Spark plug · Bosch
Equivalents for the Bosch spark plug WR 9 EC0
Meet the Bosch WR 9 EC0 spark plug. Find its 24 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Buy this spark plug Bosch WR 9 EC0 — 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 9 EC0 spark plug?
The Bosch WR 9 EC0 is interchangeable with: NGK BR4-LM, Champion RJ17LM, Denso W14LMR-US, Champion QJ17LM, Beru 14 SR-9 E0, Beru Z 269. 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.