The Truth About 10 Popular Spark Plug Brands

9.Bosch – A Legacy of Innovation

Founded in 1886, Bosch has evolved from a small workshop to a global leader in automotive parts. Their spark plugs are renowned for superior performance and durability. With options like double iridium and EVO plugs designed for turbocharged engines, Bosch consistently delivers high-quality replacements that outlast and outperform standard OEM plugs. Backed by decades of expertise and glowing reviews, Bosch remains a trusted choice for automotive enthusiasts worldwide.