U-Bolt – 4" x 8.4" x 5/8"-11 – Fits 9K Axle (4" Tube) & Lippert 10K Axle
Heavy-duty U-bolt designed for 9,000 lb axles with 4" axle tubesand compatible Lippert 10,000 lb axles.
Commonly used in suspension mounting applications to secure axleto leaf spring assemblies.
Nuts are not included. Pairs with UBN-10C nuts.
Specifications
| Specification | Detail |
| Axle Compatibility | 9,000 lb (4" Tube) / Lippert 10,000 lb |
| Inside Width (I.D.) | 4.25" |
| Overall Length | 8.4" |
| Thread Size | 5/8"-11 |
| Thread Length | 2" |
| Quantity | One (1) U-Bolt |
| Matching Nut | UBN-10C (Sold Separately) |
R&P Knowledge Hub
U-bolts clamp the axle tube to the leaf spring pack througha tie plate or spring seat assembly.Correct inside width must match axle tube diameter,and thread size must match corresponding nuts.
For 9K axles with 4" round tubes, confirm tube diameterand required leg length before ordering.Lippert 10K applications may use similar tube sizing —always measure to verify fitment.
Confirm axle tube diameter and required length before installation.
