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333-8688: U-Cup Seal
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    333-8688: U-Cup Seal

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    About this product

    Cat U-cup seals provide a fluid tight seal between the hydraulic cylinder and shaft. Their U-shaped cross-section automatically compensates for higher pressures to maintain a constant seal.

    • Material: Nitrile
    • Fits 110 mm (4.33 in) diameter shaft

    Used as needed to service hydraulic cylinder components to keep your equipment leak free. Consult your owner's manual or contact your local Cat Dealer for more information.

    • Material Description: Nitrile
    • Diameter (mm): 124.92 (Groove)
    • Rod Diameter (mm): 110
    • Width (mm): 14.1 (Groove)
    • Outside Diameter (mm): 127.9


    349D 349D2 336D 336D2 349D2L 336D2L 336-07