OEM Subaru 2015-2021 WRX STi EJ257 Oil Cooler 21311AA120
The 2008-2021 Subaru WRX STI's turbocharged EJ257 engine demands a cooling solution that matches its aggressive performance. This oil cooler, part number 21311AA120, is a direct replacement designed specifically for the 2008-2019 Subaru WRX STI, providing critical thermal management for your high-revving engine. This isn't a universal cooler; its engineered to integrate seamlessly into the existing cooling system of your WRX STI. Key Features – Direct Replacement Design: Eliminates the need for complicated modifications or custom fabrication. This oil cooler is built to fit directly into your 2008-2019 WRX's existing oil cooler mounting locations. – Optimized for EJ257: Specifically designed for the 2.5-liter EJ257 engine found in the 2008-2019 WRX STI, maximizing cooling efficiency for this high-performance powerplant. – Durable Metal Construction: Constructed from robust metal for long-lasting performance and resistance to the heat and pressure generated by your WRX STI's turbocharger. Technical Specs This oil cooler kit includes a single oil cooler unit constructed from metal. Identified by the original Subaru part number 21311-AA120, and also by the manufacturer part number 21311AA120. Interchange part numbers include 21311 AA120. The cooler is a direct replacement for the factory unit found in the 2008-2019 Subaru WRX STI. The design focuses on efficiently dissipating heat from the engine's oil, reducing the risk of oil breakdown and extending the lifespan of critical engine components. Maintaining optimal oil temperatures is paramount for the longevity and performance of your WRX STI's EJ257 engine. This oil cooler is a crucial upgrade for enthusiasts seeking to enhance their WRX STI's cooling capacity and overall reliability.
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Vehicle Fitment
- 2008 Subaru WRX STI
- 2009 Subaru WRX STI
- 2010 Subaru WRX STI
- 2011 Subaru WRX STI
- 2012 Subaru WRX STI
- 2013 Subaru WRX STI
- 2014 Subaru WRX STI
- 2015 Subaru WRX STI
- 2016 Subaru WRX STI
- 2017 Subaru WRX STI
- 2018 Subaru WRX STI
- 2019 Subaru WRX STI
- 2020 Subaru WRX STI
- 2021 Subaru WRX STI