Bosch Spark Plug W7BC

Bosch yttrium spark plugs are already being used successfully in original equipment and racing sports. Many branded motor vehicle manufacturers already believe in the extreme durability of these spark plugs, and prestigious brands already install Bosch Super Plus spark plugs in primary production, such as Audi, Fiat, Mercedes-Benz, Opel, Peugeot or VW.

 

The electrode has a copper core and a surface covered with Ytrium metal, which provides excellent properties:

• Excellent corrosion protection

• Excellent ignition safety

• Long service life

• Exceptional resistance of spark plugs to wear and high temperatures

• Higher ignition reliability and thus also optimal combustion of the fuel-air mixture, which contributes to increased catalyst protection

 

• Wrench size: 20.8 mm

• Internal thread: 14 mm