Engine Coolant Thermostat Gasket. OE Engine Coolant Thermostat Gasket. Thermostat Gasket. 1997 Acura CL Engine: 2.2L L4;. 1998 Acura CL Engine: 2.3L L4;. 1999 Acura CL Engine: 2.3L L4;. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
