FLUIDAMPR PERFORMANCE DIESEL SERIES DAMPER 890101 | 2001-2005 6.6L DURAMAX LB7/LLY

Improve engine protection and control harmful torsional vibrations in your 2001–2005 GM 6.6L Duramax LB7 or LLY with the Fluidampr Performance Diesel Series Damper. Designed as a high-performance replacement for the factory harmonic damper, Fluidampr provides effective vibration control throughout the engine's RPM range for stock, work, performance, and competition applications.

Unlike a conventional rubber-based factory damper, Fluidampr uses viscous damping technology that automatically adapts to changes in engine harmonics. This allows the damper to accommodate engine modifications while controlling torsional vibration across a broad and changing frequency range without requiring additional tuning or rebuilding.

Reducing harmful crankshaft vibration can help decrease wear on main bearings and other critical engine components, improve valvetrain operation, and reduce the risk of crankshaft failure. Each damper features precision CNC-machined and computer-balanced components for consistent operation and long-term durability.

The updated design also simplifies routine maintenance by allowing the serpentine belt to be replaced without removing the damper. Manufactured in the USA, the damper features a corrosion-resistant black zinc finish with engraved markings and meets SFI 18.1 specifications for competition use.

Features

• Viscous damping technology – Controls harmful torsional vibrations across the engine's RPM range
• Externally balanced design – Engineered for applicable 6.6L Duramax LB7 and LLY engines
• Improved engine protection – Helps reduce stress and wear on the crankshaft, main bearings, and other critical components
• Improved valve timing stability – Helps promote more accurate valvetrain operation
• Adapts to engine modifications – Automatically responds to changing harmonic frequencies without requiring tuning
• Maintenance-friendly design – Damper removal is not required for serpentine belt replacement
• Precision manufactured – CNC-machined and computer-balanced components
• Long-service design – Does not require rebuilding or tuning
• SFI 18.1 compliant – Suitable for applicable competition use
• Corrosion-resistant finish – Black zinc finish with engraved markings
• Made in the USA

Specifications

• Outside Diameter: 8-3/8"
• Material: Steel
• Weight: 23.9 lbs.
• Finish: Black Zinc
• Balance: External

Fitment: 2001–2005 GM 6.6L Duramax LB7 & LLY

Part Number: 890101