Engine Cooling Water Hose

This molded coolant hose is a vital link in your Nissan cooling system. It carries hot coolant between the engine and cooling circuit, helping the radiator and thermostat keep engine temperature stable. When the hose is the correct shape and material, it seals tightly, resists heat, and handles pressure changes without ballooning.

Why this hose is needed

Modern V8 engines run hot under load. A healthy hose keeps coolant flowing so the engine can shed heat fast, prevent detonation, and protect head gaskets and aluminum parts.

How it works

Coolant is pushed by the water pump through the hose, past the thermostat, and into the radiator loop. Internal reinforcement helps the hose hold shape, while rubber compound fights cracking from heat cycles and coolant chemicals.

What happens if it breaks ❗

A split or swollen hose can leak coolant, pull in air, or burst under pressure. That can cause overheating, poor heater performance, warning lights, steam, and in severe cases warped heads or engine failure. Replace at the first sign of soft spots, bulges, or crusty coolant stains.

Compatible Models ✅

• QX56