Genuine Honda 12290-RB0-J11 Spark Plug (Difr6D13) (Ngk) Genuine Oem:Yes, Category 2:Electrical, Fitment Footnotes:Diag Ref #2, Part Ref# On Diagram:ONLY PART REFERENCE #2 ON THE DIAGRAM IS Brand:Honda, Fitment Type:Direct Replacement, Vendorngk:Vendorngk, Quantity Needed:4 Manufacturer Part Number:12290RB0J11, Category 3:Ignition System, Item Name:Spark Plug, Category 1:Electrical