General description New high-quality aftermarket ignition coil designed for EX13, EX17, and EX21 engines. Made from advanced materials, this ignition coil is crafted to meet specifications, ensuring accurate sizing for a perfect replacement of old products. It offers strong performance, durability, and a long service life. Technical specifications Model Number: Ignition Coil Replaceable part numbers: 20A-79431-01, 277-79431-01, 277-79431-11, 2777943101, 2777943111, 20A7943101 Applicable models: EX13, EX17, EX21 Color: Black Material: ABS + Metal Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 x Car Ignition Coil Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.