Product Details

Description

Replace worn or corroded rear U-bolts on lifted Toyota Tacomas and Tundras with the Tuff Country 57950 U-Bolt Kit. Designed for 3-inch lift setups, this zinc-plated, corrosion-resistant kit includes everything you need for a secure rear axle install.

  • 【Bolt Diameter】: 9/16"
  • 【Inside Diameter】: 2 9/16"
  • 【Length】: 11 5/8"
  • 【Bend Type】: Square
  • 【Finish / Material】: Zinc-plated, corrosion resistant
  • 【Pack Contents】: 4 U-bolts with nuts and washers
  • 【Vehicle Fitment】: For 1999–2006 Toyota Tundra 4WD, 2005–2020 Toyota Tacoma 4WD, 2007–2020 Toyota Tundra 4WD
  • 【Application】: Intended for use with lift blocks in 3-inch lift applications

This rear U-bolt kit by Tuff Country provides a precise, durable connection between the axle and leaf springs in lifted trucks. The zinc plating offers enhanced corrosion resistance for long-lasting performance in harsh weather and off-road conditions. With a 9/16" bolt diameter and a 2 9/16" inside diameter, the 11 5/8" length is matched for common rear-leaf configurations in the listed Toyota 4WD models, ensuring a snug, secure fit when paired with the accompanying nuts and washers.


Year Range Make Model Drivetrain Fitment Note
2005–2020 Toyota Tacoma 4WD
1999–2006 Toyota Tundra 4WD
2007–2020 Toyota Tundra 4WD

Specifications:


Single or Multi-Box Packaging: Single Box
Weight: 7.0 lb


FAQs

Please read our FAQs page to find out more.

Will this part fit my vehicle?

Fitment varies by year, make, model, drivetrain, and lift height. Always use the vehicle fitment selector or refer to the fitment notes on the product page before purchasing. If you’re unsure, our team can help confirm compatibility.

Are Tuff Country products street legal?

Most Tuff Country products are designed for on-road and off-road use, but local laws and regulations vary by state and country. It is the customer’s responsibility to ensure compliance with local vehicle regulations after installation.

Is professional installation required?

Professional installation is recommended but not required. Many products can be installed by experienced DIYers with proper tools. However, improper installation can affect ride quality, safety, and warranty coverage.

Will this affect my ride quality?

Tuff Country products are engineered to balance ride comfort, performance, and durability. Ride quality can change depending on lift height, vehicle setup, tire size, and other suspension components.

Are Tuff Country products covered by a warranty?

Yes. Tuff Country products are backed by a manufacturer warranty that covers defects in materials and workmanship. Warranty terms vary by product type and do not cover damage caused by misuse, improper installation, or normal wear.

Can I run larger tires with this product?

Many Tuff Country lift kits and suspension components allow for larger tire sizes, but maximum tire clearance depends on wheel offset, tire width, and vehicle configuration. Refer to the product details or contact support for guidance.

What is the return policy?

Unused, uninstalled products may be eligible for return within the stated return window. Items must be in new condition and returned in original packaging. Shipping costs and restocking fees may apply.

Who can I contact if I have questions?

Our customer support team is available to help with fitment questions, installation guidance, and order support. Reach out before purchasing if you want to ensure you’re selecting the right part for your build.

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