Hour meter for Lawnaire® IV Aerators attaches to the spark plug wire. The display reads to tenths of an hour for the amount of time that the engine is running. The wire from the hour meter is wrapped around the spark plug wire four (4) turns and secured with cable ties.
Due to engineering standards, some parts are updated or changed and are assigned a new part number. Previous part numbers were C100443, 4163407 and 4163411. This part is the direct replacement.
WARNING: This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov