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The Omix accessory drive belt tensioner with idler pulley is a direct-fit replacement designed to maintain proper belt tension and extend accessory drive bearing life. It restores correct alignment for the serpentine system on affected Wrangler engines. Fits 2005–2006 Wrangler TJ/LJ models with 4.0L engines, replaces OE 4854089AB, and is offered as an OE-style service part with a limited five-year warranty.
Omix Tensioner W/Idler Pulley- 05-06 Wrangler TJ/LJ
