1. The returned, removed part (core) must be the equivalent of the purchased product covered by TR sales form and it is recommended to deliver it in the packaging after the purchased copy. In accordance with environmental protection regulations, cores should be protected and packed in such a way that they do not pollute the environment. Remove dismantled parts (eg power steering transmissions, pumps, air conditioning compressors), remove the remaining working medium and plug the sockets with plugs removed eg from 3. Only a complete part, not broken down into components and meeting the following technical requirements, may be accepted. Choose a supplier: