This 4 pc NGK 3722 Standard Spark Plug kit replaces Bosch 241229612, Bosch 4014, Bosch 4214, Bosch 7502, Bosch 7902, Bosch W8AO, Bosch W8AP, Bosch W9ACO, Bosch WR8AC, Bosch WR8AP, Bosch WR9A0, Bosch WR9AO, Champion Spark Plug 5933, Champion Spark Plug L90C, Champion Spark Plug RL90, DENSO Auto Parts 3033, DENSO Auto Parts 3037, DENSO Auto Parts W16FSR, DENSO Auto Parts W16PR-U, Motorcraft AER4, Motorcraft AER4X, Autolite 3485, Autolite 3486, Autolite 425, Autolite 426, ACDelco 1844012T, ACDelco R44CF, ACDelco R44F, ACDelco S44F, Magneti Marelli CW5NR, Suzuki 09482-00143, Honda 98076-55716, Yamaha 90793-20131, Yamaha 94702-00249, OEM parts and is perfect for replacement or a performance upgrade.