Replacement 4" Oil Cap Kit (Set of 2) — Replaces Dexter 21-36 — Fits 10K HD to 15K Axles
Part Number: OC-86510-16
This replacement oil cap kit includes two complete assemblies for heavy-duty trailer hubs found on many 10,000 lb (HD) through 15,000 lb axle configurations. Designed as a direct replacement for Dexter 21-36 style caps.
Features
- Replaces Dexter 21-36 oil caps
- Fits many 10K HD to 15K trailer hub assemblies
- 4" OD thread with 12 threads per inch
- Includes O-rings and rubber plugs
- Ships as an unassembled kit of two complete caps
Specifications
| Specification | Detail |
|---|---|
| Thread Outside Diameter | 4" |
| Thread Count | 12 TPI |
| Axle Rating Range | 10,000 lb (HD) to 15,000 lb |
| Replaces | Dexter 21-36 |
| Kit Includes | (2) Caps, (2) O-rings, (2) Rubber Plugs |
Important: This kit does not fit Dexter 10K general-duty axles, 2009 and newer (#21-88). Always verify your thread diameter and count before ordering.