Try Numrich gun parts corp.They may be found on the web.
120
Blue Book of Gun Values
Your Winchester model 37a was a reintroduction of the model 37 which occured between 1973-1981.That is when your model 37a was made.
i cant find no date
Serial # C861323
The 37A was manufactured from the mid 1960's to the late 1970's.
A 20 guage WInchester 37A youth model will go for between $100-150 USD depending on condition.
50-300 USD depending on specifics
$125.00 to $200.00 in good working condition.
can you tell the age of a model 37a 20 gage Winchester by looking at the serial number
there are several listed at gunbroker.com
lane61764@yahoo.com...It depends on the condition. If its in 95% $750-1000 They are rare Take care George