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

FUTABA BLS155 BLS352 BLS452 SERVO GEAR SET AS4153 EBS3355
Price:
AUD$31.58
Brand:
Futaba
Model:
FUAS4153
GTIN:
4513886304729
Condition:
Brand New
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Gear set overview and fitment

The Futaba FUAS4153 gear set is supplied as a replacement component and appears in listings under FUTABA BLS155 BLS352 BLS452 SERVO GEAR SET AS4153 EBS3355. It is intended to restore internal geartrain function where original gears exhibit wear or play.

This product description stresses fitment and maintenance use rather than claiming performance improvements: the set corresponds to the BLS155, BLS352 and BLS452 servo series and is intended for hobby-level repairs on RC cars, boats and similar craft.

Fitment tips: align gears carefully to preserve bearing seating and gear alignment, confirm spline engagement on the output shaft, and check mesh and free rotation before reinstalling the servo. The source does not indicate any required modifications or special tools.

Specifications

  • Item: FUTABA BLS155 BLS352 BLS452 SERVO GEAR SET AS4153 EBS3355
  • Model Number: FUAS4153
  • Material: Not specified
  • Compatibility: BLS155, BLS352, BLS452

This set functions as a service replacement to refresh the internal gearing of the listed Futaba servos and is suitable for typical hobby maintenance and tuning work.

Will installing new gears change how the servo responds?

Replacing worn gears restores correct mechanical engagement, which can improve smoothness and reduce slop. It does not inherently alter electronic response, but rechecking endpoints and neutral may be necessary.

Is professional servicing required to fit this kit?

For many hobbyists this is a manageable DIY task using standard precision tools. If you are unsure about gear alignment or spline engagement, consider a technician to avoid damaging the servo.

How do I check spline engagement correctly?

Ensure the output shaft spline fully seats into the mating gear and that the gear head sits flush without axial play. Rotate the shaft by hand to confirm smooth engagement before powering up the servo.

What should I inspect before fitting replacement gears?

Inspect bearings and gear bores for wear, check for metal shavings or damaged teeth, and verify that housing surfaces are clean to ensure correct alignment when new gears are fitted.

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