Toyota Sienta NHP170 Iridium Platinum Spark Plug FK16BR-AL8 90919-01284

Iridium-platinum spark plug FK16BR-AL8 (OEM 90919-01284) for Toyota Sienta NHP170 engines, installed in the engine cylinder head to ignite the air-fuel mixture, ensuring smooth engine operation and efficient combustion. Compatible with Toyota Sienta models from 2000 onwards. Installation difficulty medium; approximately 1 hour; torque with wrench to standard spec. If idle jitter, weak acceleration, higher fuel consumption, or startup difficulty occur, replace spark plug electrodes due to wear or heavy carbon buildup to restore power and economy.