J.C. Whitney JRC28370002 Front Wheel Hub Assembly 8-Stud 4WD OEM Replacement

The J.C. Whitney JRC28370002 is a front wheel hub assembly engineered as a direct OE replacement for 4WD applications. Replacing OEM part number 23203922, this unit is designed to restore proper wheel rotation, smooth steering, and ABS functionality. It is a symmetric left/right (RH=LH) design, meaning a single part number serves both driver and passenger sides.

This hub assembly features an 8-stud bolt pattern and integrates a sealed wheel bearing unit pre-packed with lifetime lubrication for long service life. The integrated ABS tone ring and sensor connector maintain compatibility with the vehicle's anti-lock braking system. The axle nut should be torqued to 177 ft-lb (240 Nm) upon installation.

Key Features:

• Direct-fit OEM replacement — no modifications required
• Left/right interchangeable design (RH = LH)
• 8-stud hub configuration for heavy-duty 4WD applications
• Integrated sealed bearing with lifetime lubrication
• ABS tone ring and sensor connector included
• Axle nut torque spec: 177 ft-lb / 240 Nm
• Replaces OEM part number: 23203922
• Cross-reference part numbers: SP620303, MB50308, 515145

This assembly is built to meet or exceed original equipment standards, ensuring reliable performance under the demanding loads typical of heavy-duty truck operation.