Secondary Radiator Hose — Heavy‑Duty Coolant Line

This precision-fit coolant hose links the radiator to the engine circuit, keeping temperature stable under load. Built for tough duty, it carries hot antifreeze under pressure so your SUV stays cool while towing, climbing, or idling in heat.

Why you need it ❄️

The cooling system depends on sealed, resilient hoses to move coolant. A fresh hose prevents leaks, air ingestion, and overheating, protecting the head gasket, water pump, and thermostat.

How it works

Formed EPDM rubber routes coolant between fixed fittings. Reinforced walls resist heat (up to ~110°C),chemicals, and vibration. Correct curvature avoids kinks; quality clamps lock the seal and maintain pressure.

What happens if it fails ♨️

Cracks, swelling, or soft spots lead to drips or bursts. Symptoms: sweet smell, steam, temp spikes, low heater output. Continued driving can warp the cylinder head, trigger a blown gasket, or cause sudden breakdown.

Pro tips for replacement

Install on a cold engine. Drain coolant, remove old clamps, seat the new hose fully, then tighten clamps evenly. Refill with the correct spec coolant and bleed air. Inspect every service; replace aged hoses every 5–7 years or at first signs of wear.

Compatibility

• Land Cruiser