This NGK 6535 Standard Spark Plug replaces Champion Spark Plug 808, Champion Spark Plug Z9Y, DENSO Auto Parts 6050, DENSO Auto Parts U16FS-UB, DENSO Auto Parts U16FSRUB, Autolite 4194, Generac 0H8096, Honda 98056-55777, John Deere TY26711, Robin 065-01408-60, OEM parts and is perfect for replacement or a performance upgrade