Suzuki Alto Beidou Star 1678 KR6A-10 Nickel Alloy Spark Plug Economical and Durable

Suzuki Alto and Beidou Xing dedicated spark plug 1678 KR6A-10 uses nickel alloy; OEM number 1678; compatible with AT automatic transmission systems. Installed on engine cylinder head; ignites the air-fuel mixture to drive pistons; directly affects power and economy. Replacement difficulty relatively low; estimated labor 30–60 minutes; suitable for DIY. If rough idle or cold-start difficulty, electrode wear indicates replace to restore ignition efficiency.