Product Detail

Stemco 383-8139 Wheel Seal – High Performance Hub Seal for Heavy-Duty Applications

Stemco 383-8139 Wheel Seal – High Performance Hub Seal for Heavy-Duty Applications

$118.56

SKU: 383-8139 Categories: ,

Description

The Stemco 383‑8139 is a complete Voyager™ wheel seal kit—featuring a hub-inserted, unitized design with bonded rubber sealing on both OD and ID—for heavy-duty front axle assemblies. Built to exceed OEM standards, it delivers superior protection against contamination, ensures excellent durability, and provides a tight, maintenance-reducing seal.

🔧 Key Features

  • Comprehensive Kit includes the wheel seal and the 310‑1132 spindle donut (shoulder bushing)

  • Bonded rubber OD/ID enables easy piloted installation and reliable seal

  • Four-zone labyrinth seal design for maximum contaminant exclusion

  • Unitized, rugged steel construction resists damage during install

  • 📏 Technical Specifications

  • Seal Bore (Inner Diameter): 4.000 in (shaft)

  • Seal OD (Hub Bore): ~5.125 

  • Seal Width: ~0.960

  • Included Axle Ring (310‑1132): ID 2.625 in, OD 4.000 in, Width 0.750 

🔄 Cross-Reference & Interchangeable Part Numbers

Compatible with multiple equivalent seals from top brands:

  • National: 370033A

  • Boss Seals: B370033

  • SKF / Chicago Rawhide: 39977, 39988

  • Mechanex / Barrier: HS39977

  • Triseal: 65294W

  • Mack OEM: 32QJ248, 32QJ262, 88AX110, 88AX305, 891016

  • Volvo: 8510 3343 (cross for Volvo OEs 1093082, V1093082, 892487, 3948302)

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