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Keep the tensioner working within its intended range with the Cummins Serpentine Belt sized for the engine’s specific pulley path. Its ribbed face tracks matching pulley grooves, giving the belt multiple contact lines as it bends around the accessory drive. A specific Cummins pulley path defines the fit of this belt rather than the serpentine format alone. Installed length and rib count must agree before fitting the Cummins 3288689 so the tensioner can keep the belt seated without overextending.
Choosing Genuine Cummins parts means you get precision design, state-of-the-art manufacturing and diligent testing that ensures our parts perform at our factory-specified levels of Efficiency, reliability and durability. Genuine Cummins parts come with a full factory warranty, giving you peace of mind and financial protection.
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