Keep the accessory drive belt tracking true and quietly turning with the Dayco Accessory Drive Belt Idler Pulley 89570. It installs as a direct-fit replacement on the 2003-2004 Infiniti FX45, the 2003-2004 Infiniti M45, and the 2006 Infiniti M45, riding on the engine-belt-driven accessory system to guide and route the belt along its path.
Signs this pulley may need replacing include bearing noise such as a whine, growl, or grinding from the belt area, a wobbling or rough-spinning pulley, or belt squeal. Because these symptoms can have other causes, diagnose the source before replacing; if a worn idler pulley is the cause, this part replaces it.
Interchange: Manufacturer part number 89570.
This part cross-references / interchanges with the following part numbers:
What does this idler pulley do?
It provides a smooth-turning surface that helps guide and route the accessory drive belt so it stays aligned on the pulley system, spinning on its bearing as the belt runs.
Which vehicles does the Dayco 89570 fit?
It's a direct-fit replacement for the 2003-2004 Infiniti FX45, the 2003-2004 Infiniti M45, and the 2006 Infiniti M45. See the Buyer's Guide tab to confirm your vehicle.
What are signs the idler pulley may need replacing?
Bearing noise like a whine, growl, or grinding near the belt, a wobbling or rough-spinning pulley, or belt squeal. Diagnose the cause first, since these can have other sources.
Does this fit the 2005 Infiniti M45?
The listed M45 applications are 2003-2004 and 2006; 2005 is not among the listed years. Check the Buyer's Guide tab for your exact vehicle.
Is any hardware or a belt included?
The listing covers the idler pulley 89570 as described. Consult the vehicle service information for any required hardware and the correct installation procedure.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
