1980 Checker Marathon Engine: 5.7L V8;. 1981 Checker Marathon Engine: 5.7L V8;. 1982 Checker Marathon Engine: 5.7L V8;. Part Type: Engine Coolant Outlet Gasket. Eng Coolant Gasket. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
