaves: 4 per spring
  • Bushing diameter: 9/16 in
  • Note: Tighten the nut horizontally for best fit

Durability, quality, and warranty

Each component features an anti-rust coating to resist corrosion, while manufacturing uses high-quality raw materials intended for longevity. The kit is tested before shipping and carries a 12-month warranty for extra confidence.

Fitment and usage tips

Designed to replace SW4B and to fit round axles (not square). It is compatible with 1-3/4 in leaf springs, and the included hardware makes installation straightforward for DIY trailer projects or professional upgrades.

FAQ

Q: What is included in the Aeagle 4-Leaf Spring Suspension Kit?

A: Two 4-leaf springs, a 3,500 lb U-bolt kit, and a complete hanger kit with hardware.

Q: What are the fitment details and warranty?

A: Replaces SW4B, fits round axles only, with anti-rust coating and a 12-month warranty.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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