Futaba FUAS4153 servo gear set replacement for BLS155 BLS352 BLS452  [FUAS4153]

Servo gear set overview

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.

The description focuses on compatibility and practical role rather than performance claims: the set aligns with the BLS155, BLS352 and BLS452 model lines as named in the source, and is intended for hobbyists performing routine servo maintenance or repairs on model cars, boats, and similar RC craft.

Installation considerations: replace gears with care 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 implied by the source information.

This gear set is a service part for restoring internal gearing on the listed Futaba servo models and is suited for hobby-level maintenance and tuning tasks where replacing worn gears is required.