INA FT40569 Accessory Drive Belt Tensioner Assembly - Serpentine

Accessory Drive Belt Tensioner for FEAD Systems

INA FT40569 is an accessory drive belt tensioner assembly for serpentine belt systems. It is built for front end auxiliary drive applications where controlled belt tension and vibration damping are critical in tight engine bays.

Compatible with select INFINITI M45, FX45, and Q45 models, this tensioner assembly supports stable belt tracking in high-load engine operation. The INA FT40569 is a direct-fit service part for vehicles using the listed serpentine belt applications.

Key Features

• Accessory drive belt tensioner assembly for serpentine belt systems
• Engineered for FEAD applications with vibration damping in compact installation spaces
• Supports consistent belt tension under accessory load
• OE-style service replacement for select INFINITI applications
• Part number FT40569 for easy identification

Fitment Details

• Fits 2006-2010 INFINITI M45, Serpentine. INA Global Number 534 0569 100.
• Fits 2003-2004 INFINITI M45, Serpentine. INA Global Number 534 0569 100.
• Fits 2007-2008 INFINITI FX45, Serpentine. INA Global Number 534 0569 100.
• Fits 2003-2006 INFINITI FX45, Serpentine. INA Global Number 534 0569 100; Alternator belt.
• Fits 2002-2006 INFINITI Q45, Serpentine. INA Global Number 534 0569 100.

What It Helps Address

• Belt squeal caused by weak or inconsistent tension
• Serpentine belt flutter or vibration
• Poor accessory drive belt tracking
• Noise from a worn tensioner assembly
• Accessory drive service needs on INFINITI M45, FX45, and Q45 models

Installation Notes

Verify the vehicle’s belt routing and OE cross-reference before installation. This part cross-references Continental 49426 and Four Seasons 39069 for the same application. Confirm the serpentine belt configuration and any alternator belt notes on the vehicle before replacing the tensioner.

Quality Assurance

INA positions its FEAD components for controlled belt tension and vibration damping in modern high-load engines. FT40569 is identified by INA Global Number 534 0569 100 for application matching and catalog verification.