1211997 Ring-Seal Fits Caterpillar Models
1211997 Ring-Seal Fits Caterpillar Models
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One New Aftermarket Replacement Ring-Seal for Caterpillar (Cat) Construction Equipment
This aftermarket replacement Ring-Seal (part number 1211997) is a backup-style ring seal designed for high-pressure static and dynamic sealing applications throughout Caterpillar (Cat) engines and machines. Backup ring seals prevent seal extrusion under high-pressure conditions and are used in hydraulic pumps, valves, and engine systems to protect the overall sealing system from pressure surges and contamination.
Application Notes
This ring seal is used across a wide range of Caterpillar construction equipment. Specific model fitment varies. Use your equipment's model number and serial number to confirm compatibility before ordering. Refer to the official Cat parts catalog at parts.cat.com or consult your local Cat dealer for serial-number-based fitment verification.
Replaces Part Number(s):
1211997
New aftermarket replacement part - not remanufactured, not used.
