Details

• Brand:

  

  

• SKU:

  KX6Z-8678-A

• Other Names:

  Tension Pulley, Accessory Drive Belt Idler Pulley, Serpentine Idler Pulley, Engine, Kit Tension Pulley, ys369

• Description:

  This genuine Ford accessory drive idler pulley keeps proper tension and alignment on the serpentine belt system for vehicles equipped with the 2.3L EcoBoost turbocharged four-cylinder engine, spanning the Ford Bronco, Explorer, and Ranger along with the Lincoln Corsair, MKX, and Nautilus built on the same engine architecture across roughly a decade of production. The pulley rides on a sealed bearing that guides the belt smoothly around the accessory drive, and as it wears the bearing can develop play, noise, or rough rotation that shows up as a chirping, squealing, or rattling sound from the front of the engine, especially at cold start or when accessory loads such as the alternator or air conditioning compressor are engaged. A failing idler pulley can also cause belt slap, premature belt wear, or in advanced cases belt slip that affects the alternator, power steering, or air conditioning performance. This is the correct Ford catalog Idler Pulley for the 2.3L EcoBoost accessory drive and is designed to match factory bearing tolerances and pulley diameter so belt tracking and tensioner geometry remain within specification. Replacing a worn idler pulley along with the serpentine belt and tensioner as a system helps restore quiet, reliable operation and prevents accelerated wear on the new belt. Inspect the pulley bearing for roughness, side-to-side play, or a grinding feel by hand with the belt removed, and compare pulley diameter and bolt pattern to the original part before installation to confirm a proper match for your specific engine build.

• Notes: Does Not Included Manifolds Or Engine Electrical.
• Applications: 2.3L.

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