Honda Lawn Mower Drive Pinion Gear Genuine Original Equipment Manufacturer (OEM) Part - 42661-VE2-800.
GEAR, PINION (12T).
Fits the following Models: HRB215, HRB215K1, HRB215K2, HRB215K3, HRB215K4, HRB216, HRB217, HRM215, HRM215K1, HRM215K2, HRM215K3, HRM215K4, HRR216, HRR216K10, HRR216K11, HRR216K2, HRR216K3, HRR216K4, HRR216K5, HRR216K6, HRR216K7, HRR216K8, HRR216K9, HRS216, HRS216K1, HRS216K2, HRS216K3, HRS216K4, HRS216K5, HRS216K6, HRS216K7, HRT216, HRT216K1, HRT216K2, HRZ216.
This is a OEM Honda part. Thanks for looking!