3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle

  • Ensure the smooth and reliable operation of your trailer with our 3500 lb Trailer Axle U-Bolt Kit. This comprehensive kit is designed to provide all the necessary co3500 lb Trailer Axle
  • Ensure the smooth and reliable operation of your trailer with our 3500 lb Trailer Axle U-Bolt Kit. This comprehensive kit is designed to provide all the necessary co3500 lb Trailer Axle
  • Ensure the smooth and reliable operation of your trailer with our 3500 lb Trailer Axle U-Bolt Kit. This comprehensive kit is designed to provide all the necessary co3500 lb Trailer Axle
  • Ensure the smooth and reliable operation of your trailer with our 3500 lb Trailer Axle U-Bolt Kit. This comprehensive kit is designed to provide all the necessary co3500 lb Trailer Axle
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3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle

3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle

SKU : 35UBKT-450

Online price only

$6,448.99

Online price only

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4.7
Rated 4.7 out of 5 stars
130 Reviews
Shipping: Calculated at Checkout | Product Wt. 2270.0 lb
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3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle — Pack of 450

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

  • Diameter (D): 1/2"
  • Fits axle tube: 2 3/8"

What’s Included:

  • (1800) U-Bolts: 5-1/2" Long
  • (3600) Hex Nuts: 1/2"-20
  • (900) Tie Plates: For use with 1-3/4" Leaf Springs When ordering raw materials, you can expect minor rust and oils that will need to be cleaned upon arrival to you. Key

Key Features & Benefits:

  • Complete kit — all hardware needed for installation
  • Secures leaf springs to the axle tube
  • Heavy-duty construction for long service life
  • Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

  • Mounting leaf springs to the axle
  • Suspension rebuilds and axle swaps
  • New trailer builds
  • Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

  • Quality trailer parts at affordable prices
  • Fast shipping — order today, ships tomorrow
  • Bulk & wholesale pricing available
  • Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

4.7
Rated 4.7 out of 5 stars
Based on 130 reviews
Total 5 star reviews: 115
Total 4 star reviews: 8
Total 3 star reviews: 1
Total 2 star reviews: 0
Total 1 star reviews: 6
Customers Talked About
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130 reviews
  • KM
    Kenneth M.
    Verified Buyer
    21 seconds ago
    Rated 5 out of 5 stars
    Everything was there and fit perfectly.

    Everything was there and fit perfectly.

    Was this helpful?
  • TR
    Thomas R.
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    Jerry Roberts

    The axle is exactly what I ordered. The people at Trailer parts were very helpful and professional. I will definitely use them again and refer them.

    Was this helpful?
  • DM
    Donald M.
    Verified Buyer
    2 weeks ago
    Rated 5 out of 5 stars
    quick and fit

    delivery was quick and fit was perfect.

    Was this helpful?
  • JD
    Jody D. M.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Made installation of new axle a breeze

    Worked great securing the new axle.

    Heavier structure and clean threads to speed up the installation.

    Worth the price!

    Was this helpful?
    The Trailer Parts Outlet
    1 month ago

    Hello Jody,

    Thank you for taking the time to share your experience with the 3500 lb U-Bolt Kit! We're thrilled to hear that it made your new axle installation such a smooth process. It's wonderful to know that you appreciated the heavier structure and clean threads - those are exactly the quality features we strive for to make installations easier for our customers.

    We sincerely appreciate your business and your kind words about the value!

    Anna Nicholas

  • WD
    Wm D.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Spring clamps

    Excellent perfect fit

    Was this helpful?
    The Trailer Parts Outlet
    1 month ago

    Hello Wm,

    Thank you for taking the time to share your experience with the 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle. We're delighted to hear that you found the fit to be excellent and perfect for your needs. It's wonderful to know that our U-bolt kit met your expectations and provided the precise fit you were looking for.

    We sincerely appreciate your business and your kind words!

    Anna Nicholas

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