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The Gates molded coolant hose for 2005–2008 Buick LaCrosse with the 3.6L V6 is an upper radiator-to-filler-neck hose. Built as a preformed replacement, it carries coolant from the radiator to the filler neck and maintains correct routing under the hood. Use it to restore the cooling circuit when the original hose becomes soft, cracked, or begins leaking at connections.
Gates 05-08 Buick LaCrosse V-6 3.6L Upper - Rad. To Filler Neck Molded Coolant Hose
