1.125" Diameter Square Bend U-bolts
1-1/8 Square
Bend Leaf Spring U-bolts
If you don't see a U bolt that meets your specifications in our catalog, please use our inquire form. We can also make custom suspension U bolts based on the dimensions that you need. These custom axle u-bolts can be shipped anywhere by UPS.
Note - 361-XXX part numbers are U-bolt Kits that include two U-bolts, 4 deep nuts, and 4 hardened washers. 5U-XXXXS and 8U-XXXXS part numbers are individual U-bolts (made to order and non-returnable) with nuts and washers included (i.e. one U-bolt, 2 deep nuts, and 2 hardened washers).
Click Part Number for Pricing and to Order Online!
| Part No. | Dim A | Thead Pitch | Dim B | Dim C | Grade | OEM Ref or Thread Length | Remarks |
| 8U-7211S | 1 1/8 | 12 | 4 1/16 | 11 5/8 | 8 | ||
| 8U-7212S | 1 1/8 | 12 | 4 1/16 | 12 5/8 | 8 | ||
| 8U-7214S | 1 1/8 | 12 | 4 1/16 | 14 5/8 | 8 | ||
| 8U-7217S | 1 1/8 | 12 | 4 1/16 | 16 5/8 | 8 | ||
| 8U-7412S | 1 1/8 | 12 | 4 9/16 | 12 3/8 | 8 | ||
| 8U-8311S | 1 1/8 | 12 | 5 1/8 | 12 1/8 | 8 | ||
| 8U-8312S | 1 1/8 | 12 | 5 1/8 | 13 1/8 | 8 | ||
| 361-603 | 1 1/8 | 12 | 5 1/8 | 13 1/8 | 8 | 5 1/2 | |
| 8U-8313S | 1 1/8 | 12 | 5 1/8 | 14 1/8 | 8 | ||
| 361-396 | 1 1/8 | 12 | 5 1/8 | 14 1/8 | 8 | 5 1/2 | |
| 8U-8314S | 1 1/8 | 12 | 5 1/8 | 15 1/8 | 8 | ||
| 361-612 | 1 1/8 | 12 | 5 1/8 | 15 1/8 | 8 | ||
| 8U-8315S | 1 1/8 | 12 | 5 1/8 | 16 1/8 | 8 | ||
| 361-280 | 1 1/8 | 12 | 5 1/8 | 16 1/8 | 8 | 5 1/2 | |
| 8U-8316S | 1 1/8 | 12 | 5 1/8 | 17 1/8 | 8 | ||
| 8U-8317S | 1 1/8 | 12 | 5 1/8 | 18 1/8 | 8 | ||
| 8U-7100S | 1 1/8 | 12 | 5 3/8 | 12 | 8 | ||
| 8U-7101S | 1 1/8 | 12 | 5 3/8 | 14 | 8 | ||
| 8U-9001S | 1 1/8 | 12 | 5 1/2 | 13 1/2 | 8 | ||
| 8U-8999S | 1 1/8 | 12 | 5 1/2 | 14 1/2 | 8 | ||
| 8U-7311S | 1 1/8 | 12 | 5 11/16 | 11 | 8 | ||
| 361-560 | 1 1/8 | 12 | 5 11/16 | 11 | 8 | 3 1/2 | |
| 8U-7312S | 1 1/8 | 12 | 5 11/16 | 12 | 8 | ||
| 361-561 | 1 1/8 | 12 | 5 11/16 | 12 | 8 | 5 1/2 | |
| 361-236 | 1 1/8 | 12 | 5 11/16 | 12 1/2 | 8 | 5 1/2 | |
| 8U-7313S | 1 1/8 | 12 | 5 11/16 | 13 | 8 | ||
| 361-590 | 1 1/8 | 12 | 5 11/16 | 13 | 8 | 5 1/2 | |
| 8U-7314S | 1 1/8 | 12 | 5 11/16 | 14 | 8 | ||
| 8U-7315S | 1 1/8 | 12 | 5 11/16 | 15 | 8 | ||
| 361-238 | 1 1/8 | 12 | 5 11/16 | 15 | 8 | 5 1/2 | |
| 8U-7316S | 1 1/8 | 12 | 5 11/16 | 16 | 8 | ||
| 8U-73175S | 1 1/8 | 12 | 5 11/16 | 17 1/2 | 8 | ||
| 8U-8012S | 1 1/8 | 12 | 6 | 12 3/8 | 8 | ||
| 8U-8013S | 1 1/8 | 12 | 6 | 13 3/8 | 8 | ||
| 8U-8016S | 1 1/8 | 12 | 6 | 16 3/8 | 8 |
