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Upgrade & Restore Your Wheel Balancer's Performance

The Direct Replacement Professional 4" Ounce Calibration Weight For Wb is a professional-grade mechanical component designed specifically for wheel balancers. Engineered to exact factory tolerances, it replaces original equipment part number 85009928 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: July 2017
Subject: BaseLine & Silver Eagle Balancers Calibration

This notice is to inform you that some of the BaseLine Balancers (350 / 550) and Silver Eagle Balancers (15/25) have been shipped with the incorrect Calibration Weight (85607732 WEIGHT- CLBRTN,STL,100GRM BLACK). The correct Calibration Weight should be 85009928 WEIGHT-CLBRTN,4OZ,BLUE. (See below) Using the incorrect calibration weight will affect the successful calibration of the Balancer and will manifest itself as a “Weight Chasing” problem. WEIGHT-CLBRTN, 4OZ ,BLUE WEIGHT-CLBRTN, STL,100GRM, BLACK ( 8500992801) (85607732) Weight Clarification

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 1400,1500,1600
  • Coats 85613776 E900

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-8500-9928 | Coats 85009928 | Distributor AM85009928

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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