Futaba BLS253 and BLS451 replacement gear set FUAS4149  [FUAS4149]

FUTABA BLS253 BLS451 SERVO GEAR SET AS4149 EBS3345
Price:
NZD$36.13
Brand:
Futaba
Model:
FUAS4149
GTIN:
4513886304583
Condition:
Brand New
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Extending servo life with replacement gears

This replacement gear kit fits Futaba BLS253 and BLS451 servos and corresponds to the part identifiers shown in the product title. It is intended to renew worn gear surfaces, helping preserve precise mechanical engagement and reduce intermittent slop caused by damaged teeth.

The description focuses on compatibility, expected durability improvements after swap, and routine inspection points. The kit lists AS4149 and EBS3345 as related part references; verify these against your servo parts documentation before purchase.

Specifications

  • Item: Servo gear set
  • Material: Not specified by manufacturer
  • Model Number: FUAS4149, AS4149, EBS3345
  • Compatibility: Futaba BLS253, BLS451

Keep spares for scheduled maintenance to avoid service interruptions, and always confirm part numbers to ensure correct spline engagement and fitment.

Will new gears noticeably improve worn servo performance?

Replacing damaged or worn gears typically reduces free play and removes intermittent binding, restoring firmer mechanical response and extending the usable life of the servo.

What should I inspect on old gears before discarding them?

Look for scored teeth, flattened splines, or plastic deformation; these signs indicate the gear train has lost proper engagement and replacement is advisable.

Are these gears likely to wear faster on high-load servos?

Wear rate depends on load, duty cycle, and environment; high torque or continuous heavy use will accelerate wear regardless of replacement, so monitor gears more frequently in demanding applications.

Do the AS4149 and EBS3345 references change maintenance intervals?

Those are part references linked to the FUAS4149 kit; maintenance intervals are determined by operating conditions rather than part code, so plan inspections based on use intensity.

Can I expect the same torque handling after replacing plastic gears?

Replacement restores the original mechanical interface, but the inherent material strength remains unchanged; if your application demands greater torque, consider upgrading to a higher-spec servo or metal gears where available.

Best practices to prolong the life of fresh gears?

Avoid excessive loads, prevent ingress of grit or moisture, and perform periodic checks for play or noise to catch early wear before it affects performance.

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