This is a direct replacement IAG V3 AOS 15.5" Coolant Line that is included with 2015-21 Subaru WRX Street Series & Competition Series air oil separators with Part Numbers IAG-ENG-7182, IAG-ENG-7282. The 1/2" heater hose is 15.5 inches in length and features a preassembled replacement banjo style coolant fitting with Viton O-rings on one side and barb fitting on the opposite side.
