31237AA100 CVT Transmission Oil Cooler for Subaru Forester 2014-2024, Outback Legacy 2015-2024, Impreza 2012-2023, Crosstrek 2016-2023, Ascent 2019-2024, WRX 2015-2021, Replace 31237-AA100

31237AA100 Automatic Transmission Oil Cooler - Engineered for Subaru CVT ReliabilityIs your Subaru experiencing transmission lag or overheating? Our 31237AA100 Oil Cooler is the high-performance, cost-effective replacement you need to keep your CVT running cool and smooth.■ COMPLETE VEHICLE COMPATIBILITY:Subaru Forester: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023Subaru Outback: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024Subaru Legacy: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024Subaru Impreza: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023Subaru Crosstrek / XV: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023Subaru Ascent: 2019, 2020, 2021, 2022, 2023, 2024Subaru WRX / Levorg: 2015, 2016, 2017, 2018, 2019, 2020, 2021■ KEY FEATURES:Exact OE Replacement: Replaces part numbers 31237AA100 and 31237-AA100.Prevent Overheating: Critical for maintaining the correct viscosity of your CVT fluid (TR580/TR690).All-Aluminum Construction: Rugged, corrosion-resistant design that exceeds aftermarket standards.Direct Bolt-On: No modifications required; matches factory mounting points perfectly.Note: We recommend checking the Amazon Garage fitment tool and confirming your VIN to ensure this part is correct for your specific engine (2.0L, 2.4L Turbo, or 2.5L).

• [Precision Fitment] Direct replacement for OE # 31237AA100. Compatible with Subaru Forester (2014-2024), Outback/Legacy (2015-2024), Impreza (2012-2023), Crosstrek (2016-2023), Ascent (2019-2024), and WRX (2015-2021).
• [Superior CVT Protection] Specifically designed for Subaru Lineartronic CVT (TR580/TR690). Maintains optimal fluid temperature to prevent transmission shuddering, slipping, and "limp mode" during heavy towing or mountain driving.
• [OEM Quality & Design] Features an optimized stacked-plate aluminum structure for maximum heat dissipation. 100% pressure-tested to ensure zero leakage and long-term durability under extreme conditions.
• [Heavy-Duty Performance] Ideal for Subaru owners who use their vehicles for towing or off-road adventures. Helps extend the lifespan of your CVT by preventing fluid oxidation and internal component wear.
• [12-Month Warranty] Buy with confidence. Every unit is strictly inspected before shipping. We offer a 1-year hassle-free warranty and responsive technical support for all Subaru DIY repairs.