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Champion Trailers

Trusted Source of Trailer Parts and Repair

1-800-229-6690 | Slidell, Louisiana

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    2016 NATDA Member

    Trailer Seal 21333 - 2.125 ID x 3.37 OD

    • Seal 21333 (Each)
    $3.95
    SKU:
    231
    Availability:
    In Stock
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    Product Description

    Trailer Wheel Seal 21333

    The 21333 trailer wheel seal is usually found on the 1-3/4 x 1-1/16 spindle in either a 6 lug or an 8 lug trailer hub, however, it is a more uncommon seal.  This trailer grease seal is made of the standard metal body with the double lip rubber seal.  Colors may vary from blue, green, or beige on the outer metal. 

    Seal Inside Diameter:  2.125"

    Seal Outside Diameter: 3.37"

    Typically used with inner bearings 25580

     

    Seal Number Cross Reference

    Transcom Number 21333

    National Number 440972

    NOK Number AF7172E1

    Dexter Number 010-001-00

    Chicago Rawhide Number 21352

     

    Trailer wheel seals are an integral part of a well operating trailer hub.  Trailer seals are installed in the back of the hub and seal to the section of the spindle that works to keep the wheel bearing grease or oil in a trailer hub, prevents water and dirt from entering the hubs which could cause bearing failure.  Therefore, it is extremely important to inspect your trailer seals regularly.  Grease or oil leaking past the seal seat or grease on the back of your trailer rim is a sign of a worn, torn, or old seal and must be fixed to prevent damage to the trailer hub or the trailer axle.

     

    Double Lip Seal Diagram


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