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SKU: 11404

Superlift Round Leaf Spring U-Bolts, 5/8 x 3-3/8 x 12 in., 4-Pack with Hardware

$69.99

Ships from manufacturerShips in about 1–2 weeks · see return terms Real humans who wheel(920) 249-7744 Financing availableAffirmPayPal CreditFor qualified buyers at checkout Secure checkoutEncrypted payment
Estimated lead time: About 1–2 weeks
Estimated time before your order ships from the manufacturer; subject to change. Reserve or pre-sale items may take longer — typically 1–2 months.
Warranty Information

Vendor warranty summary

Superlift Warranty

At a glance: Limited lifetime on select Superlift products for the original buyer while they own the vehicle; other items carry limited three-year or one-year terms.

This is Superlift's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: November 4, 2026.

Coverage by product line

Superlift product Coverage
Select Superlift-branded products (lifetime tier) Limited lifetime, for as long as the original retail buyer owns the vehicle
Superlift products designated three-year Limited three-year tier (terms not published in the page text; confirm for the specific part)
Superlift products designated one-year Limited one-year tier (terms not published in the page text; confirm for the specific part)

What's covered

  • Defects in materials or workmanship on select Superlift-branded products installed per the provided instructions
  • Coverage for the original retail buyer for as long as they own the vehicle the product was installed on

What's not covered

  • Alteration, modification or failure to maintain the product
  • Normal wear, such as bushings and rod ends
  • Finish defects, including scratches, powder coat and plating
  • Effects on the vehicle's electronic stability system or other vehicle systems
  • Racing or competition use, accidents, and rock, tree or other environmental impacts
  • Theft, vandalism or intentional damage
  • Products from Superlift's subsidiaries (lifetime tier)
  • Parts moved to another vehicle, or after the vehicle changes owners
  • Returns of non-defective products after installation

How to make a Superlift warranty claim

  • Return the product to the place of purchase or submit a claim through RealTruck's Superlift warranty page.
  • Include the order number, your name, address, phone and email, vehicle year, make and model, the product name or part number and a description of the issue.
  • Attach a copy of the original receipt and photos of the product.
  • Do not ship anything back without prior authorization; unauthorized returns may be refused or returned at your cost.

Superlift contact: Superlift (RealTruck): 877-216-5446; contact form at https://realtruck.com/contact-brands/contact-superlift/ · Warranty page

Bought it from NVMOS? Start with us.

Superlift's first route for a claim is the place of purchase, and it wants the order number, original receipt and photos. Contact NVMOS first and we will confirm which warranty tier your part falls under, assemble the claim and get the return authorized for you. Have your order number and a few photos of the issue ready, then call or text us at (920) 249-7744 or send us a message.

Shop Superlift at NVMOS

See all Superlift products, lead times and FAQs →

Disclaimer: The information on this page describes Superlift's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Sources: Superlift warranty policy (RealTruck, official) and Superlift brand page (RealTruck, official) and Superlift warranty summary (JEGS help center, secondary; older terms with a legacy phone number). Last updated on nvmos.com: November 4, 2026. See our return policy for NVMOS's own terms.

About the brand

Superlift

Superlift is a suspension brand within RealTruck that builds lift kits, leveling kits, shocks and steering stabilizers for Jeeps, trucks and SUVs. At NVMOS we carry Superlift kits and shocks for the full-size and midsize trucks, Jeeps and Toyotas we support.

Lead time: In-stock parts ship in 1-3 business days; parts stocked at the manufacturer take about 1-2 weeks.

Superlift warranty: Limited lifetime on select Superlift products for the original buyer while they own the vehicle; some items fall under limited three-year or one-year terms.. Read the full summary

Warranty terms are set by Superlift, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.


Superlift Round Leaf Spring U-Bolts, 5/8 x 3-3/8 x 12 in., 4-Pack with Hardware

A four-pack of Superlift round-bend leaf spring U-bolts in the 5/8 x 3-3/8 x 12 in. size, with the nuts and washers to install them. They clamp the spring pack to the axle, so they suit anyone replacing tired U-bolts or re-clamping after a lift or block change.

Why it works
12 in. longSized 5/8 x 3-3/8 x 12 in., so you can match diameter, width and length to your setup.
Round bendThe rounded bottom is made to wrap a round axle tube.
Four per packEnough U-bolts to clamp both springs on one axle.
Hardware includedHigh-strength steel U-bolts come with the nuts and washers needed to install them.
Specifications
Spec Detail
Fitment Universal leaf spring axle U-bolt; match the size to your application
Size 5/8 x 3-3/8 x 12 in.
Bend Round
Quantity 4 U-bolts with nuts and washers
Material High-strength steel
Part number 11404
Weight 9.9 lb
Before you order

Measure the rod diameter, inside width and length of your current U-bolts and match them to the 5/8 x 3-3/8 x 12 in. size before ordering. Installation instructions are available. Superlift install instructions: download the PDF. Not sure it fits your build? Call or text us at (920) 249-7744 with your year, trim and setup and we will confirm it.

Frequently asked questions
How do I know if this size fits?

Measure the U-bolts you have now: rod diameter, the width between the legs and the length. This pack is 5/8 x 3-3/8 x 12 in. with a round bend.

Are nuts and washers included?

Yes. The pack includes the nuts and washers needed for installation.

How many U-bolts are in the pack?

Four, which covers both springs on one axle.

What is the warranty?

See our Superlift warranty page for the current terms.

Specifications

  • Fitment: Universal leaf spring axle U-bolt; match the size to your application
  • Size: 5/8 x 3-3/8 x 12 in.
  • Bend: Round
  • Quantity: 4 U-bolts with nuts and washers
  • Material: High-strength steel
  • Part number: 11404
  • Weight: 9.9 lb

Superlift Round Leaf Spring U-Bolts, 5/8 x 3-3/8 x 12 in., 4-Pack with Hardware FAQs

How do I know if this size fits?

Measure the U-bolts you have now: rod diameter, the width between the legs and the length. This pack is 5/8 x 3-3/8 x 12 in. with a round bend.

Are nuts and washers included?

Yes. The pack includes the nuts and washers needed for installation.

How many U-bolts are in the pack?

Four, which covers both springs on one axle.

What is the warranty?

See our Superlift warranty page for the current terms.

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