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. |
Complete single-wheel-end service kit built around the MAT 99-86510-HD-H hub and drum for compatible 10,000 lb trailer axle applications.
| Specification | Detail |
|---|---|
| Kit SKU | 99-86510-HD-H-KIT |
| Primary Component | MAT 99-86510-HD-H hub and drum |
| Product Type | Oil-bath hub, drum, bearing and seal kit |
| Axle Class | 10,000 lb trailer axle applications |
| Inner Bearing | 395S — 2.625-inch inside diameter |
| Outer Bearing | 387A — 2.250-inch inside diameter |
| Oil Seal | 10-3125-06 — 3.12-inch × 4.506-inch |
| Oil Cap | Dexter 021-036-00 — 4-inch oil cap |
| Quantity | One complete wheel-end kit |
| Category | Details |
|---|---|
| Primary Application | Compatible 10K trailer hub and drum applications using the listed bearing combination |
| Inner Bearing Fit | 395S bearing with 2.625-inch inside diameter; 394A race application |
| Outer Bearing Fit | 387A bearing with 2.250-inch inside diameter; 382A race application |
| Oil-Cap Applications | Listed for compatible Dexter 10K HD through 15K and pre-2009 10K general-duty applications |
| Fitment Method | Match the existing hub, bearing numbers, bearing diameters, seal dimensions and oil-cap diameter |
| Important Note | Axle capacity alone does not establish fitment. Verify every wheel-end specification before ordering. |
The kit is centered around one MAT 99-86510-HD-H hub and drum for compatible heavy-duty 10K trailer wheel-end applications.
Includes one 395S inner bearing and one 387A outer bearing in the sizes specified for this hub and drum.
Includes the 4-inch Dexter oil cap, center oil plug, cap O-ring and oil seal required for the listed oil-bath configuration.
Components are grouped as one kit for servicing one compatible trailer wheel end. Order two kits when servicing both ends of one axle.
| Quantity | Part Number | Included Item |
|---|---|---|
| 1 | 99-86510-HD-H | MAT 10K hub and drum assembly for 395S inner and 387A outer bearings |
| 1 | 395S | Inner bearing, 2.625-inch inside diameter; fits 394A race applications |
| 1 | 387A | Outer bearing, 2.250-inch inside diameter; fits 382A race applications |
| 1 | 021-036-00 | Dexter 4-inch oil cap for compatible heavy-duty wheel-end applications |
| 1 | 046-032-00 | Center oil plug for the included oil cap |
| 1 | 010-050-00 | Oil-cap O-ring, 3.734-inch inside diameter × .139-inch cross section |
| 1 | 10-3125-06 | Red oil seal, 3.12-inch × 4.506-inch |
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”
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