Ford Ignition Coil Rubber Boot Repair Kit 3W7Z12029AA / DG508 8W7E12A366AA

Ford ignition coil boot repair kit (OEM: 3W7Z12029AA/DG508/8W7E12A366AA) installed between the ignition coil and spark plug to seal high voltage and prevent moisture intrusion, ensuring stable ignition energy transfer. Fits Ford four-cylinder engines; relatively easy to install; recommended 30 minutes to 1 hour; suitable for DIY enthusiasts. If idle jitter, weak acceleration, or trouble light on, boot aging is indicated; replacement restores performance.