Subaru Coolant Expansion Tank to Overflow Hose 2015-2021 STI

These are OEM Subaru expansion tank coolant lines for the 2015-2021 WRX STI.

45162Q: Runs from the coolant expansion tank to the metal pipe that runs along the back of radiator to the coolant overflow.

45162W: Runs from the radiator to the coolant expansion tank.

45174: Hard line behind the radiator.

See the diagram for a visual look at where these go.

Each line includes two clamps.

Fits all 2015-2021 Subaru WRX STI.