Spark plug · Bosch
Equivalents for the Bosch spark plug WR 6 AC
Meet the Bosch WR 6 AC spark plug. Compare its 58 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Buy this spark plug Bosch WR 6 AC — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
What can replace a Bosch WR 6 AC spark plug?
The Bosch WR 6 AC is interchangeable with: NGK BR7HS, Bosch WR 5 AC, Champion RL78C, NGK BR8HS, Champion QL78C, Denso W22FSR. These spark plugs share the same mounting (thread, seat) and heat range.
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.