Water Pipe Thermostat and Gasket ( This is in the water pipe NOT by water pump) Engine Coolant Thermostat is a direct fit for the following: 2021-2024 Crosstrek 2.5 (models only) 2019-2025 Forester 2024 Impreza 2.5 2020-2025 Legacy 2.5 non turbo 2020-2025 Outbcak 2.5 non turbo 2022-2024 Wrx CVT models Genuine Subaru Part Number: 21210AA191