Match the part number, measurements and connection points that apply to your trailer.
| Bearings | Match inner and outer bearing numbers. |
|---|---|
| Seal | Match the seal number or dimensions. |
| Bolt Pattern | Verify the complete lug pattern. |
| Brake Size | Confirm when applicable. |
This complete 10,000 lb General Duty hub/drum service kit includes everything needed to replace a post-2009 12.25" × 3.375" Dexter-style hub/drum assembly. All core components are included: bearings, seal, oil cap, O-ring, and rubber plug. Races come pre-installed in the hub/drum.
| Component | Details |
|---|---|
| Hub/Drum | 10K GD, post-2009, 12.25" × 3.375" (RP8-430-05) |
| Inner Bearing | 25580 — 1.75" ID |
| Outer Bearing | 387A — 2.25" ID |
| Seal | 10-2875-06 — 2.875" × 3.88" |
| Oil Cap | 21-88 (post-’09) |
| O-Ring | 010-163-00 — for 21-88 cap |
| Center Plug | 046-032-00 — rubber plug insert for 21-88 |
Note: This kit is designed for General Duty 10K axle configurations built after 2009. It does not fit 10K Heavy Duty hubs. Always compare seal measurements, bearing numbers, and hub casting before installation.
Selected from R&P customer feedback for Hub / Drum products and related trailer service.
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
“Would like to say thanks to everyone at R and P Carriages parts were delivered fast and with the very helpful staff, the right parts were sent the first time. Thanks Happy Holiday's.”
“Received swivel d-ring tie down 4 days after my wife ordered them , great price and came with backing plates. I received exactly what I paid for, thanks for the great service. Chris Davis , Mooresville NC”
Need help matching a part? Send us photos, part numbers and measurements. We can help narrow it down before you order.
