Fel-Pro 18-23 Ford F-150/15-21 Mustang Engine Coolant Thermostat Gasket

Fel-Pro(R) gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
FEL-PRO 35991 Engine Coolant Thermostat Gasket for Ford F-150