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1583025 Ring-Backup Fits Caterpillar Models

1583025 Ring-Backup Fits Caterpillar Models

Regular price $45.00 CAD
Regular price Sale price $45.00 CAD
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One New Aftermarket Replacement Ring-Backup for Caterpillar (Cat) Construction Equipment

This backup ring is a hydraulic sealing component used in cylinder assemblies on Caterpillar construction equipment. It seats alongside the primary O-ring to prevent seal extrusion under high hydraulic pressure, helping maintain reliable fluid containment and extending the service life of the cylinder seal group.

Compatible Models

Caterpillar Knuckleboom Loaders: 539

Caterpillar Wheel Tractor-Scrapers: 623F

Caterpillar Track-Type Tractors: D7R Series II, D7R XR

Replaces Part Number(s):

1583025

Aftermarket Interchange Numbers

CA1583025, 158-3025

New aftermarket replacement part - not remanufactured, not used.

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