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The Gates molded upper coolant hose for 2008–2010 Hummer H3 V8 5.3L replaces the vehicle’s upper cooling line with a unit shaped to match factory routing. Its molded profile preserves attachment points and coolant pathways to maintain correct flow and secure hose connections, making it appropriate for coolant system repairs or replacement of deteriorated upper hoses on the listed H3 models.
Gates 08-10 Hummer H3 V-8 5.3L Upper Molded Coolant Hose
