Product Details

Description

Replace the worn or damaged uni-ball joint on your Tuff Country upper control arm with the 91127 Uni-Ball Joint. Designed for owners of select Tuff Country lift kits, this replacement keeps your suspension articulating reliably under off-road and daily driving conditions.

  • Compatibility: Specifically engineered for Tuff Country lift kits 34106, 34106KH, 34106KN and upper control arm kits 30930 and 30931.
  • Uni-Ball joint design: Delivers the articulation essential for lifted suspensions at the upper control arm joint.
  • Includes components: Comes with the uni-ball joint assembly and retaining ring (circlip) as shown in the product image.
  • Installation note: Uni-ball joints are not compatible with upper control arms using standard ball joints due to the larger collar size.
  • Condition: New aftermarket replacement part from Tuff Country, ensuring factory-like fit and performance.

With the 91127 Uni-Ball Joint, your lifted vehicle retains responsive steering, steady wheel travel, and consistent alignment as you tackle rough terrain or everyday roads. The joint’s design is tailored to the geometry of Tuff Country upper control arms, helping you maximize the life of your lift components and maintain predictable handling across a variety of driving conditions.

Specifications:


Single or Multi-Box Packaging: Single Box
Weight: 2.0 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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Selling Suspension Systems for 35+ Years

Tuff Country EZ-Ride Suspension was incorporated over 35 years ago, realizing the desperate need for quality suspension products in the after market world.

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