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Description

Precision-engineered coolant hose assembly designed for Audi A4, A5, A6, and Q5 models. This OEM-specification component (03L121071/03L121071B) maintains optimal coolant circulation and engine temperature regulation. Direct fit replacement ensures compatibility without modification. Built to withstand high-pressure coolant flow and thermal cycling. Essential maintenance part for preventing overheating and protecting engine integrity. Sourced to meet original equipment standards for reliability and longevity.

OEM-grade coolant hose assembly engineered for Audi A4, A5, A6, and Q5 platforms. Part numbers 03L121071 and 03L121071B deliver factory-specification performance in engine thermal management systems. This direct-fit replacement handles sustained pressure cycles and temperature extremes without degradation. Maintains precise coolant flow pathways to prevent hot spots and ensure consistent engine operating temperatures. Critical component for long-term engine reliability and protection against overheating-related damage. Meets original Audi engineering standards for durability and fit accuracy.