Used Engines are warrantied as a long block only. Warranty covers internal long block parts only. External parts are left on for convience. Parts must be switched as neccesary. Use of original wiring and sensors is required. Oil and coolant leaks are not covered. Install new seals as gaskets. Must change waterpump and timing belt. Use of OE approved Fluids and Lubricants are required.. Engine must be installed by a licenced Facility and an ASE certified or an OEM certified Technician. Engine must be installed according to manufacturer procedures. Failure to comply with any of these conditions will void the warranty.