WenmarOpen by Wenmar Pro

Grumman Olson models, 1985

Other years

Grumman Olson VIN decoder

17 characters, from the driver's door jamb, the dash at the windshield, or the ownership. Spaces and dashes are fine.

Manufacturer codes

Grumman Olson vehicles are built under these codes. What the first three characters of a VIN mean.