UFP Wear Sleeve & O-Ring Kit – 2.125" Spindle – 5.2K–7K Trailer Axles (32738U-KIT)
Replacement wear sleeve and O-ring kit for 2.125" spindles on 5.2K–7K trailer axles. Restores sealing surface for oil bath or grease hubs and prevents contamination at the spindle seal.
R&P Knowledge Hub
Compatibility: Designed for UFP-style hubs and spindles requiring a wear sleeve and O-ring seal interface.
Vehicle / System Fit: Common on 5,200 lb to 7,000 lb trailer axles using 2.125" spindle seal surfaces.
Installation Notes: Sleeve must be installed squarely on a clean spindle surface. O-ring must seat properly to ensure full sealing contact.
Performance Insight: Worn spindle surfaces can cause seal failure. This kit restores the sealing surface and prevents grease or oil leakage, extending bearing life.
Features
- Restores damaged or worn spindle seal surfaces
- Designed for UFP hub and seal systems
- Prevents grease and oil leakage at the hub
- Ideal for axle rebuilds and maintenance service
Specifications
| Specification | Detail |
| Type | Wear Sleeve & O-Ring Kit |
| Application | Trailer Hub Seal Repair / Replacement |
| Fitment | 2.125" Spindle Seal Surface |
| Material / Finish | Hardened Steel Sleeve / Rubber O-Ring |
| Key Measurement | 2.125" Inner Diameter |
| Part Number | 32738U-KIT |
Fitment / Application
| Category | Details |
| System Type | UFP / Oil Bath / Grease Hub Systems |
| Axle Rating | 5.2K – 7K Trailer Axles |
| Notes | Verify spindle diameter and seal surface condition before installation |
Included Components
| Quantity | Item |
| 1 | Wear Sleeve |
| 1 | O-Ring Seal |
Verify all specifications, measurements, and compatibility before installation.
