Piston Seals

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UNITS:
  • US
  • Metric
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare
  • VERIFIED AT SERIAL RANGE

    VERIFIED AT SERIAL RANGE

    This part is listed within the factory-build configurations for this serial range, however current configuration may affect fit.
    VERIFIED AT SERIAL NUMBER

    VERIFIED AT SERIAL NUMBER

    This part is listed within the factory-build configurations for this serial number with the highest likelihood of a match, however current configuration may affect fit.
    Compare

Core Deposit

Purchase of this product requires an additional deposit that is refundable when you return the old core to the selling Caterpillar dealer. The core deposit is refunded upon return of an acceptable core (used part) to your dealer. In order to qualify for a core deposit refund, the core must meet acceptance criteria. Typical criteria include, but are not limited to: must be fully assembled and complete, not cracked or broken, free of excessive rust or pitting, free of fire damage, and must be an acceptable Cat® part number. Core acceptance criteria may vary by product - please contact your dealer for full details.
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Caterpillar is committed to providing our customers with the most reliable piston seals available for construction and mining equipment, diesel and natural gas engines, industrial gas turbines and locomotives. You can count on Cat® Parts to deliver durable and long-lasting seals that will prevent machine damage and assure optimal machine performance.

Over 200 Piston Seals of Various Bore Diameter, Grove Width and Shape Cat® Two-Piece Piston Seals consist of a piston ring and an expander that prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure greater than 3000 psi (20,670 kpa). The various shaped expanders are nitrile.

Need advice on the best piston seal for your machine? Contact your nearby Cat Dealer for expert advice and 100% support.