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U-Bolt and Suspension Parts Fabricated In-House, Nampa, ID.

At Alignment Specialists Northwest, we understand how crucial U-bolts and suspension parts are for alignment. That's why we fabricate custom U-bolts in-house for trucks, trailers, and RVs across Nampa, Boise, and the Treasure Valley. 
No waiting, no parts-run, just fast, precision-fit hardware. 

Why Truck U-Bolts Matter.

U-bolts are special because of their unique shape and versatility in securing parts in a vehicle’s suspension and frame systems. Here's why they're essential:
 Shape & Design: The "U" shape allows them to wrap around components like axle tubes or leaf springs, providing a secure hold without additional complex fastening systems.
 Strength & Durability: U-bolts are typically made from high-strength steel, which makes them ideal for heavy-duty applications. They are built to withstand significant stress and pressure, especially in vehicles carrying heavy loads, like trucks and trailers.
● Manufacturer Specific: Many brands have U-bolts unique to their suspension. Example- Freightliner Air Ride, Hendrickson Primaxx, Ford, GM. We fabricate U-bolt replacements for all major brands.
● Versatility: U-bolts come in various sizes and lengths to accommodate different vehicle parts, from axles to suspension components, allowing them to be used in a wide range of vehicles, including trucks, trailers, and RVs.
● Safety & Stability: They provide a reliable connection for critical suspension components, helping maintain proper alignment and stability, which is key for safe handling and smooth driving.
The combination of their strong design, ease of use, and versatility makes U-bolts essential for ensuring the safety, performance, and durability of a vehicle’s suspension system.

Custom U-Bolt Fabrication for Trucks, Trailers & RVs

With over 30 years of experience, our skilled technicians quickly identify and create the perfect parts for your truck or RV, in our shop, streamlining the service process to get you back on the road fast. 

Download Our U-Bolt Order Form

Common U-Bolts We Fabricate Every Day

Whether you’re hauling freight, towing a trailer, or keeping your RV road-ready, we craft the U-bolts that keep your suspension tight and secure. Our most requested styles include:
● Round Bend U-Bolts — Ideal for round axles and standard truck applications
● Square Bend U-Bolts — Designed for square or rectangular components such as trailer axles and leaf spring packs
● Semi-Round / Radius U-Bolts — Made for specific OEM fits in heavy-duty and commercial vehicles
● Custom-Length U-Bolts — Built to your exact width, length, and thread requirements
● Manufacturer-Specific U-Bolts — Including Freightliner Air Ride, Hendrickson Primaxx, Ford, GM, and other branded suspension systems
If you don’t see your style listed, we can fabricate it. Most U-bolts are made on-site while you wait.


Specialty Parts

We are a direct distributor of high-quality truck suspension parts in Boise, ID, and our collection includes premium-quality king pins, U-bolts, suspension bushings, and more. To ensure your safety on the road and your 100% satisfaction, we make it a point to stock truck suspension parts from the world’s most trusted brands. Shop with us today!


We are proud to provide U-bolts and other specialized parts for RV and trucks for optimal suspension and alignment. Call Alignment Specialists Northwest online or at (208) 761-6003 to experience premier services for all your U-bolt and suspension needs in Nampa, ID.