Hitachi Automotive Systems, LTD Japan, is a global manufacturer and supplier of OE automotive products including; engine management systems, electric power train systems, drive control and information systems. The original igniter that was installed at the factory is no longer available. When installing one of the replacement igniters, either heat #30121-PT2-006 (Accord & Prelude models) or #30121-PM5-A02 (Civic and Integra models) may also be required for proper installation but is not included with the igniter. Order the appropriate heat sink separately as needed. If installing a Hitachi igniter, note that 5mm longer retaining screws may also be required (not included) . Most Ignition Coil Components products are available for in-store pickup from Advance Auto Parts.