Dexter 008-430-03 Trailer Hub – 9K / 10K / 13K Axles – 8 on 6.5" – After July 2009
Part Number: 008-430-03
Genuine Dexter 008-430-03 trailer hub designed for 9,000 lb, 10,000 lb, and select 13,000 lb trailer axles built after July 2009. This hub is used with the 9-123 brake drum in the updated two-piece hub and drum configuration introduced after Dexter discontinued earlier one-piece assemblies.
R&P Knowledge Hub
In 2009 Dexter revised bearing spacing on 9K and 10K general duty axles.
Hubs and drums built before July 2009 will not interchange with later designs.
The 008-430-03 hub is used with the 9-123 drum and matches the updated bearing spacing.
Always confirm axle build date and drum casting numbers before ordering.
For axles built after July 2009. Compatible drums will typically have 9-123 cast into them.
Related Component Reference Diagram
Specifications
| Specification | Detail |
| Manufacturer | Dexter Axle |
| Dexter Part Number | 008-430-03 |
| Axle Rating Compatibility | 9K, 10K, Select 13K |
| Wheel Bolt Pattern | 8 on 6.5" |
| Wheel Stud Size | 5/8"-18 |
| Number of Wheel Studs | 8 |
| Inner Bearing Cone | 387A (Included) |
| Inner Bearing Cup | 382A (Included) |
| Outer Bearing Cone | 25580 (Included) |
| Outer Bearing Cup | 25520 (Included) |
| Oil Seal | 10-51 (Included) |
| Hub Cap | 021-088-00 (Included) |
| Compatible Drum | 9-123 |
Shop Related Components
Cross References
| Alternate Format | 84303 |
| Alternate Format | 00843003 |
| Alternate Format | 8-430-03 |
Important Interchange Information
| Note | Details |
| Pre-2009 Axles | 288 Series hubs (8-288, 8-232, 8-256) are NOT interchangeable with 430 series hubs. |
| Drum Fitment | 9-123 drum fits 008-430-03 hub. Older 288 series hubs use 9-44 drum. |
| 415 Series | 430 series hub is interchangeable with 8-415 series (Aug 2009 to May 2013). |
Verify axle build date and drum casting number before installation.