Your search for "010-051-00" revealed the following:

(10-2875-08) Oil Seal Replacement for Dexter 10-51 Grease 9K 10K GD Trailer Axle 7700081

(10-2875-08) Oil Seal Replacement for Dexter 10-51 Grease 9K 10K GD Trailer Axle 7700081

$21.06

Replacement Red Seal Fits Dexter 10-51 Oil Bath 9K 10K GD 3.88"OD 2.875"ID (10-2875-06)

Replacement Red Seal Fits Dexter 10-51 Oil Bath 9K 10K GD 3.88"OD 2.875"ID (10-2875-06)

$21.06

7700081-2

2x Oil Seal Replacement for Dexter 010-51-00 Grease 9K 10K GD Trailer Axle 10-51 (10-2875-08-LOTOF2)

$34.99

2 x Genuine Dexter Seal Replacement K71-387-00 Grease 9K 10K GD 3.88"OD 2.875"ID (10-51-L2)

2 x Genuine Dexter Seal Replacement K71-387-00 Grease 9K 10K GD 3.88"OD 2.875"ID (10-51-L2)

$45.13

ONE - Genuine Dexter Replacement Seal Grease 9K 10K GD Axel 3.88" OD 2.875"ID (010-051-02)

ONE - Genuine Dexter Replacement Seal Grease 9K 10K GD Axel 3.88" OD 2.875"ID (010-051-02)

$26.99

FOUR (4)- Genuine Dexter Replacement 10-51 Seal Grease 9K 10K GD Axel 3.88" OD 2.875"ID (010-051-02x4)

FOUR (4)- Genuine Dexter Replacement 10-51 Seal Grease 9K 10K GD Axel 3.88" OD 2.875"ID (010-051-02x4)

$79.93

008-430-05

Dexter Hub/ Brake Drum 12-1/4x3-3/8" 10K GD 13G Trailer Axle 9-123 8-415 10,000# (008-430-05)

$684.71