福特发动机点火线圈4M5G12029ZB，原厂标准替换件0221503485/30731419/1459278

This replacement matches OEM standards in material and process, using high-density epoxy resin encapsulation and pure copper windings; durable under high temperature and vibration; longevity not inferior to OEM. OEM 4M5G12029ZB; compatible with original numbers 0221503485, 30731419, and 1459278; fits Ford Focus, Fiesta and other 1.6L or 1.8L four-cylinder engines. Function: convert low voltage to high-voltage pulses to drive spark plugs; ensure stable combustion without idle jitter or acceleration stumbles. Installation difficulty medium; remove ignition coil mounting bolts and plugs; clean oil and carbon buildup around the old part to avoid damaging spark plug threads.