The Fel‑Pro coolant thermostat gasket is built for the sealing repair environment and validated to meet or exceed original equipment specifications. Engineered for application‑specific fit and reliability, this thermostat gasket is listed for Ford applications covering 2011–2021 F‑150 and 2011–2017 Mustang models, providing a precise seal where proper coolant control is critical.
Fel-Pro 11-21 Ford F-150/11-17 Mustang Engine Coolant Thermostat Gasket