Mercury – Brg. Cup Spacer – 31-8M0048520

The Mercury – Brg. Cup Spacer – 31-8M0048520 is a genuine OEM component designed to maintain proper bearing alignment and spacing within your Mercury outboard assembly. Engineered to factory specs, this spacer ensures smooth, consistent operation of rotating components and protects against premature wear.

Key Features

OEM Quality Construction – Manufactured to Mercury’s exacting standards for optimal durability and performance

Precision Fit – Ensures accurate bearing spacing to support smooth gear and shaft function

Corrosion-Resistant – Built with materials that withstand marine environments and reduce risk of degradation

Essential Load Distribution – Helps evenly distribute pressure across bearing assemblies for longer service life

Compatibility

The Mercury – Brg. Cup Spacer – 31-8M0048520 is compatible with select Mercury outboard motors. Always confirm part compatibility with your model and serial number, or contact PartsVu’s team for expert guidance.

Ideal Use Cases

Replacing worn or damaged bearing spacers

Performing outboard lower unit overhauls

Ensuring precise alignment during bearing installation

Why Proper Spacing Matters

Improper bearing spacing can lead to excessive friction, overheating, and costly mechanical failures. This Mercury OEM brg. cup spacer ensures the correct distance between components, safeguarding your engine’s performance and longevity on the water.

Frequently Asked Questions

Is this the correct spacer for all Mercury outboards?

Not all. This part fits specific models—check your manual or contact us with your engine’s serial number for exact fitment.

What does a brg. cup spacer do?

It maintains the correct distance between the bearing and cup to prevent misalignment and wear in the drive system.

Is this an OEM part?

Yes, the 31-8M0048520 is an original Mercury-manufactured spacer designed for use in compatible marine engines.