UFP Spindle Nut Kit – SN813K
For UFP / Dexter Vault Axles
Part Number: SN813K
The SN813K spindle end kit is designed specifically for axles manufactured by UFP (Unique Functional Products), which are now part of Dexter Axle. This is the correct replacement kit for many UFP Vault and traditional UFP hub systems. Please match your existing nut, washer, and shield style before purchasing.
Kit Includes
- DW-813 D-Washer
- SN-813 Spindle Nut — 13/16"-20 Thread
- LS-813 Lock Nut Shield
- Cotter Pin
Fitment & Notes
| Detail | Information |
|---|---|
| Compatible Axles | UFP (Unique Functional Products) |
| Brand Transition | UFP acquired by Dexter (~2022); some parts now branded “Dexter” |
| Thread Size | 13/16"-20 |
| Usage | Spindle end service / Vault hub replacements |
This kit applies only to UFP axles. It will not fit Dexter, Lippert, AL-KO, or other standard trailer axles unless they were originally manufactured by UFP. Verify thread pitch and washer style before ordering.