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Working on a Dexter trailer axle?

This is the seal you need.

It's a National Seal replacement, size 10-51-2.

The outer diameter is 3.88 inches, the inner diameter is 2.875 inches.

It's designed for the 9K and 10K GD axles, and it crosses to 370150A.

This is a new, unbranded seal, but it matches the specs for the Dexter application.

If you're pulling an axle to replace bearings or just fixing a leaky seal, grab this.

It's cheap insurance against grease leaking onto your brakes.
New, ready to install.

4 out of 5