Toyota Terios Ignition Coil 90048-52130 Engine Spark Plug Power Supply

Toyota small-displacement ignition coil available as 1.3L and 1.5L four-cylinder engines. OEM number 90048-52130; uses high-purity copper winding and high-temperature epoxy resin encapsulation; tested on benches to endure long-term high-load ignition. Function is to boost low-voltage to high-voltage for spark plug spark; if misfire or rough running occurs, coil aging is usually the cause. Installation difficulty is medium; requires removing engine cover and wiring harness; use a socket to remove mounting bolts; recommend cold-start operation.