Futaba FUAS4153 Replacement Servo Gear Set for BLS155 BLS352 BLS452  [FUAS4153]

Replacement servo gear set details

The Futaba FUAS4153 gear set is offered as a direct replacement part listed under the product name FUTABA BLS155 BLS352 BLS452 SERVO GEAR SET AS4153 EBS3355. This item is intended for use inside RC-scale servos and serves to restore or refresh internal geartrain function when original gears show wear or play.

This description emphasises compatibility and the practical service role rather than claiming performance changes: the set matches the BLS155, BLS352 and BLS452 model lines as listed, and it is intended for hobbyists carrying out routine servo maintenance or repairs on model cars, boats and similar RC craft.

Installation considerations: replace gears carefully to preserve gear alignment and bearing fit, verify spline engagement on the output shaft, and check for correct mesh and free movement before reinstalling the servo into the model. No additional tools or modifications are specified by the source information.

This gear set is supplied as a service part to restore internal gearing on the listed Futaba servo models and suits hobby-level maintenance and tuning tasks where worn gears need replacement.