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

TWO - Genuine Dexter Replacement 2.875 x 3.880 Oil Seal for 9K - 10K Dexter Axles Part Number: 10-51-L2   Dexter Recommends using this seal for replacement. This seal is genuine DexterThis seal is made by Dexter special for replacement use, Dexter does NOT recommend the standard 010-51-00 sealThis is for two (enough for one axle) oil / grease seals for Common 9,000# and 10,000# Generally Duty trailers axles, typically found with 12.25"  x 3.375" drum brakes. This is a "unitized" oil seal, in the it is a "internal" seal designed to work with oil type hubs. This seal usually fits hub casting numbers 9-44, 8-415 and 9-123 to name few.   A unitized seal is a dual action seal. The inner part stays fixed on the spindle and the outer casing rotates with the hub. This type of seal has less wear and tear and provides better leak protection.   These Seals are Dexter Part Number 010-051-02 replace BOTH 010-051-02 and 010-051-00.  This seal is slightly thinner to avoid rubbing against bea