Browse Infiniti Q50 Hybrid Engine Cooling Fan Assembly & Infiniti Q50 Hybrid Engine Cooling Assemblies Replacement. Order Infiniti Q50 Hybrid Cooling Systems. Maintaining the integrity of your Infiniti Q50 Hybrid's cooling system is crucial for optimal performance and longevity. Regular checks for leaks, ensuring the coolant is at the correct level, and flushing the system every 40,000 miles can prevent overheating and corrosion. Warning signs like rising engine temperatures or coolant under the car necessitate immediate replacement to avoid extensive damage. When selecting a new cooling system, opt for options that boast durable materials and efficient cooling capacity, tailored specifically for the Q50 Hybrid model to guarantee a seamless fit and easy installation. Smart maintenance and informed selection are your best defenses against cooling system failures, ensuring a smooth and reliable ride.