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The Gates molded heater lower coolant hose for 2002–2006 Audi A4 4‑cyl 1.8L provides the correct routing for heater circuit flow at the vehicle's bottom heater connection. As a replacement hose it restores coolant circulation to the heater core and helps prevent leaks or degraded flow. Install when servicing heater plumbing to maintain cabin heat and cooling system integrity for the listed A4 applications.
Gates 02-06 Audi A4 4-Cyl. 1.8L Heater (Bottom) Molded Coolant Hose
