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The Gates upper molded coolant hose for 1998–2003 GMC T7500 with Caterpillar 3126 Diesel fits the engine-to-radiator upper connection for those vocational trucks. Molded to maintain factory routing, it supports steady coolant flow and thermal control under diesel operating conditions. Replace this hose when signs of cracking, leakage, or material degradation are present to preserve cooling system function.
Gates 98-03 GMC T7500 Caterpillar 3126 Diesel Upper Eng. To Rad. Molded Coolant Hose
