O-Ring for 21-88 Oil Cap – 10K GD Axles (After 2009)
Part Number: 010-163-00
Replacement O-ring designed to fit the 21-88 style oil cap used on 10,000 lb General Duty (10K GD) axles manufactured after 2009. This seal sits between the oil cap and hub body to help maintain proper oil bath hub sealing and prevent leakage.
Features
- Direct replacement for 21-88 oil cap O-ring
- Fits 10K General Duty axles (post-2009)
- Helps maintain proper seal for oil bath hub assemblies
- Durable rubber construction
Specifications
| Specification | Detail |
|---|---|
| Outer Diameter | 3.50" |
| Fits Oil Cap | 21-88 (021-88-00) |
| Axle Rating | 10,000 lb GD (After 2009) |
| Material | Rubber O-Ring |
Always verify your existing O-ring size and oil cap model before ordering, as 10K axle hub components can vary by production year and manufacturer.