HiKOKI 6699322 CJ6 Spark Plug Ass'Y for compatible regional variants of Hitachi and HiKOKI petrol-powered garden tools. This replacement spark plug provides the ignition spark required for combustion and is suitable for replacing a worn, fouled or faulty original plug. Manufactured to the correct specifications for reliable starting and engine performance. Part 6699322 replaces the previous part number 6685052.