3RACING Cero Silicon O Ring 5x7 SAK-C118B Service Seal  [SAK-C118B]

Cero 5x7 O Ring by 3RACING for Maintenance

The 3RACING SAK-C118B silicon O ring in 5x7 format is a small but important replacement for maintaining reliable seals on Cero RC cars. It helps stop seepage and keeps assemblies operating as intended between services.

Correct Size and Resilient Material

Constructed from silicon, this O ring features a 5mm inner diameter and a 7mm outer diameter, matching common sealing requirements on Cero components. The silicon construction is chosen for flexibility and repeated use under typical hobby conditions.

Low Effort Replacement to Avoid Issues

Replacing an old O ring is a simple preventative task that preserves performance. The 3RACING Cero Silicon O Ring SAK-C118B is an affordable spare that helps prevent small leaks from turning into larger maintenance jobs.