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231-5021: Hydraulic Cylinder Seal Kit - Standard Size

Parts included in this kit

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8J-6245: 95.25mm Outer Diameter Plastic Ring

Quantity: 1

1S-0669: 88.55mm Inner Diameter Backup Ring

Quantity: 1

2H-4145: SEAL

Quantity: 1

1H-8128: 94.84mm Inside Diameter Seal-O-Ring

Quantity: 1

167-2207: 70mm Rod Diameter Buffer Seal

Quantity: 1

439-2698: 69.8mm Inner Diameter U-Cup Seal

Quantity: 1

5J-8011: Cylinder Expander Seal

Quantity: 1

5J-7036: 14.1mm Thick Snap In Single Lip Wiper Seal

Quantity: 1

8C-9200: 1.5mm Thick Rod Guide

Quantity: 1

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DescriptionSpecificationsCompatible Models

Description for part number 231-5021

Description:Cat® Hydraulic Cylinder Seal Kits contain all seals required for a complete reseal of a hydraulic cylinder.Attributes:Cat® Hydraulic Cylinder Seal Kits contain genuine Cat® seals, many of which feature proprietary materials and patented designs for superior compression set and broader temperature applications. All are matched to your application, helping to ensure top performance and long wear life. Also, because Cat® Hydraulic Cylinder Seal Kits provide all seals required for a complete reseal, customers are provided with a quick solution during time sensitive repairs. This ensures maximum uptime and productivity.Recommended Application: Cat® Hydraulic Cylinder Seal Kit application is specific to a cylinder group part number and incorporates the most recent engineering improvements.

Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Specifications for part number 231-5021

We are still working on adding a specification for this part.

Compatible Models for part number 231-5021

BACKHOE LOADER

446D 420D 442D 430D 432D

Key

Key

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