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This engine computer unit is a direct replacement for your 2003-2004 Mazda 6 with a 2.3L automatic transmission. It is compatible with manufacturer part numbers L39318881B, L393-18-881B, L3YW18881B, and L3YW-18-881B. This ECU has a maximum amperage of 6A and does not include keys. It is an ideal part to replace your faulty ECM PCM and restore your car's functionality.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.