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BackHomeHydraulicsHydraulic Cylinders & ComponentsHydraulic Cylinder Seals421-4026: 82.5mm Inner Diameter U Cup Seal
BackHome
HydraulicsHydraulic Cylinders & ComponentsHydraulic Cylinder Seals
421-4026: 82.5mm Inner Diameter U Cup Seal
421-4026: 82.5mm Inner Diameter U Cup Seal
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421-4026: 82.5mm Inner Diameter U Cup Seal
421-4026: 82.5mm Inner Diameter U Cup Seal
421-4026: 82.5mm Inner Diameter U Cup Seal
421-4026: 82.5mm Inner Diameter U Cup Seal
421-4026: 82.5mm Inner Diameter U Cup Seal

Cat® U Cup Seal ensures effective sealing and prevents hydraulic fluid leakage in tilt cylinder

Brand: Cat

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

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Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

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Warranty Information
Warranty Information

Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.

Need More Help? Contact Us

Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.

Need More Help? Contact Us

Find a DealerEmail
Parts diagram for 421-4026
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Description for part number 421-4026

Description:
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.

Application:
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.

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Warning:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications for part number 421-4026

Units of Measure

USMetric

Material: Polyurethane Plastic

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Compatible Models for part number 421-4026

TRACK-TYPE TRACTOR

D9R

WHEEL TRACTOR

657E

WHEEL SCRAPER

623F

WHEEL LOADER

950L 950G 950F II

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DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 421-4026
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 421-4026

Description:
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.

Application:
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.

View More
Warning:Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications for part number 421-4026

Units of Measure

USMetric

Material: Polyurethane Plastic

View More
Compatible Models for part number 421-4026

TRACK-TYPE TRACTOR

D9R

WHEEL TRACTOR

657E

WHEEL SCRAPER

623F

WHEEL LOADER

950L 950G 950F II

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

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