117521 - U-Bolt Plate

The 117521 U-Bolt Plate is a rugged mounting plate designed to evenly distribute U-bolt clamping forces across trailer leaf spring packs and axle assemblies. Manufactured from high-strength steel and finished with corrosion-resistant plating, this plate helps maintain proper suspension alignment, prevents spring distortion, and extends component life under heavy load conditions.

Features:

• Precision-stamped high-strength steel for consistent performance
• Corrosion-resistant zinc plating to guard against rust and wear
• Optimized hole pattern for common U-bolt sizes and spacing
• Smooth, deburred edges for safe handling and installation
• Ideal for new trailer builds, suspension rebuilds, or upgrade kits

Specifications:

• Part Number: 117521
• Material: Cold-rolled steel
• Finish: Zinc plated
• Plate Dimensions: 5.5" × 3.5" × ⅜" (length × width × thickness)
• Hole Pattern: 3.75" center-to-center spacing (fits up to 4" inside-width U-bolts)
• Thickness: 0.375"
• Application: Distributes U-bolt load on leaf spring packs and axle mounts

Fitment:

• Compatible with most 3,500–10,000 lb trailer axles
• Works with standard round and square leaf spring assemblies
• Pair with U-bolts such as 11-65, 11-70, or custom sizes for your axle kit