Fluidampr 890101 01-05 6.6L Duramax Harmonic Crankshaft Damper

Overview

Upgrade your 2001 to 2005 Duramax LB7 & LLY engines with the Fluidampr 890101, a viscous harmonic balancer engineered to control destructive torsional vibrations, extend engine life, and improve power output. Whether you're running a stock or high-performance diesel, this damper ensures smoother operation, reduced wear, and better reliability.

Fluidampr 890101 6.6L Duramax Harmonic Balancer Applications

This direct bolt-on replacement for OEM #97328573 fits:

• 2001–2004 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LB7
• 2004–2005 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LLY
• 2001–2004 Chevy Silverado 2500HD / 3500HD – 6.6L Duramax LB7
• 2004–2005 Chevy Silverado 2500HD / 3500HD – 6.6L Duramax LLY

Key Benefits of Fluidampr 890101

• Dyno-Proven Horsepower & Torque Gains
• Prevents Costly Engine Damage & Repairs
• Viscous Damper Technology for Superior Torsional Vibration Control
• Extends Engine Life by Reducing Wear on Bearings & Timing Gear
• Ensures More Stable Valve Train Operation
• Black Zinc Finish for Durability & Corrosion Resistance
• SFI 18.1 Certified for Racing & Performance Applications

Fluidampr 890101 Specifications

• Material: Steel
• Finish: Black Zinc
• Outside Diameter: 8.375 inches
• Weight: 23 lbs
• Balance: External

Why Upgrade to the Fluidampr 890101?

The 6.6L Duramax is a powerhouse, but stock rubber dampers degrade over time, leading to harmful vibrations that can damage your crankshaft, bearings, and timing components. The Fluidampr 890101 harmonic balancer provides continuous real-time self-tuning, ensuring optimal vibration control at all RPMs and power levels. Whether you're using your truck for daily driving, towing, or high-performance diesel applications, upgrading to a Fluidampr 6.6L Duramax harmonic balancer is an essential investment.

Duramax Performance Truck Owners Love Fluidampr 890101

Many Duramax truck owners report smoother operation, quieter engine noise, and improved longevity after installing the Fluidampr 890101 6.6L Duramax harmonic balancer. Experience the difference in reliability, stability, and power.

Secure Your High-Performance Duramax Damper

Ensure your Fluidampr 890101 stays in place by pairing it with the: Fluidampr 300010 GM Duramax 6.6L High Strength Bolt Kit

Official Fluidampr Installation Guide & Support

• By KLM Performance