Engine Coolant Hose for Radiator Circuit

This molded coolant hose links the engine and radiator, keeping the motor in the safe temperature zone. It routes antifreeze precisely through tight spaces, resists heat, pressure, and oil vapors, and seals firmly with standard clamps. Built from OEM-grade EPDM, it handles daily cycles without kinks or swelling, ideal for Nissan/Infiniti V6 cooling layouts.

Why you need it ❄️

Stable engine temperature means power, economy, and long life. A fresh, correct-shape radiator hose prevents leaks, pressure loss, and hotspot formation. It restores factory flow and protects the water pump, thermostat, and heater core.

How it works

The hose carries coolant from the engine outlet to the radiator and back once cooled. Reinforced walls resist pulsations from the pump. Molded bends keep the path smooth, avoiding collapse at high RPM. Tight ends clamp to alloy necks for a leak-free seal.

What happens if broken ⚠️

Cracks or soft spots cause coolant loss, overheating, weak cabin heat, steam, and warning lights. A collapsed line starves the pump, warps gaskets, and may trigger limp mode. Sweet smell, green/pink residue, or bulges = replace now .

Install tips ✅

Use new clamps, clean necks, top up correct coolant, and bleed air after fitting.

Compatibility

• Q70/M
• QX70/FX