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Upgrade & Restore Your Wheel Balancer's Performance

The Balancer Piezo Sensor is a professional-grade mechanical component designed specifically for wheel balancers. Engineered to exact factory tolerances, it replaces original equipment part number 81142663 to maintain balanced, concentric rotation and precise wheel balancing calibration.

Timely replacement of worn components and hardwares is critical to preventing high-speed vibrations, protecting sensitive piezoelectric sensors, and reducing expensive garage downtime.

đź“‹ Factory Service Bulletin Guidance:

Update Date: September 2019
Subject: Legacy Balancers (1 Wire Piezos)

“1601 J.P. Hennessy Drive, LaVergne, TN 37086 Page No. 1 of 1 Due to challenges with continued manufacturing of the one wire piezos (pn 8114473), they are scheduled to become obsolete once current inventory is exhausted. These piezos are used in most balancers designed and built prior to the 1250 (i.e. 950, 1050, 1025, 1000, 1000D and others). Should you require piezos to keep these machines functional you can convert them to the current, 2 wire piezos (pn 81142663).”

Machine Location:

This part is positioned within the rotating shaft, hub adapters, motor assemblies, or safety hood structures of the wheel balancer.

Key Features & Specifications

  • Precision Engineering: Fabricated to exact tolerances to ensure perfectly concentric rotation on high-speed balancer shafts.
  • Vibration Damping: Engineered to absorb mechanical vibrations and sustain critical calibration stability.
  • Direct Factory Drop-In: Fits seamlessly onto original mounting positions with no modifications required.

Complete Machine Compatibility

This universal replacement part is documented and verified to fit the following Coats® equipment models:

  • Coats 1100 Series Balancer
  • Coats 1250 Wheel Balancer
  • Coats 1400,1500,1600
  • Coats 6450 Wheel Balancer
  • Coats Vero V200

Frequently Bought Together / Related Parts

These drawing-adjacent parts connect directly next to this part on your parts breakdown and assembly drawings:

đź”§ Pro Installer Tip:

Disconnect the machine from power before replacing any parts. We highly recommend running a standard calibration cycle on your wheel balancer after servicing any rotating shaft components.


Alternative / Cross-Reference Part Numbers: SVI BW-8114-2663 | Coats 81142663 | Distributor AM81142663

AMMCO and COATS are registered trademarks of The Coats Company. AEPN Inc. is not associated in any way with The Coats Company, Inc. Any names, symbols, numbers, and descriptions are used for reference purposes only. It is not implied that any part listed is the product of these manufacturers.

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