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Description
The Dexter 10-55-1 Oil Seal is a heavy-duty replacement wheel-end seal designed for compatible Dexter 20,000–25,000 lb trailer axles. Featuring a 4.625" inner diameter and 6.00" outer diameter, this D200 oil seal helps retain hub lubricant while protecting internal bearings and wheel-end components from dirt, moisture, and road contaminants. Built for demanding commercial and heavy-duty trailer applications, it provides dependable sealing performance during regular operation.
Detailed Information:
Product Type
Trailer Axle Oil Seal
Brand
Dexter
Part Number
10-55-1
Seal Reference
D200
Inner Diameter (I.D.)
4.625"
Outer Diameter (O.D.)
6.00"
Lubrication Type
Oil
Axle Capacity
20,000–25,000 lbs
Application
Heavy-Duty Trailer Hub & Bearing Assemblies
Fitting:
Designed for compatible Dexter 20K–25K trailer axle assemblies requiring a D200 oil seal with a 4.625" inner diameter and 6.00" outer diameter. Commonly used in heavy-duty oil-lubricated trailer hub applications. Verify the existing seal part number, spindle sealing surface, and hub bore dimensions before ordering to ensure proper fitment.
Features:
Heavy-Duty Axle Compatibility: Designed for compatible Dexter 20,000–25,000 lb trailer axle applications.
Precision Dimensions: Features a 4.625" I.D. and 6.00" O.D. for proper fitment in compatible wheel-end assemblies.
Oil Retention: Helps maintain proper lubrication inside the trailer hub and reduces the risk of lubricant leakage.
Contaminant Protection: Helps prevent dirt, moisture, dust, and road debris from entering the bearing assembly.
Bearing Protection: Supports reliable wheel-end operation by maintaining lubrication and reducing contamination-related wear.
Commercial Trailer Application: Suitable for demanding heavy-duty hauling and equipment trailer applications.
Service Replacement: Ideal for scheduled axle maintenance, hub servicing, and oil seal replacement.
Interchangeable Part Numbers:
Dexter 10-55-1
D200 (Seal Reference)
Product Overview:
The Dexter 10-55-1 D200 Oil Seal is an essential wheel-end component for compatible 20K–25K heavy-duty trailer axles. Measuring 4.625" I.D. x 6.00" O.D., this seal helps retain hub oil and protect internal bearings from external contaminants. Whether performing routine maintenance or replacing a worn seal, it provides dependable sealing protection for demanding commercial trailer applications.
Trailer Oil Seal – 10-55-1 – For 20K–25K Axles | DXT
