O-RING (CAT CT21001-00105)

CT21001-00105: A damaged retaining ring can lead to component separation or leakage under pressure. This aftermarket replacement part references CAT as the OE maker and cross-references part number CT21001-00105. The retaining ring functions as a mechanical fastener that holds components in position within an assembly. When a retaining ring fails, parts may shift or dislodge, causing operational failure or fluid loss. During routine service, a retaining ring should be inspected for deformation or cracks. Verify the serial number or application, then call (562) 693-7748. Call (562) 693-7748 after checking the serial number or application.

Part number variants: CT21001-00105, ct21001-00105, CT2100100105, ct2100100105