Buy 2015 Subaru STI Hose Complete Water. Cooling System Bypass Line If your 2015 Subaru STI has Bypass, Coolant, Cooling - OEM Subaru Part # 99083AA39B (99083AA39A)

HOSE-WATER Engine Coolant HoseEngine Coolant Overflow Hose

Fits Ascent, Legacy, Outback

Cooling System Bypass Line
If your 2015 Subaru STI has been either leaking coolant or overheating, you could have a faulty cooling system bypass line. Let our technicians help trace the problem and replace the faulty coolant hose with a genuine Subaru part.