1.98" Vault Oil Bath Protector with O-Ring
Part Numbers: 07502 + 32742
Stainless steel 1.98" oil bath protector with matching O-ring for Trailer Buddy axles equipped with The Vault HLS lubrication system. Fits standard 1.980" hub bores and helps maintain a clean, sealed hybrid lubrication chamber.
R&P Knowledge Hub
This protector is intended for Trailer Buddy hubs using The Vault HLS (Hybrid Lubrication System), not a traditional serviceable oil-bath setup.
Always verify the hub bore before ordering. This cap is built for a 1.980" bore, commonly found on many 5-lug trailer hubs using Vault-style lubrication components.
Pro Insight: Replacing both the protector and the matched O-ring together helps maintain a more reliable seal and reduces the chance of contamination at the hub opening.
R&P Service Insight
These protectors are commonly replaced when the seal surface becomes worn, the cap is damaged during removal, or the O-ring has flattened from age and heat cycling.
- Wear: Repeated hub service can affect sealing surfaces over time
- Exposure: Moisture and road debris can compromise the sealing area
- Maintenance: A fresh O-ring helps restore proper cap-to-hub sealing
Features
- Stainless steel construction
- 1.980" outside diameter fits 1.98" hub bores
- Designed for Trailer Buddy axles using The Vault HLS
- Helps protect the hybrid lubrication chamber with a sealed barrier
- Includes matched 1.98" O-ring
- No periodic servicing required under normal operation
Fitment & Application
- Fits Trailer Buddy axle hubs using The Vault HLS lubrication system
- For standard 1.980" hub bores
- Commonly used on many 5-lug trailer hubs
- Intended as a protector cap and seal component for hybrid-lubrication hubs
Best Use Practices
- Confirm the hub bore measures 1.980" before installation
- Install with the correct matching O-ring for best sealing performance
- Inspect the hub opening for damage, corrosion, or debris before seating the protector
- Replace damaged or flattened seals during hub service rather than reusing them
Specifications
| Specification | Detail |
| Type | Vault oil bath protector with O-ring |
| Application | Trailer hub lubrication sealing / protection |
| Fitment | Trailer Buddy axles using The Vault HLS |
| Hub Bore Size | 1.980" |
| Material | Stainless steel |
| System Compatibility | The Vault HLS (Hybrid Lubrication System) |
| Part Numbers | 07502 (protector), 32742 (O-ring) |
Included Components
| Component | Quantity |
| Vault Oil Bath Protector — 07502 | 1 |
| 1.98" O-Ring — 32742 | 1 |
Verify hub bore size and lubrication system compatibility before ordering or installation.