The 117581 U-Bolt Plate is a heavy-duty mounting plate engineered to evenly distribute clamping forces from U-bolts across your trailer’s leaf spring pack and axle housing. Crafted from precision-stamped steel and protected with a corrosion-resistant finish, this plate maintains proper suspension alignment, prevents spring distortion, and enhances the longevity of your trailer suspension under heavy loads.

Features:

• Precision-stamped high-strength steel for consistent load distribution
• Corrosion-resistant zinc plating to guard against rust
• Optimized hole pattern to fit common U-bolt sizes (up to 3.5″ inside width)
• Smooth, deburred edges for safe handling and easy installation
• Ideal for new builds, suspension rebuilds, or component upgrades

Specifications:

• Part Number: 117581
• Material: Cold-rolled steel
• Finish: Zinc-plated
• Plate Dimensions: 5″ × 3″ × ⅜″ (length × width × thickness)
• Hole Pattern: 3.25″ center-to-center spacing
• Thickness: 0.375″
• Application: Distributes U-bolt load on leaf spring packs and axle mounts

Fitment:

• Compatible with most 3,500–7,000 lb trailer axles
• Works with standard round and square leaf spring assemblies
• Pairs with U-bolts such as 11-65, 11-70, or any U-bolt matching the 3.25″ hole spacing