Atlas Copco Oil Stop / Check Valve Kit C111 – 2901021704

Part Number: 2901021704 (also referenced as 2901‑0217‑04)

Application: Replaces the Oil‑Stop / Check Valve assembly for C‑series compressors—principally model C111—and similar fixed-speed GA/C units.

The 2901021704 kit supplies an OEM-spec oil stop (check) valve designed to prevent backflow of oil when the compressor unloads or shuts down. It ensures the oil circuit remains pressurized and stops oil from draining back into the airend, safeguarding bearing lubrication and system integrity  .

Yes, airlinkcompressors.com offer an installation & commissioning service, please contact support for further information on technical@airlinkcompressors.com

If you purchase any equipment from airlinkcompressors.com you are entitled to free full technical support from experts in the trade, supporting with installation, repairs & servicing. We also offer onging maintenance packages inhouse, please contact technical@airlinkcompressors.com for further information.

Yes, airlinkcompressors.com deliveries can be sent to different adresses across the UK.

Yes, we do deliver to NI (Northern Ireland) for larger items please ask for a carrige costing - sales@airlinkcompressors.com

Yes, a VAT invoice is sent automatically once the order has been dispatched to the email address supplied when originally ordered.

Yes, airlinkcompressors.com offer an installment option through Klarna, Please click here for further information.