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The Stemco Drive Axle Wheel Seal controls lubricant containment at the wheel end while allowing axle rotation. Positioned between stationary hub components and rotating axle elements, the seal forms a continuous barrier that limits lubricant loss. As the axle turns, the sealing surfaces follow the motion while blocking external contaminants. The seal works continuously whenever the vehicle is moving without adjustment or active input. Its effectiveness depends on surface contact and alignment rather than pressure regulation. Proper sealing supports consistent wheel-end conditions throughout operation. The Stemco 320-2039 functions within drive axle hub assemblies.
| Product Type | Wheel Seal |
| Width | 0.984 IN |
| Bore Diameter | 5.125 IN |
| AXLE RING OUTER DIAMETER | 4 .041 IN |
| Seal Type | B |
| SHOULDER OUTER DIAMETER | 4 .041 IN |
| AXLE RING OUTER DIAMETER | 4.041 |
| SHOULDER OUTER DIAMETER | 4.041 |
| Harmonized Tariff Code (HTS) | 4205008000 |
| UPC | 00703832131101 |
| VMRS Code | 018002005 |
| Brand | Part Number |
|---|---|
| 320-2039, STM3202039 | |
| MACK | 32QJ225 |
| Mack | 88AZ110 |
| NATIONAL SEALS | 370033A |
| NAVISTAR | ZCP3202039 |
| Stemco | ZCP3202039 |
| TIMKEN | 10L40470, 10X26252 |
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