Audi A4 A6 Q5 Coolant Pipe 03L121065K – 2.0 TDI TFSI

OEM Part Number: 03L121065K

This coolant pipe is a direct OEM replacement for Audi A4, A6, and Q5 vehicles equipped with the 2.0 TDI diesel or select 2.0 TFSI petrol engines. It ensures reliable coolant circulation through the engine cooling system, maintaining optimal operating temperature and protecting against overheating.

• Part Number: 03L121065K
• Application: Audi A4 (B8), Audi A6 (C6/C7), Audi Q5 (8R) — 2.0 TDI / 2.0 TFSI
• Function: Coolant Pipe / Coolant Hose / 冷却液水管
• Material: OEM-spec plastic/rubber composite
• Fitment: Direct OEM replacement — no modification required

A cracked or leaking coolant pipe can cause coolant loss, engine overheating, and costly engine damage. Replace with this quality OEM-spec part to keep your Audi's cooling system performing reliably.