For The phrase with these outsized great importance in automobile culture, "JDM" is an acronym for a reasonably boring phrase: Japanese Domestic Sector. It refers to objects built and supposed for sale and use in just Japan (i.e., not for export). This contains every thing from vehicles such as Autozam https://elevemotors.com/product/used-engine-assembly-fits-2016-chevrolet-malibu-1-8l-vin-u-8th-digit-o-ebay/