Koyo Coolant Reservoir Adapter for Subaru WRX/STI & Legacy GT 13mm

Koyo Coolant Reservoir Adapter for Subaru WRX/STI & Legacy GT (13mm) Fitment: Subaru WRX/STI (2008–2015) and Legacy GT (2005–2009) Upgrade your cooling system with the Koyo 13mm Coolant Reservoir Adapter , designed to replace part #VH091662. Precision-engineered for factory fitment, this adapter ensures a secure, leak-free connection between the coolant reservoir and your Subaru’s hoses. Direct replacement for original adapter (VH091662) Durable construction resists heat and coolant exposure 13mm outlet matches OEM hose sizing for reliable flow Easy installation — fits stock locations with no modifications This Koyo adapter is ideal for routine maintenance or when repairing a cracked or leaking reservoir connection. Maintain coolant integrity, prevent overheating, and restore factory performance with a trusted OEM-quality component. Keywords: Koyo coolant adapter, Subaru WRX coolant part, Legacy GT reservoir adapter, VH091662 replacement, 13mm coolant fitting