Engine Coolant Inlet Water Pipe/Neck ?

This coolant inlet piece is a small but critical part of the engine cooling circuit. It guides coolant into the engine passage or thermostat area, helping the system keep a stable operating temperature. When cooling flow is correct, the heater works better, fuel economy stays consistent, and the engine avoids heat stress.

Why this part is needed ✅

Modern engines run hot and tight. This inlet connection ensures coolant enters the right point at the right volume, sealing the joint between hose and engine housing to prevent air leaks and loss of pressure.

How it works ⚙️

Coolant from the radiator hose flows through this inlet, past the sealing surface, and into the cooling jacket. The system relies on a pressure cap to raise boiling point—this part helps maintain that pressure by keeping the connection leak-free.

What happens if it’s broken ❌

Cracks, warped sealing faces, or corrosion can cause coolant seepage, air pockets, overheating, weak cabin heat, and repeated low coolant warnings. In severe cases, overheating may lead to head gasket damage or engine shutdown.

Compatibility ?

• Outlander<Phev>