Honda GENUINE OEM HRX217 (HRX2173HYA) (HRX2173HZA) (HRX2173VKA) Walk-Behind Lawn Mower Engines SPARK PLUG PLEASE VERIFY THE CORRECT PARTS FOR YOUR ENGINE/EQUIPMENT BEFORE SUBMITTING YOUR ORDER - IF YOUR ENGINE IS NOT LISTED IN THE DESCRIPTION, PLEASE CONTACT SELLER AND DO NOT ASSUME THAT IT WILL FIT FOR PARTS LOOK UP, PLEASE PROVIDE SELLER WITH THE FOLLOWING INFOS: ENGINE/EQUIPMENT'S MODEL, CODE TYPE AND SERIAL/FRAME NUMBER GENUINE OEM Honda HRX2173HYA HRX2173HZA HRX2173VKA Spark Plug FAST & FREE SHIPPING!!! ***** USE FROM FRAME SERIAL # MAGA-2020001 to MAGA-21999999 *****