DENSO Spark Plug 90919-01275 3499 SC16HR11, original standard durable ignition.

DENSO/ EDI ignition plug 90919-01275 3499 SC16HR11 uses iridium electrode; high durability and stable ignition performance; critical ignition component. Installed in the threaded hole of the engine cylinder head to produce high-voltage sparks at the end of compression to ignite the mixture. Compatible with Toyota, Lexus from 2000 onwards; installation difficulty: medium; typical work time 0.5-1 hour depending on engine layout. If idle jitter or acceleration weakness appear, this spark plug is a good replacement solution.