Toyota Ignition Coil 19070BZ031 Replacement Ignition Coil 19070B1020 Universal

Toyota four-cylinder original ignition coil number 19070BZ031; replacements include 19070B1020, 19070BZ060 and UF772. Mounted on the cylinder head above the combustion chamber, directly connected to the spark plug; converts low voltage to high voltage to ignite the air-fuel mixture. Replacement difficulty medium; labor about 0.5-1 hour; ensure high-tension wiring is firmly connected. If the vehicle experiences acceleration hesitation, rough idle, hard starts, or check engine light, the ignition coil likely needs replacement.