10K General Duty Hub/Drum Kit — Post-2009
Includes Bearings, Seal, Oil Cap & Plug Set (RP8-430-05-KIT)
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.
Kit Includes
- RP8-430-05 — 10K GD hub/drum, post-’09, 12.25" × 3.375"
- 10-2875-06 — Oil seal, 2.875" × 3.88"
- 25580 — Inner bearing, 1.75" ID
- 387A — Outer bearing, 2.25" ID
- 21-88 — Oil cap for post-2009 10K GD hubs
- 010-163-00 — O-ring for 21-88 oil cap
- 046-032-00 — Rubber plug for 21-88 oil cap
Specifications
| 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.