Premium Ignition Coil for GM Vehicles
High-performance spark plug ignition coil designed for GM models, compatible with D539, D540, D546, D555, D576, and OE number 1103608. Precision-engineered with durable copper core and high-grade epoxy insulation for superior heat resistance and electrical conductivity. Direct OEM replacement ensures seamless fit and reliable ignition performance, reducing misfires and improving fuel efficiency. Ideal for GM trucks, SUVs, and sedans requiring stable voltage output. Batch-tested for quality compliance, backed by wholesale pricing for bulk orders. Global shipping with competitive bulk discounts available.