Match the part number, measurements and connection points that apply to your trailer.
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |
Part Number: OC-86510-16 (Replaces Dexter K71-148-00)
Replacement oil cap kit designed for heavy-duty trailer axles using threaded oil bath hub caps. This set includes four complete oil caps with sealing components and is intended to replace Dexter 21-36 style oil caps used on 10,000 lb (HD) through 15,000 lb axle applications.
| Application Range | 10,000 lb (HD) to 15,000 lb trailer axles |
| Thread Outside Diameter | 4" OD |
| Thread Pitch | 12 threads per inch |
| Replaces | Dexter 21-36 / K71-148-00 |
| Kit Quantity | 4 oil caps, 4 O-rings, 4 rubber plugs |
Not compatible with Dexter 10,000 lb general duty axles manufactured in 2009 and newer using Dexter 21-88 oil caps with 3-1/2" threads. Verify axle type, oil cap style, and thread dimensions before installation.
