The Bosch Y5DDC is a multi-ground spark plug designed for optimal ignition performance and durability, often used in European vehicles. Its copper core and yttrium-enhanced electrode contribute to a longer service life compared to standard copper plugs. It features anti-seize plating and protection against flashover.
A workhorse for our production environment.
No issues during the 48-hour burn-in test.
Thermal performance is excellent even under sustained load.