Upgrade your Subaru WRX cooling system with the IAG Performance Replacement V3 AOS 15.5" Coolant Line, designed specifically for 2015-2021 WRX models. This premium coolant line ensures reliable performance and a perfect fit for your vehicle’s air oil separator setup, helping maintain optimal engine temperatures and durability.

This coolant line measures 15.5 inches long and features a 1/2" heater hose with a preassembled banjo-style coolant fitting on one end and a barb fitting on the other. Equipped with Viton O-rings, it offers superior sealing and resistance to heat and chemicals. Compatible with IAG’s Street Series and Competition Series AOS units (Part Numbers IAG-ENG-7182, IAG-ENG-7282), this replacement part is engineered for easy installation and long-lasting performance.

Ideal for Subaru enthusiasts looking to maintain or upgrade their WRX’s cooling system, this coolant line delivers quality and precision fitment. Trust Subimods for genuine Subaru-focused performance parts. Shop now to keep your WRX running cool and strong.