The Toyota Genuine 90919-01164 (K16R-U11) is a nickel alloy spark plug manufactured by Denso to meet original equipment standards for various Toyota engines.. 9091901164,MS851727,BKR5EKB11,MS851357,BKR5E,BKR5EYA, BKR5EY11,7938,BKR6E11,4194,6953,2756,2526,BKR5ES11,K16RU11, K16PRU,K16PRU11,0242229798770,MD344180,MS851727,K16TR11,K16RU,2382