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Optimize your engine’s thermal management system with the Genuine CUPRA Leon Coolant Control Valve with Hose – 5WA122157AG / 5Q0906457K. This OEM assembly combines an electronically controlled coolant valve and pre-fitted hose, regulating coolant flow to critical components like the engine block, turbocharger, or heater core based on real-time demands.
It ensures efficient warm-up, stable operating temperatures, and contributes to emissions control and engine longevity.
