Choose an O-ring Size or Enter Dimensions
Find and buy o-rings online by various international size standards, or enter custom dimensions to see available products and materials. Custom sizes can be produced quickly and often without tooling fees.
Browse O-Rings by Base Material Type
Choose from numerous material types for your application. Custom material formulation is available.
Aflas®
Buna-N (NBR)
EPDM (EPR)
FKM (Viton®)
FFKM
Fluorosilicone
Silicone
Polyurethane
Teflon® (PTFE)
Teflon® Encap
HNBR
Carboxylated Nitrile
Neoprene®
Butyl
CSPE
Browse O-Rings by Compliance
Buy o-rings online that will help you meet your respective industry safety and performance requirements.
FDA
USP Class VI
NSF 51
NSF 61
QPL
UL
Metal Detectable
3-A Sanitary
ADI Free
QPL AMS7379
Browse O-Rings by Brand
Browse sealing solutions by brand, including high-performing Marco-developed alternatives.
Markez®
Parker Seal®
Chemraz®
Simriz®
Parofluor®
Why Buy O-Rings Online at Marco Rubber & Plastics?
For more than 40 years, Marco Rubber & Plastics has been helping companies in industries around the world seal the success of their unique applications to improve performance, increase safety, meet compliance requirements, and ultimately ensure a successful product experience. In every application, we're committed to helping you find the right seal for your needs — whether that's a standard, readily available seal or a custom-formulated solution developed by our expert application engineers. When you buy o-rings online with us, you not only benefit from our decades of proven expertise, but you also receive the service and support you won't find anywhere else. If you have any questions about buying o-rings online with us, please don't hesitate to contact us. We look forward to sealing the success of your application, now and for years to come.
Have Questions About Your Specific Application?
Connect With an Expert
- Expert product, application and design assistance
- Trusted by 14,000+ customers
- Fast response (usually within hours)
Marco Rubber & Plastics is an industry leader in custom sealing solutions that go beyond the limits of catalog commodities. Since 1980, our solutions have delivered reliable, long-lasting success for customers worldwide. We offer the largest inventory of specialty and standard sealing solutions backed by best-in-class technology, service and support.
