Hose Bottom.
Flexible hose that is part of the engine cooling system.

• Important part of cooling system
• The hose coolant travels through to get between the radiator and engine
• Replace when cracked or leaking

Your INFINITI depends on its cooling system to prevent the engine from overheating. And this cooling system relies on a functioning, quality Radiator Coolant Hose (Lower) to work correctly. As the coolant in your INFINITI passes through the radiator and coolant system to you vehicle's engine, it travels through a Radiator Coolant Hose (Lower). It's essential that the Radiator Coolant Hose (Lower) remain free from cracks, bloating, or leaks that may cause further damage to your vehicle.

Eventually, the rubber that makes the Radiator Coolant Hose (Lower) on your INFINITI can get old and wear out. When this happens, the Radiator Coolant Hose (Lower) can become brittle and crack, causing coolant to leak out. If too much coolant leaks out, the engine may not get enough coolant to control the engine's temperature, which could cause your INFINITI to overheat. If overheating occurs, it could lead to additional repairs and even damage to the vehicle.

Also, your Radiator Coolant Hose (Lower) can become bloated, which means the hose swells up. If low coolant causes the engine to overheat, it may cause extremely hot coolant to travel through the Radiator Coolant Hose (Lower), making the rubber in the hose bloat and swell, possibly causing additional cracks and damage to the Radiator Coolant Hose (Lower).

If you think your INFINITI's Radiator Coolant Hose (Lower) needs to be exchanged, a visual inspection is often a good place to start. When working with the coolant system, always ensure the coolant system and engine are completely cool, as the cooling system is under pressure, and extremely hot coolant fluid can spray if something happens to the Radiator Coolant Hose (Lower).

When looking at the Radiator Coolant Hose (Lower), look for swelling, cracks, dry-rot, and warping. Look for coolant leaks on the ground underneath the vehicle, especially where your Radiator Coolant Hose (Lower) is attached to the vehicle.

Also, look on your dashboard if you think your Radiator Coolant Hose (Lower) is bad. Check if the Low Coolant light is illuminated or if the temperature gauge is displaying that your engine is running hot. Your INFINITI owner's manual provides an overview of the different dashboard lights and their meanings.

Is it time to replace your INFINITI's Radiator Coolant Hose (Lower)? Order a genuine replacement Cooling System Radiator Coolant Hose (Lower) for your INFINITI Q50. See the What This Fits tab for more details.

Fits Q50