This IAG V3 AOS 20 Coolant Line is a direct replacement part. It comes with the Street Series and Competition Series air oil separators (PN #IAG - ENG - 7180, IAG - ENG - 7181, IAG - ENG - 7280, IAG - ENG - 7281). It fits 2006 - 2014 Subaru WRX, 2004 - 2021 Subaru STI, and 2005 - 2009 Subaru Legacy GT. The 1/2 - inch heater hose is 20 inches long and has a pre - assembled replacement banjo - style coolant fitting with Viton O - rings.
Using this coolant line is easy. First, make sure your vehicle's engine is cool. Then, locate the old coolant line and carefully remove it. Install the new IAG V3 AOS 20 Coolant Line in its place, ensuring a proper fit. Remember to check for any leaks after installation. When it comes to maintenance, regularly inspect the coolant line for signs of wear or damage. If you notice any cracks or leaks, replace the line right away. Also, keep the banjo - style coolant fitting clean. With proper use and maintenance, this coolant line will serve you well for a long time.
