Korean Renault Samsung Ignition Coil 17210-12900 OEM Replacement Coil Assembly

Hyundai/Kia Renault-Samsung SM3, SM5 four-cylinder ignition coils, OEM 17210-12900, also compatible with 17210-14900; OEM replacement parts with high-grade insulating resin and copper winding; durability tested on bench; stable performance matches OEM; reduces risk of early breakdown or aging. Converts low voltage to high voltage to ignite the mixture; ensures smooth idle and responsive acceleration. Replacement difficulty: medium; disconnect battery negative first and replace coil.