Fluidampr 640901 VQ35DE V6 3.5L Viscous Damper

Experience precision-engineered performance with the Fluidampr 640901 Viscous Engine Damper – an American-made VQ35DE fuel damper built specifically for Nissan/Infiniti VQ35DE V6 engines. Designed to control harmful torsional vibrations, it boosts horsepower and torque while minimizing parasitic power loss and RPM dips during rapid shifting, ensuring a smoother and more reliable drive.

Fluidampr 640901 High-Performance Viscous Engine Damper

Compatibility & Applications

• 2003–2009 Nissan 350Z
• 2002–2004 Nissan Pathfinder
• 2003–2008 Infiniti FX35
• 2011–2012 Infiniti G25
• 2003–2007 Infiniti G35
• 2006–2008 Infiniti M35

Key Benefits

• Premium American-made viscous damper engineered for optimal damping and engine protection
• Reduced RPM loss during rapid shifting for improved performance
• Lowered gearbox and clutch noise for a smoother ride
• Enhanced horsepower and torque by controlling engine vibrations
• Improved fuel efficiency and valve timing
• Extended engine life with precision CNC-machined components
• Self-tuning technology that adjusts in real time across all RPMs and power levels

Specifications

• Material: Steel with a Black Zinc Finish
• Weight: Approximately 5.8 lbs (unit) and 10.3 lbs overall
• Diameter: 6.5" outside; bore ranges from 1.1800" minimum to 1.2600" maximum
• Construction: Single piece, internally balanced
• Safety: Certified SFI 18.1 rating with three engraved degree marks
• Pulley: Integrated drive belt pulley with a black hard coat anodized finish

Quick Facts

• No tuning or maintenance required – simply bolt on for immediate vibration control
• Designed to safely handle all engine power levels
• Manufactured to meet rigorous American quality standards
• For more high-performance options, explore our Fluid Harmonic Balancer - Crankshaft Dampers collection