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The Gates belt-drive tensioner for Peterbilt 379 with Caterpillar C15 diesel engines controls tension on fan and alternator belts to support accessory drive reliability. Intended as a direct-fit service part for 2005–2007 Peterbilt 379 applications with Cat C15 engines, it restores proper belt tension and routing for charging and cooling components without altering original accessory drive function.
Gates 05-07 Peterbilt 379 Caterpillar C15 Diesel Fan & Alt. Belt Drive Tensioner
