21-88 Oil Bath Cap Kit with Plug and O-Ring – 3.5" Cap for 10K GD Axles
Part Number: 21-88-KIT
Complete oil cap service kit including cap, sealing O-ring, and center plug for 21-88 oil bath applications. Designed for 10K general duty axles manufactured after July 2009.
R&P Knowledge Hub
Oil bath systems rely on proper sealing to retain lubricant and protect bearings. Replacing worn caps, plugs, and O-rings helps prevent leaks and extends hub life.
Features
- Complete service kit for 21-88 oil bath caps
- 3.50" oil cap for 10K GD axles (post July 2009)
- Includes matched O-ring and center plug
- Maintains proper oil retention and sealing performance
Specifications
| Part Number | 21-88-KIT |
| Cap Size | 3.50" OD |
| Application | 21-88 Oil Cap Systems |
| Axle Rating | 10K GD (Post July 2009) |
| Material | Standard Oil Bath Components |
Included Components
| Part Number | Quantity | Description |
|---|---|---|
| 21-88 | 1 | Oil Bath Cap (3.50") |
| 010-163-00 | 1 | O-Ring for 21-88 Cap |
| 046-032-00 | 1 | Center Oil Plug |