X4 denso iridium spark plugs for Japanese cars such as honda mitsubishi Subaru Toyota and lexus OE number honda : 12290-RBJ-003 12290-RW0 -003 HYUNDAI: 18845-08200 MITSUBISHI 18122-A071 1822A151 SUBARU: 22401-AA700 TOYOTA: 90919-01247 9091901248 SIZE diameter : 14mm spanner size: 16 would recommend checking on to make sure it fits
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