45161AE010 Subaru HOSE RAD OUT, Price: 10.49$, Weight: 0.2kg

Radiator Outlet Coolant Hose

This coolant hose connects the radiator outlet to the engine cooling circuit, guiding hot coolant away so it can cycle through the system. It’s a small part with a big job: keeping temperature stable in traffic, on hills, and during long drives .

Why this hose is needed

When the thermostat opens, coolant must move quickly and without leaks. This hose provides a flexible, heat-resistant path that absorbs engine vibration while maintaining steady flow.

How it works

Coolant exits the radiator through the outlet neck, travels through the hose, and continues into the engine passages. Reinforced rubber layers handle pressure, heat cycles, and constant expansion/contraction without collapsing.

What happens if it’s worn or broken

A cracked or swollen hose can seep coolant, burst under pressure, or soften near clamps. That can lead to overheating, low coolant warnings, weak cabin heat, steam under the hood, and in severe cases head gasket damage. If you notice coolant smell, damp hose ends, or spongy rubber—replace it before it fails .

Compatible Models

• Subaru Impreza