Upgrade & Restore Your Wheel Balancer's Performance

The Back Cone Spring is a professional-grade mechanical component designed specifically for wheel balancers. Engineered to exact factory tolerances, it directly replaces original equipment part number 8308101 to maintain balanced, wobble-free rotation and precise wheel balancing calibration.

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

Machine Location:

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

Key Features & Specifications

• High-Precision Machining: Fabricated to exact physical tolerances to ensure perfectly concentric rotation on high-speed balancer shafts.
• Vibration Damping: Engineered to absorb heavy rotational vibrations and sustain critical machine calibration.
• Direct Factory Drop-In: Fits seamlessly onto original mounting positions with no modifications or physical adjustments required.

Complete Machine Compatibility

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

• Coats 1001 & 1001Sc Balancer

Frequently Bought Together / Related Parts

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

• Coats 13X2 1/2" Hh Bolt, 1/2" (Part # 8301120)
• Coats #6 Kep Nut (Part # 8301066)
• Coats Stop Ring Assembly. (Part # 8309014)
• Coats Retainer, Piezo Spring (Part # 8308036)
• Coats 1/2" Flat Washer (Part # 8301121)
• Coats Signal Harness 1001 Reg (Part # 8309096)
• Coats Bolt, Shoulder, 3/8X3/8 (Part # 8301016)
• Coats No-Mar Ring (Part # 8308105)
• Coats Spring (Part # 8308023)
• Coats Cone Medium (Part # 8308097)

Alternative / Cross-Reference Part Numbers: SVI BW-8308-101 | Coats 8308101 | Distributor AM8308101

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.