萨博9-3/9000 点火线圈 0421A695902 原厂标准多OE替代

Saab 9-3/9000 ignition coil (OEM 0421A695902), compatible with multiple factory replacement parts such as 55561132, 1788485, UF422, designed for 4-cylinder engines. Mounted directly above the cylinder head to connect to spark plug, ensuring precise ignition for each cylinder. Replacement difficulty medium; estimated labor about 1 hour; be careful to avoid damaging high-voltage wiring when removing. Symptoms include acceleration jitter, rough idle, hard starting or engine fault light.