Eppendorf O-ring (4CG135) 5721411190

This item is an original-equipment manufacturer (OEM) replacement O‑ring sold under Eppendorf part number 5721411190. It is a rubber sealing ring intended as a spare/consumable for Eppendorf centrifuge rotors, rotor buckets and related bottle/seal assemblies, used to restore or maintain a pressure- and leak-tight interface. Primary use cases are routine maintenance and service of Eppendorf centrifuges and rotors where worn or damaged seals must be replaced to preserve safe operation and reliable sample containment.

Key Features:

• Manufacturer: Eppendorf (OEM spare part)
• Manufacturer part number: 5721411190 (product identification for ordering replacement O‑ring)
• Product type: O‑ring / sealing ring designed for use with Eppendorf rotor, bucket or bottle assemblies as a replacement spare

Advantages:

• OEM compatibility — designed to match Eppendorf rotor/bottle interfaces for correct fit and function, reducing risk of improper sealing.
• Restores leak- and pressure-tight sealing to protect samples and prevent fluid ingress/egress during centrifugation.
• Supports equipment reliability and safety by replacing worn seals as part of regular maintenance, helping avoid unexpected downtime.
• Simplifies procurement and service by using a manufacturer part number for accurate replacement ordering and inventory control.