About this part
What it does. Gmb Water Pump GMB 450-180-4050 is part of the cooling system that carries engine heat away and holds the engine at operating temperature.
Symptoms that point to this part
- Temperature gauge climbing
- Coolant puddles under the car
- Heater blowing cold
- Sweet coolant smell
Fitment. Catalogued as fitting 2024–2026 Porsche Cayenne, 2024–2025 Audi Sq7, 2025 Audi A7 Sportback, 2025 Audi A6 Allroad, 2025 Audi A8 Quattro, 2025 Audi S7 Sportback, 2025 Audi Sq5, 2025 Audi Sq5 Sportback, 2025 Audi Q8, 2023–2024 Audi S8. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.