Caterpillar M4J9220 — B-U-Ring
Part number: M4J9220 · Brand: Caterpillar · Condition: New Aftermarket · Category: engine
Cross-references / OEM numbers: 4J9220
One New Aftermarket Replacement Hydraulic Backup Ring (B-U-Ring) Fits Caterpillar (Fits CAT) Equipment This aftermarket replacement backup ring is a hydraulic sealing component used in Fits Caterpillar (Fits CAT) hydraulic cylinder assemblies. Backup rings are installed alongside O-rings to prevent seal extrusion under high-pressure conditions, protecting the integrity of the hydraulic system and extending overall seal service life. This part is a direct aftermarket replacement Fits Caterpillar
Price: USD 33.08
In stock — worldwide air & ocean freight.