USA Standard Gear ZMBK550WS Master Bearing Kit with Wheel Seals

The USA Standard Gear ZMBK550WS is a complete master bearing kit with wheel seals designed for differential and axle rebuilds. This comprehensive kit supplies all the bearings, races, shims, and seals needed to properly rebuild the differential, eliminating the need to source individual components separately.

Key Features:

• Complete master rebuild kit — includes bearings, races, pinion shims, and wheel seals
• All components manufactured to OEM specifications for proper fit and performance
• High-quality bearings designed to handle the torque and load demands of the application
• Wheel seals included to prevent fluid leaks and protect bearing surfaces
• Saves time by consolidating all required rebuild components in one package
• USA Standard Gear quality construction for long service life

USA Standard Gear master bearing kits are a trusted choice among professional builders and serious enthusiasts. The ZMBK550WS ensures that every critical wear component is replaced during a rebuild, restoring proper preload, reducing noise, and extending differential service life.