Water hose turbocharger 99078AA450 for Subaru WRX STI 2006+

The Turbocharger Water Hose (OEM 99078AA450) is a genuine Subaru cooling line designed to supply coolant to the turbocharger in WRX STI models from 2006 onward. It ensures proper thermal management of the turbo, preventing overheating and helping maintain consistent performance during demanding driving conditions. Manufactured to Subaru’s factory specifications, it provides a precise fit, durability and long-term resistance to heat and pressure.

Manufacturer: Subaru
OEM Part Number: 99078AA450