IAG Replacement 3/8" NPT to 5/8" Barb Hose Fitting | Direct Replacement | Hose Connector
Overview
The IAG Replacement 3/8" NPT to 5/8" Barb Hose Fitting is a direct replacement Y connector designed specifically for IAG Air Oil Separator (AOS) systems. This fitting serves as a critical component in maintaining proper ventilation and fluid routing within the AOS setup, ensuring your Subaru’s engine breathes efficiently and remains protected from oil contamination. It is intended for Subaru enthusiasts who already run or maintain IAG AOS systems and need a reliable replacement part to keep their setup functioning optimally.
Engineered by IAG Performance, a leader in Subaru engine management and component innovation, this fitting is crafted to meet the exact specifications of the original IAG AOS parts (IAG-ENG-7152 and IAG-ENG-7252). The design philosophy centers on precision fitment and durability, reflecting IAG’s commitment to quality and performance in Subaru-specific applications. This ensures seamless integration without the need for modifications or adapters.
For Subaru owners, especially those with turbocharged WRX, STI, Forester, Legacy, Outback, Crosstrek, and BRZ models spanning multiple generations, this replacement fitting guarantees continued reliability and proper function of the AOS system. Maintaining the integrity of your AOS helps prevent oil buildup and pressure issues, contributing to engine longevity and consistent performance under various driving conditions.
Features & Specifications
This IAG Performance Replacement Hose Fitting is engineered for a broad range of Subaru platforms including WRX, STI, Impreza, Forester, Legacy, Outback, Crosstrek, and BRZ models. It features a 3/8" NPT to 5/8" barb connection, constructed from durable materials to ensure leak-free operation and long-lasting service life for Subaru enthusiasts seeking reliable AOS maintenance components.
-
Brand: IAG Performance
-
Product: Replacement 3/8" NPT to 5/8" Barb Hose Fitting
-
Part Number: IAG-RPL-7172BARB
-
Fitment: 1998-2001 Impreza, 2002-2003 WRX, 2002-2007 Impreza, 2004-2005 STI, 2004-2005 WRX, 2004-2008 Forester, 2005-2009 Legacy, 2006-2007 STI, 2006-2007 WRX, 2008-2010 STI, 2008-2010 WRX, 2008-2016 Impreza, 2009-2013 Forester, 2009-2014 Outback, 2010-2014 Legacy, 2011-2014 STI, 2011-2014 WRX, 2013-2016 Crosstrek, 2013-2021 BRZ, 2014-2018 Forester, 2015-2019 Legacy, 2015-2019 Outback, 2015-2021 STI, 2015-2021 WRX, 2017-2022 Crosstrek, 2017-2022 Impreza, 2019-2022 Ascent, 2019-2022 Forester, 2020-2022 Legacy, 2020-2022 Outback, 2022-2024 BRZ, 2022-2024 WRX, 2024 Crosstrek
-
Material: High-grade metal alloy
-
Finish: Natural metal finish
-
Construction: Precision machined
-
Origin: Made to IAG specifications
Key Benefits
-
Fitment: Direct replacement for IAG AOS fittings ensures perfect compatibility without modifications
-
Durability: Constructed from high-quality materials to resist corrosion and wear over time
-
Reliability: Maintains proper sealing and fluid routing to protect engine components
-
Maintenance: Simplifies upkeep of IAG AOS systems by providing an OEM-level replacement part
-
Compatibility: Supports a wide range of Subaru models, covering multiple generations and trims
What's Included
- 1× IAG Replacement 3/8" NPT to 5/8" Barb Hose Fitting
Installation & Compatibility
Installation of the IAG Replacement Hose Fitting is straightforward for anyone familiar with AOS maintenance and Subaru engine bay components. This part is a direct bolt-on replacement for the specified IAG AOS part numbers, requiring no special tools beyond standard hand tools. It is recommended to inspect the surrounding hoses and clamps during installation to ensure a secure and leak-free connection. No tuning or additional modifications are necessary.
-
Professional Installation: DIY-Friendly
-
Modifications Required: None
-
Verify Compatibility: Confirm fitment for your specific Subaru model year and trim before purchase
Shop with confidence at Subimods—your Subaru parts specialists.
