## Denso Spark Plug W20ESR-U (BR6ES) - Reliability and Performance Denso, a renowned manufacturer of automotive and motorcycle parts, presents the W20ESR-U (BR6ES) spark plug, guaranteeing optimal engine performance and low fuel consumption. Designed to provide the highest efficiency, this spark plug is the perfect choice for demanding motorcyclists. ### Advanced Technology for Your Motorcycle The W20ESR-U (BR6ES) spark plug utilizes a nickel-lithium center electrode, which translates to extended service life and efficient combustion. This advanced material ensures reliable sparking in all conditions, contributing to smooth engine operation and reduced emissions. ### Precise Parameters and Compatibility - **Denso Code:** W20ESR-U - **NGK Code:** BR5ES - **Thread Diameter:** 14mm - **Thread Length:** 19mm - **Wrench Size:** 21mm Thanks to precisely defined parameters, the Denso W20ESR-U (BR6ES) spark plug is easy to install and perfectly fits many motorcycle models. Check compatibility with your vehicle to enjoy its full potential. ### Choose Denso Quality By choosing the Denso W20ESR-U (BR6ES) spark plug, you are investing in reliability and performance. Denso is a brand trusted by professionals, guaranteeing the highest quality and long life of its products. Give your motorcycle the best and enjoy trouble-free riding.