OC-86510-16 - Plastic Oil/Grease Cap – For 12K–15K Hubs | MT

OC-86510-16 - Plastic Oil/Grease Cap – For 12K–15K Hubs | MT
This heavy-duty plastic oil/grease cap is designed for high-capacity trailer axles ranging from 12,000 to 15,000 lbs. Featuring a 4" threaded outer diameter and 12 threads per inch, this cap delivers secure sealing performance in oil bath hub systems. Ideal for Dexter 10K HD to 15K axles, this cap includes an O-ring and rubber plug for a complete installation.
Detailed Information:
| Thread Diameter | 4" |
|---|---|
| Thread Count | 12 TPI |
| Material | Plastic |
| Axle Rating | 12,000–15,000 lbs (Also fits 10K HD) |
Fitting:
Designed for use with Dexter 10K HD to 15K oil bath axle hubs. Replaces Dexter oil cap part #21-36. Not compatible with Dexter 10K General Duty axles manufactured in 2009 or later (part #21-88).
Features:
- Complete Solution: Includes oil cap, rubber plug, and O-ring for a full replacement.
- Heavy-Duty Compatibility: Supports high-load axles in industrial and commercial trailer applications.
- Secure Fit: Threaded design provides reliable sealing and helps retain lubrication.
- Durable Construction: Made from impact- and oil-resistant plastic for long service life.
Interchangeable Part Numbers:
- OC-86510-16-LOTOF2
- OC-86510-16
- 21-36
- K71-148-00
Product Overview:
This 4" threaded plastic oil/grease cap is a critical component for maintaining proper lubrication in 12K–15K trailer hubs. Designed for Dexter HD axle systems, it ensures effective sealing and ease of service with its included plug and O-ring. A reliable replacement solution for demanding towing and transport environments.
- Product type: Oil & Dust Caps



















