I know AVB, it would initially appear that is a serial number
For Roels information, there are hundreds if not thousands of motors with that identical number. it will be something of the nature of "91 08 09 58"
As they make hundreds of motors a day, therefore all have same number
Meaning made 9/8/1991 in plant 58, which may be Wauwatosa Wisconsin. If parts are looked up in briggs online catalogue, there are often clauses of use x "before 5/6/1990" or use y if made after 6/6/1990.
Therefore these numbers are crucial
