Technic Driving Ring 3L – 18947

Replace a worn or missing transmission component with LEGO® Technic driving ring 18947. This Dark Bluish Gray 3L driving ring features two raised circular collars around a central barrel and is designed for use in compatible Technic gear-shifting mechanisms.

3L Driving Ring for Technic Gearboxes

The driving ring moves within a matching gearbox assembly to engage compatible transmission elements. Its distinctive three-module length and double-collar shape make part 18947 easy to distinguish from other driving ring designs. Check your model’s instructions and required companion parts before ordering.

This listing is for one Dark Bluish Gray driving ring; gears, changeover catches and other gearbox components are not included. Find more LEGO Technic gears and gear elements for your mechanism.