Details: Spark Plug Iridium - Toyota | Subaru | OEM 90919-01263 / FK20HBR11 A spark plug is a small but critical engine part that acts like a lighter for your car. It delivers an electric spark that ignites the fuel-air mixture inside the engine's cylinders, creating the explosion that pushes the pistons and makes your car move. This specific type is an iridium spark plug, which uses a very hard precious metal to help it last longer and perform better than standard plugs. Where it is located Spark plugs are located at the top of the engine cylinder head. Under the hood: If you open your car's hood, you usually won't see them directly. They are often tucked away under plastic covers or thick ignition coils. In the engine: One end (the threaded part shown in your image) is screwed into the engine, while the other white ceramic end connects to the car's electrical system Condition: New Compatible with: Toyota Lexus Honda Suzuki Subaru Nissan Mitsubishi Engines: 1GR, 1NZ, 2GR, 3GR, 4GR, 2TR, 1TR, 2AR, 1UR, 2NR, 7GR, EL154, EJ204, EJ25, EZ30, EZ36, J24B, M16A, SR20, 4G69, 4A91, LDA Brand: Toyota Japan