INA US Accessory Drive Belt Tensioner Assembly P/N:FT40569

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$167.99
MPN: FT40569
UPC: 670774309427
Item Package Quantity: 1
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INA US Accessory Drive Belt Tensioner Assembly P/N:FT40569
INA US Accessory Drive Belt Tensioner Assembly P/N:FT40569
$167.99

Keep every accessory spinning and quiet with the INA US Accessory Drive Belt Tensioner Assembly (FT40569), a front end accessory drive (FEAD) tensioner that applies constant force to the accessory belt so it stays properly tensioned. It drops in as a direct-fit replacement for the listed applications: the 2003-2008 Infiniti FX45, the 2003-2004 and 2006-2010 Infiniti M45, and the 2002-2006 Infiniti Q45 — all with the V8-4.5L engine.

  • Precise tension control: engineered to deliver consistent tension across the accessory drive, helping minimize vibration and support reliable operation of the belt-driven accessories.
  • FEAD vibration damping: designed to damp vibration in tight installation spaces on today's high-load engines.
  • Durable build: constructed from high-quality materials for long-lasting performance under demanding conditions.
  • Maintains belt tension: designed to hold optimal belt tension to help limit slippage and reduce premature wear, extending belt and accessory life.

Signs this part may need replacing include belt squeal or chirp, rattling or noise from the tensioner area, and arm bounce or flutter. Country of origin: Japan.

Interchange: Manufacturer part number FT40569 · GTIN 00670774309427.

This part cross-references / interchanges with the following part numbers:

49426, 39069, 5340569100

Frequently Asked Questions

What does the FT40569 tensioner do?

It applies constant force to the engine's accessory drive belt to maintain proper tension, helping prevent belt slippage while reducing vibration and noise from the belt-driven accessories.

Which vehicles does this tensioner fit?

It is a direct-fit replacement for the 2003-2008 Infiniti FX45, the 2003-2004 and 2006-2010 Infiniti M45, and the 2002-2006 Infiniti Q45, all with the V8-4.5L engine. See the Buyer's Guide tab to confirm your vehicle.

What are signs the tensioner may need replacing?

Common signs include belt squeal or chirp, rattling or noise from the tensioner, and arm bounce or flutter. Diagnose the cause before replacing, since these symptoms can have other sources.

How many do I need per vehicle?

The listed applications use one tensioner (Quantity Per Application: 1), and this listing supplies one assembly. Confirm the quantity for your specific engine.

Where is this tensioner made?

Country of origin: Japan.