371-0447: 150.08mm ID Apron Cylinder Backup Ring

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Backup Rings

Cat® Lift Cylinder Backup Ring seals the hydraulic lift cylinder, preventing fluid leakage and maintaining pressure for efficient lifting operations

Brand: Cat

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371-0447: 150.08mm ID Apron Cylinder Backup Ring

Cat® Lift Cylinder Backup Ring seals the hydraulic lift cylinder, preventing fluid leakage and maintaining pressure for efficient lifting operations

Brand: Cat

Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.

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Warranty Information

Return Policy

371-0447

141-1774

378-8553

View All Parts

371-0447: 150.08mm ID Apron Cylinder Backup Ring

141-1774: 5.33 x 135.89mm 90A NBR O-Ring

378-8553: RING-WEAR

278-2324: 67.75mm Inner Diameter Wiper Seal

167-2235: 70mm Rod Diameter Plastic Buffer Seal

167-2299: 69.27mm Inner Diameter Cylinder Rod U-Cup Seal

Diagram

Description

Specifications

Compatible Models

Parts diagram for 371-0447

Specifications for part number 371-0447

Units of Measure

Metric

Material Description:

Nylon Plastic provides good resistance to fuels, oils and lubricants. Many different formulations are used, some of which can support high mechanical loads, and perform well at elevated temperatures.

Cross Section Width (in):

0.07

Notes:

Dimensions and Material Descriptions provided for reference only. Color may differ from image.

Cross Section Height (mm):

3.9

Cross Section Width (mm):

1.9

Material:

Nylon Plastic,Polyamide Plastic

Inside Diameter (mm):

142.2

Inside Diameter (in):

5.6

Cross Section Height (in):

0.15

Compatible Models for part number 371-0447

WHEEL TRACTOR

627H 621H

WHEEL TRACTOR-SCRAPER

627K 627 627K LRC 621K 621

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