These are OEM Subaru expansion tank coolant lines for the 2008-2014 WRX and WRX STI.
45162P: Runs from the coolant expansion tank to the metal pipe that runs along the back of radiator to the coolant overflow.
45162Q: Runs from the radiator to the coolant expansion tank.
45174: Runs from radiator cap to hard line behind the radiator.
See the diagram for a visual look at where these go.
Each line includes two clamps.
Fits all 2008-2014 Subaru WRX and WRX STI.
