Denso Iridium Plug Number SC20HR11 Spark Plug 3444 | O'Reilly Auto Par
Denso Iridium Long Life SC20HR11 Spark Plug | 3444 9091901253 W01331832753
2015 prius (3rd gen) 119,746 miles spark plug question. I changed from Denso sc20hr11 to Toyotas new recommended sc16hr11. When I pulled them there was oil on the threads and when I
4PCS DENSO SC20HR11 3444 Spark Plugs Fit For Toyota Lexus 90919-01253 | eBay