UFP Stainless Steel Spindle Wear Sleeve - 2.13" O.D. 5,200 - 6,000 lb Trailer Axles - Grease Seal
Replacement stainless steel spindle wear sleeve for compatible UFP trailer axle applications. This sleeve provides the smooth sealing surface where the hub grease seal rides on the spindle.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | 33523U |
| Brand | UFP Trailer Parts |
| Product Type | Spindle wear sleeve / seal wear ring |
| Inside Diameter | Approx. 2.04" |
| Outside Diameter | Approx. 2.13" |
| Height | Approx. 0.625" - verify before ordering |
| Material / Finish | Stainless steel |
| Quantity Included | 1 wear sleeve |
Fitment / Application
| Category | Details |
|---|---|
| Trailer System | Compatible UFP trailer axle spindle seal shoulder applications |
| Common Axle Reference | Often listed for 5,200 lb UFP axle applications |
| Primary Fit Check | Match the existing sleeve OD, ID, spindle shoulder, and grease seal riding surface before ordering |
| Important Note | This is the 2.13" OD sleeve. Do not confuse it with smaller 1.68" OD UFP wear sleeves used on different axle families. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Stainless Steel Sleeve | Provides a smooth, corrosion-resistant surface for the grease seal to ride on |
| 2.13" Outside Diameter | Helps identify the correct larger UFP sleeve family before installation |
| Seal Surface Repair | Replaces a worn sleeve surface instead of replacing the full spindle or axle assembly |
| Sold Individually | Order one per spindle being serviced |
Overview
The UFP 33523U spindle wear sleeve is a stainless steel replacement sleeve used on compatible UFP trailer axle spindles. It installs at the spindle seal shoulder and provides the surface where the hub grease seal rides. This component is commonly used during hub, bearing, or seal service when the existing sleeve is worn, grooved, corroded, or removed during repair.
R&P Service Insight
Wear sleeves are small parts, but they are critical to keeping the grease seal working correctly. A damaged seal surface can allow grease loss or water intrusion even when the hub, bearings, and seal are otherwise correct.
- Confirm the Sleeve Family: This listing is for the 2.13" OD wear sleeve, not the smaller 1.68" OD UFP sleeve.
- Inspect the Seal Shoulder: Check the spindle area where the seal rides for grooves, corrosion, or uneven wear.
- Order by Measurement: Axle rating references are helpful, but measurements should be verified before ordering.
R&P Knowledge Hub
Compatibility: This sleeve is intended for compatible UFP spindle applications that use a 2.13" OD seal wear sleeve. Verify the existing sleeve and spindle measurements before ordering.
Trailer / Axle Fit: UFP axles are commonly found on many boat trailers, including several OEM trailer applications. Trailer brand alone is not enough to confirm fitment.
Installation Notes: Remove the old sleeve carefully without damaging the spindle shoulder. Install the replacement sleeve squarely so the grease seal has a smooth and even contact surface.
Performance Insight: A smooth stainless seal surface helps the grease seal maintain contact and reduces the chance of seal failure caused by a grooved or corroded spindle sleeve.
Brand & Fitment Note
Selling Brand: UFP Trailer Parts
Application Reference: UFP, Dexter, EZ Loader, Ranger, and other trailer names may appear in buyer searches or application references, but final fitment should be confirmed by axle type and sleeve measurements.
What This Means: This listing is for one UFP 33523U stainless spindle wear sleeve. It should not be selected by trailer brand alone.
Before Ordering: Verify the existing sleeve OD, ID, spindle shoulder, seal size, axle family, and quantity needed before installation.
R&P Repair Insight
If you are replacing a hub seal and the seal surface is worn, replacing only the seal may not solve the leak. The seal must ride on a clean, smooth sleeve surface to work properly.
- Check Existing OD: Measure the sleeve outside diameter and confirm it is the 2.13" family.
- Check Seal Contact Area: Look for a groove where the old seal rode on the sleeve.
- Check Quantity: This listing includes one sleeve. Order two if servicing both sides of one axle.
Features
UFP Spindle Wear Sleeve
Replacement sleeve for compatible UFP trailer axle spindle seal shoulder applications.
2.13" Outside Diameter
Identifies this as the larger UFP sleeve size and helps prevent confusion with smaller UFP wear rings.
Stainless Steel Construction
Provides a smooth sealing surface for the grease seal and helps resist corrosion in trailer service environments.
Sold Each
Includes one sleeve for one spindle. Order the quantity needed based on the number of spindles being serviced.
Included Components
| Quantity | Item |
|---|---|
| 1 | UFP 33523U stainless steel spindle wear sleeve |
| Not Included | Grease seal, bearings, hub, spindle, axle nut, washer, cotter pin, or installation hardware |
