PKH16TT 4505 Spark Plug fits Toyota Prius/Audi/Mercedes-Benz/Mitsubishi/Subaru/Honda

PKH16TT 4505 Iridium spark plug installed in the cylinder head bore; generates high-voltage sparks at the end of compression to ignite the mixture; key component of normal engine operation. OEM PKH16TT 4505; fits Toyota Prius, Audi, Mercedes, Mitsubishi, Subaru, Honda and other models after 2000. Installation difficulty: medium; time 1–2 hours depending on model. If idle jitter, weak acceleration, higher fuel consumption or starting difficulty occur, replace to restore ignition performance.